Charge Pump Charge Pump Regulators
Reviewed by: Jon Lowy, consulting engineer
Description
Charge pump regulators are circuits designed to generate higher voltages from low-voltage inputs by utilizing capacitors as storage elements. They are capable of doubling, inverting, or generating arbitrary voltages depending on the controller and circuit topology used. These regulators are essential in providing efficient voltage conversion without the need for inductors, making them suitable for compact and portable applications.
Working Principle
Charge pump regulators operate by transferring charge between capacitors to achieve the desired voltage conversion. They typically involve two phases: charging and discharging. During the charging phase, capacitors are charged to the input voltage. In the discharging phase, the stored charge is transferred to the output, effectively boosting the voltage. This method allows for high efficiency, often reaching 90 to 95%, and eliminates the need for inductors, which are typically bulkier and more expensive components. The simplicity and efficiency of charge pump regulators make them particularly useful in applications where space and cost are critical considerations.
Applications
Charge pump regulators find applications in a variety of fields. They are used in notebook computers and mobile phones to manage power efficiently. Specific examples include their use in RS232 level shifters and EPROM circuits. They are also employed in frequency synthesis through charge pump phase-locked loops (CPPLLs). Additionally, charge pump regulators are used in data-acquisition, communications, instrumentation, signal processing, and power management applications. In portable devices, inductor-less converters optimize battery life, while inductor-less regulators provide constant-current backlight in white LED applications.
Advantages over other Charge Pump Regulators
Charge pump regulators offer several advantages over other types of voltage converters. Unlike inductor-based converters, charge pumps do not require inductors, which reduces the overall size and cost of the circuit. They also provide high efficiency, often between 90 to 95%, which is comparable to other high-efficiency converters. The absence of inductors also means that charge pumps can be more easily integrated into compact and portable devices, where space is at a premium.
Limitations
Despite their advantages, charge pump regulators have limitations. They are generally not suitable for applications requiring high output currents, as the efficiency and performance can degrade significantly under such conditions. Additionally, the output voltage of a charge pump can be sensitive to variations in input voltage and load current, which may necessitate additional regulation or stabilization measures in some applications.
Considerations
When selecting charge pump regulators, several factors should be considered. Initial costs can be lower due to the absence of inductors, but this must be weighed against the specific performance requirements of the application. Operating expenses are generally low due to high efficiency, but durability and accuracy can vary depending on the design and quality of the components used. Replacement and maintenance costs are typically minimal, as charge pumps have fewer components that can fail compared to inductor-based converters. However, careful consideration of the input voltage range, output specifications, efficiency, and operating temperature is essential to ensure optimal performance and longevity.
from Win Source Electronics
Manufacturer: Taiyo Yuden. Win Source Part Number: 746801-LMK316BJ475KL. Manufacturer Homepage: www.t-yuden.com. Reference case: SMD. Reference Date Code: 12+. Popularity: Medium. Fake Threat In the Open Market: 95 pct. Supply and Demand Status: Balance [See More]
- Configuration / Function: Charge Pump
from DigiKey
Charge Pump Switching Regulator IC Negative Fixed -Vin 1 Output 6-SMD (5 Leads), Flat Lead [See More]
- Configuration / Function: Charge Pump
- VIN: 2 to 3
- Package Type: Other; 6-SMD (5 Leads), Flat Leads
- fsw: 125
from Texas Instruments
Switched Capacitor Voltage Converter 8-SOIC -40 to 85 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 1.5 to 5.5
- Package Type: Other; SOIC,VSSOP
- IOUT: 0.1000
from Win Source Electronics
Manufacturer: Texas Instruments. Win Source Part Number: 1198005-LM27761DSGR. Packaging: Reel. Mounting Style: SMD. Output Type: Adjustable. Function: Step-Up/Step-Down. Topology: Charge Pump. Output Configuration: Negative. Output Current: 250mA. Categories: Integrated Circuits. Supplier Device... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- Output Voltage: 5
- Package Type: Other; 8-WFDFN Exposed Pad
- IOUT: 0.2500
from DigiKey
"Charge Pump Switching Regulator IC Positive or Negative Fixed -Vin, 2Vin 1 Output 200mA 8-SOIC (0.154"", 3.90mm Width)" [See More]
- Configuration / Function: Charge Pump
- VIN: 1.5 to 5.3
- Package Type: SOIC; Other; "8-SOIC (0.154"", 3.90mm Width)"
- Output Voltage: 2
from Texas Instruments
Switched Capacitor Voltage Converter 8-SOIC -40 to 85 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 1.5 to 5.5
- Package Type: Other; SOIC
- IOUT: 0.2000
from Win Source Electronics
Manufacturer: Texas Instruments. Win Source Part Number: 1198013-LM2791LD-L. Packaging: Reel. Type: DC DC Regulator. Mounting Style: SMD. Applications: Backlight. Frequency: 650kHz. Current - Output / Channel: 36mA. Topology: Switched Capacitor (Charge Pump). Number of Outputs: 2. Dimming: Analog. [See More]
- Configuration / Function: Charge Pump; Switched Capacitor (Charge Pump)
- Life Cycle Stage: PhaseOut; Obsolete
- Package Type: Other; 10-WFDFN Exposed Pad
- Operating Temperature: -30 to 85
from DigiKey
"Charge Pump Switching Regulator IC Positive or Negative Fixed -Vin, 2Vin 1 Output 200mA 8-TSSOP, 8-MSOP (0.118"", 3.00mm Width)" [See More]
- Configuration / Function: Charge Pump
- VIN: 1.5 to 5.3
- Package Type: Other; "8-TSSOP, 8-MSOP (0.118"", 3.00mm Width)"
- Output Voltage: 2
from Texas Instruments
Switched Capacitor Voltage Converter 8-SOIC -40 to 85 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 1.5 to 5.5
- Package Type: Other; SOIC
- IOUT: 0.2000
from Win Source Electronics
Manufacturer: Texas Instruments. Win Source Part Number: 1198018-LM2794TLX. Packaging: Tape and Reel. Type: DC DC Regulator. Mounting Style: SMD. Applications: Backlight. Voltage - Output: 3.8V. Frequency: 515kHz. Current - Output / Channel: 20mA. Internal Switch(s): Yes. Topology: Switched... [See More]
- Configuration / Function: Charge Pump; Switched Capacitor (Charge Pump)
- Life Cycle Stage: PhaseOut; Obsolete
- Package Type: Other; 14-WFBGA
- Operating Temperature: -30 to 85
from DigiKey
IC REG CHRG PUMP INV 10MA 8SOIC [See More]
- Configuration / Function: Charge Pump
- VIN: 2.4 to 5.5
- Package Type: SOIC; Other; "8-SOIC (0.154"", 3.90mm Width)"
- Output Voltage: -2
from Texas Instruments
Switched Capacitor Voltage Converter 6-SOT-23 -40 to 85 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 1.8 to 5.8
- Package Type: Other; SOT-23
- IOUT: 0.0400
from Win Source Electronics
Manufacturer: Texas Instruments. Win Source Part Number: 1272720-TPS60400DBV. Manufacturer Homepage: www.ti.com. Popularity: Medium. Fake Threat In the Open Market: 52 pct. Supply and Demand Status: Limited. Application Field: Used in RF Communications, Sensing & Instrumentation, Portable... [See More]
- Configuration / Function: Charge Pump
from DigiKey
Charge Pump Switching Regulator IC Positive Fixed 5V 1 Output 110mA SOT-23-6 Thin, TSOT-23-6 [See More]
- Configuration / Function: Charge Pump
- VIN: 2.8 to 5
- Package Type: SOT23; Other; SOT-23-6 Thin, TSOT-23-6
- Output Voltage: 5
from Texas Instruments
Switched Capacitor Voltage Converter 6-SOT-23 -40 to 85 [See More]
- Configuration / Function: Boost; Charge Pump
- VIN: 2.5 to 5.8
- Package Type: Other; SOT-23
- Output Voltage: ? to 11
from Win Source Electronics
Manufacturer: Texas Instruments. Win Source Part Number: 1272721-TPS60401QDBVRQ1. Packaging: Reel. Mounting Style: SMD. Output Type: Fixed. Function: Ratiometric. Topology: Charge Pump. Output Configuration: Positive or Negative. Output Current: 60mA. Categories: Integrated Circuits. Supplier Device... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- IOUT: 0.0600
- Package Type: SOT23; Other; SC-74A, SOT-753
- fsw: 20
from DigiKey
Charge Pump Switching Regulator IC Positive Fixed 5V 1 Output 110mA 6-WFDFN Exposed Pad [See More]
- Configuration / Function: Charge Pump
- VIN: 2.8 to 5
- Package Type: Other; 6-WFDFN Exposed Pad
- Output Voltage: 5
from Texas Instruments
Switched Capacitor Voltage Converter 6-SOT-23 -40 to 85 [See More]
- Configuration / Function: Boost; Charge Pump
- VIN: 2.5 to 5.5
- Package Type: Other; SOT-23
- Output Voltage: ? to 11
from Win Source Electronics
Manufacturer: Catalyst Semiconductor. Win Source Part Number: 1159031-CAT3200ES6-5-TE13. Manufacturer Homepage: www.catalyst-semiconductor.com. Popularity: Medium. Fake Threat In the Open Market: 64 pct. Supply and Demand Status: Balance [See More]
- Configuration / Function: Charge Pump
from DigiKey
Buck, Boost, Charge Pump, Flyback Switching Regulator IC Negative Adjustable -2.5V 1 Output 170mA (Switch) SOT-23-6 Thin, TSOT-23-6 [See More]
- Configuration / Function: Buck; Boost; Charge Pump; Flyback
- VIN: 2.5 to 16
- Package Type: SOT23; Other; SOT-23-6 Thin, TSOT-23-6
- Output Voltage: -38 to -2.5
from Texas Instruments
Switched Capacitor Voltage Doubling Inverter 8-VSSOP -40 to 85 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 2 to 5.5
- Package Type: Other; VSSOP
- IOUT: 0.0100
from Win Source Electronics
Manufacturer: Catalyst Semiconductor. Win Source Part Number: 1159032-CAT3200ES6-5-TE7. Manufacturer Homepage: www.catalyst-semiconductor.com. Popularity: Medium. Fake Threat In the Open Market: 39 pct. Supply and Demand Status: Balance [See More]
- Configuration / Function: Charge Pump
from DigiKey
"Boost, Charge Pump, Cuk, Flyback, SEPIC Switching Regulator IC Positive or Negative Adjustable 1.215V 1 Output 6A (Switch) 20-TSSOP (0.173"", 4.40mm Width) Exposed Pad" [See More]
- Configuration / Function: Boost; Cuk; Charge Pump; Flyback
- VIN: 2.5 to 16
- Package Type: Other; "20-TSSOP (0.173"", 4.40mm Width) Exposed Pad"
- Output Voltage: 1.22 to 42
from Texas Instruments
Low Noise Regulator Switched Capacitor Boost Regulator 10-WSON -40 to 85 [See More]
- Configuration / Function: Boost; Charge Pump
- VIN: 2.7 to 5.6
- Package Type: Other; WSON
- Output Voltage: 5
from Win Source Electronics
Manufacturer: SG Micro Corp. Win Source Part Number: 320211-SGM3110-5.0YN6. Popularity: Medium. Fake Threat In the Open Market: 51 pct. Supply and Demand Status: Limited [See More]
- Configuration / Function: Charge Pump
from DigiKey
"Boost, Charge Pump, Cuk, Flyback, SEPIC Switching Regulator IC Positive or Negative Adjustable 1.215V 1 Output 3.3A (Switch) 16-TFSOP (0.118"", 3.00mm Width) Exposed Pad" [See More]
- Configuration / Function: Boost; Cuk; Charge Pump; Flyback
- VIN: 2.5 to 22
- Package Type: Other; "16-TFSOP (0.118"", 3.00mm Width) Exposed Pad"
- Output Voltage: 1.22 to 42
from Texas Instruments
Regulated 2X, 1.5X Switched Capacitor White LED Driver 10-WSON -40 to 85 [See More]
- Configuration / Function: Boost; Charge Pump
- VIN: 2.8 to 5.5
- Package Type: Other; WSON
- Output Voltage: 5
from Win Source Electronics
Win Source Part Number: 1069892-LM2798MM-2.0/NOPB. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR),Cut Tape (CT). Standard Package: 1,000. Mounting: SMD (SMT). Current - Output: 120mA. Output Type: Fixed. Function:... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 500
- Package Type: SSOP; Other; Tape & Reel (TR),Cut Tape (CT)
- Operating Temperature: -40 to 85
from DigiKey
Charge Pump Switching Regulator IC Positive Fixed 2.5V 1 Output 25mA 8-SMD, Flat Lead [See More]
- Configuration / Function: Charge Pump
- VIN: 1.6 to 5
- Package Type: Other; 8-SMD, Flat Leads
- Output Voltage: 2.5
from Texas Instruments
Switched Capacitor Voltage Converter 6-SOT-23 -40 to 85 [See More]
- Configuration / Function: Boost; Charge Pump
- VIN: 1.8 to 5.5
- Package Type: Other; SOT-23
- Output Voltage: ? to 11
from Win Source Electronics
Win Source Part Number: 1069904-LM2787TP/NOPB. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR). Standard Package: 250. Mounting: SMD (SMT). Current - Output: 10mA. Output Type: Adjustable. Function: Step-Down. Topology:... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 260
- Package Type: Other; Tape & Reel (TR)
- Operating Temperature: -40 to 85
from DigiKey
Charge Pump Switching Regulator IC Positive Fixed 3.9V 1 Output 25mA SOT-23-6 [See More]
- Configuration / Function: Charge Pump
- VIN: 1.6 to 5
- Package Type: SOT23; Other; SOT-23-6
- Output Voltage: 3.9
from Texas Instruments
Switched Capacitor Voltage Converter 6-SOT-23 -40 to 85 [See More]
- Configuration / Function: Boost; Charge Pump
- VIN: 1.8 to 5.5
- Package Type: Other; SOT-23
- Output Voltage: ? to 11
from Win Source Electronics
Win Source Part Number: 1078160-MCP1259T-E/UN. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel. Standard Package: 2,500. Mounting: SMD (SMT). Current - Output: 100mA. Output Type: Fixed. Function: Step-Up. Topology: Charge... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 650
- Package Type: Other; Tape & Reel
- Operating Temperature: -40 to 125
from DigiKey
IC REG CHARGE PUMP 20MA 8UMAX [See More]
- Configuration / Function: Charge Pump
- VIN: 1.5 to 10
- Package Type: Other; "8-TSSOP, 8-MSOP (0.118"", 3.00mm Width)"
- IOUT: 0.0200
from Texas Instruments
Switched Capacitor Voltage Converter 5-SOT-23 -40 to 85 [See More]
- Configuration / Function: Boost; Charge Pump
- VIN: 1.8 to 5.5
- Package Type: Other; SOT-23
- Output Voltage: ? to 11
from Win Source Electronics
Win Source Part Number: 1095516-SP682EU-L/TR. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Series: SP682. Package: Bulk. Standard Package: 1. Mounting: SMD (SMT). Output Type: Fixed. Function: Step-Up/Inverted. Topology: Charge Pump. Frequency -... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 12 to 20
- Package Type: Other; Bulk
- Operating Temperature: -40 to 85
from DigiKey
IC REG CHARGE PUMP 20MA 8SOIC [See More]
- Configuration / Function: Charge Pump
- VIN: 1.5 to 10
- Package Type: SOIC; Other; "8-SOIC (0.154"", 3.90mm Width)"
- IOUT: 0.0200
from Texas Instruments
High Efficiency Switched Capacitor Step-Down DC/DC Regulator with Sleep Mode 10-WSON -30 to 105 [See More]
- Configuration / Function: Buck; Charge Pump
- VIN: 2.7 to 5.5
- Package Type: Other; WSON
- Output Voltage: 1.2 to 1.5
from Win Source Electronics
Win Source Part Number: 1098110-TC1222ECHTR. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel. Standard Package: 3,000. Mounting: SMD (SMT). Current - Output: 25mA. Output Type: Fixed. Function: Ratiometric. Topology: Charge... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 750
- Package Type: SOT23; Other; Tape & Reel
- Operating Temperature: -40 to 85
from DigiKey
IC REG CHARGE PUMP 14SOIC [See More]
- Configuration / Function: Charge Pump
- VIN: 4.5 to 20
- Package Type: SOIC; Other; "14-SOIC (0.154"", 3.90mm Width)"
- fsw: 10
from Texas Instruments
Low-Ripple 250mA Switched Capacitor Step-Down DC/DC Converter 10-WSON -30 to 110 [See More]
- Configuration / Function: Buck; Charge Pump
- VIN: 2.7 to 5.5
- Package Type: Other; WSON
- Output Voltage: 1.5
from Win Source Electronics
Win Source Part Number: 1101029-TPS60200DGS. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tube. Standard Package: 80. Mounting: SMD (SMT). Current - Output: 100mA. Output Type: Fixed. Function: Step-Up. Topology: Charge Pump. Frequency -... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 300
- Package Type: SSOP; Other; Tube
- Operating Temperature: -40 to 125
from DigiKey
IC REG CHARGE PUMP ADJ 30MA SOT6 [See More]
- Configuration / Function: Charge Pump
- VIN: 1.4 to 5.5
- Package Type: SOT23; Other; SOT-23-6
- Output Voltage: -5.5 to -1.4
from Texas Instruments
Low-Ripple Switched Capacitor Step-Down Regulator 10-WSON -30 to 85 [See More]
- Configuration / Function: Buck; Charge Pump
- VIN: 2.7 to 5.5
- Package Type: Other; WSON
- Output Voltage: 1.2
from Win Source Electronics
Win Source Part Number: 1249766-ST619LBD. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tube. Standard Package: 2,000. Mounting: SMD (SMT). Current - Output: 30mA. Output Type: Fixed. Function: Step-Up. Topology: Charge Pump. Frequency -... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 500
- Package Type: SOIC; Other; Tube
- Operating Temperature: -40 to 85
from DigiKey
"Charge Pump Switching Regulator IC Positive or Negative Fixed -Vin, 2Vin 1 Output 20mA 8-SOIC (0.268"", 6.81mm Width)" [See More]
- Configuration / Function: Charge Pump
- VIN: 1.5 to 10
- Package Type: SOIC; Other; "8-SOIC (0.268"", 6.81mm Width)"
- Output Voltage: 2
from Texas Instruments
Low-Ripple 1.8V/1.6V Spread-Spectrum Switched Capacitor Step-Down Regulator 9-DSBGA [See More]
- Configuration / Function: Buck; Charge Pump
- VIN: 2.5 to 5.5
- Package Type: Other; DSBGA
- Output Voltage: 1.6 to 1.8
from Win Source Electronics
Win Source Part Number: 1249767-ST619LBN. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tube. Standard Package: 2,000. Current - Output: 30mA. Output Type: Fixed. Function: Step-Up. Topology: Charge Pump. Frequency - Switching: 500kHz. [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 500
- Package Type: DIP; Other; Tube
- Operating Temperature: -40 to 85
from DigiKey
"Charge Pump Switching Regulator IC Positive or Negative Fixed -Vin, 2Vin 1 Output 50mA 8-DIP (0.300"", 7.62mm)" [See More]
- Configuration / Function: Charge Pump
- VIN: 1.5 to 10
- Package Type: DIP; Other; "8-DIP (0.300"", 7.62mm)"
- Output Voltage: 2
from Texas Instruments
Low Noise Negative Bias Generator 8-VSSOP -40 to 125 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 3 to 5.25
- Package Type: Other; VSSOP
- Output Voltage: -0.2320
from Win Source Electronics
Win Source Part Number: 1249768-ST662ABN. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tube. Standard Package: 2,000. Current - Output: 30mA. Output Type: Fixed. Function: Step-Up. Topology: Charge Pump. Frequency - Switching: 400kHz. [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 400
- Package Type: DIP; Other; Tube
- Operating Temperature: -40 to 85
from DigiKey
"Charge Pump Switching Regulator IC Positive or Negative Fixed -Vin, 2Vin 1 Output 50mA 8-SOIC (0.209"", 5.30mm Width)" [See More]
- Configuration / Function: Charge Pump
- VIN: 1.5 to 10
- Package Type: SOIC; Other; "8-SOIC (0.209"", 5.30mm Width)"
- Output Voltage: 2
from Texas Instruments
Switched Capacitor Voltage Converter 5-SOT-23 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- Package Type: Other; SOT-23
from Win Source Electronics
Win Source Part Number: 1249975-S-882130APB-M2FTFG. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR). Standard Package: 3,000. Mounting: SMD (SMT). Current - Output: 25mA. Output Type: Fixed. Function: Step-Up. Topology:... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 1000
- Package Type: Other; Tape & Reel (TR)
- Operating Temperature: -40 to 85
from DigiKey
Charge Pump Switching Regulator IC Negative Fixed -Vin 1 Output 500 µA SC-74A, SOT-753 [See More]
- Configuration / Function: Charge Pump
- VIN: 1.5 to 5.5
- Package Type: Other; SC-74A, SOT-753
- IOUT: 5.00E-4
from Texas Instruments
Switched Capacitor Voltage Converter 8-SOIC [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- Package Type: Other; PDIP,SOIC
from Win Source Electronics
Win Source Part Number: 1249976-S-882133APB-M2ITFG. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR). Standard Package: 3,000. Mounting: SMD (SMT). Current - Output: 25mA. Output Type: Fixed. Function: Step-Up. Topology:... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 1000
- Package Type: Other; Tape & Reel (TR)
- Operating Temperature: -40 to 85
from DigiKey
Charge Pump Switching Regulator IC Negative Fixed nVin 1 Output 20mA 14-DIP [See More]
- Configuration / Function: Charge Pump
- VIN: -6 to -2.6
- Package Type: DIP; Other; 14-DIP
- IOUT: 0.0200
from Texas Instruments
Switched-Capacitor Voltage Converters With Regulator 16-SOIC 0 to 70 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 3.5 to 15
- Package Type: Other; PDIP,SOIC
- Output Voltage: -5
from Win Source Electronics
Win Source Part Number: 1249977-S-882Z18-M5T1G. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR). Standard Package: 3,000. Mounting: SMD (SMT). Output Type: Fixed. Function: Step-Up. Topology: Charge Pump. Frequency -... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 350
- Package Type: SOT23; Other; Tape & Reel (TR)
- Operating Temperature: -40 to 85
from DigiKey
"Charge Pump Switching Regulator IC Negative Fixed nVin 1 Output 20mA 14-SOIC (0.209"", 5.30mm Width)" [See More]
- Configuration / Function: Charge Pump
- VIN: -6 to -2.6
- Package Type: SOIC; Other; "14-SOIC (0.197"", 5.00mm Width)"
- IOUT: 0.0200
from Texas Instruments
Switched Capacitor Voltage Converter 8-SOIC [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 1.5 to 5.5
- Package Type: Other; SOIC
- IOUT: 0.1000
from Win Source Electronics
Win Source Part Number: 1249978-S-882Z22-M5T1G. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR). Standard Package: 3,000. Mounting: SMD (SMT). Output Type: Fixed. Function: Step-Up. Topology: Charge Pump. Frequency -... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 350
- Package Type: SOT23; Other; Tape & Reel (TR)
- Operating Temperature: -40 to 85
from DigiKey
"Charge Pump Switching Regulator IC Negative Fixed nVin 1 Output 20mA 14-LSSOP (0.173"", 4.40mm Width)" [See More]
- Configuration / Function: Charge Pump
- VIN: -6 to -2.6
- Package Type: Other; "14-LSSOP (0.173"", 4.40mm Width)"
- IOUT: 0.0200
from Texas Instruments
30-mA Switched-Cap DC-DC Converter with fixed 2.5-V Output 6-SOT-23 -40 to 85 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 1.8 to 5.5
- Package Type: Other; SOT-23
- Output Voltage: 2.5
from Win Source Electronics
Win Source Part Number: 1249979-S-882Z24-M5T1G. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR). Standard Package: 3,000. Mounting: SMD (SMT). Output Type: Fixed. Function: Step-Up. Topology: Charge Pump. Frequency -... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 350
- Package Type: SOT23; Other; Tape & Reel (TR)
- Operating Temperature: -40 to 85
from DigiKey
"Charge Pump Switching Regulator IC Positive Fixed 3V 1 Output 200mA 20-PowerTSSOP (0.173"", 4.40mm Width)" [See More]
- Configuration / Function: Charge Pump
- VIN: 1.8 to 3.6
- Package Type: Other; "20-PowerTSSOP (0.173"", 4.40mm Width)"
- Output Voltage: 3
from Texas Instruments
30-mA Switched-Cap DC-DC Converter with fixed 2.7-V Output 6-SOT-23 -40 to 85 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 1.8 to 5.5
- Package Type: Other; SOT-23
- Output Voltage: 2.7
from Win Source Electronics
Win Source Part Number: 1249980-S-882125AMH-M2ATFG. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR). Standard Package: 3,000. Mounting: SMD (SMT). Current - Output: 25mA. Output Type: Fixed. Function: Step-Up. Topology:... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 1000
- Package Type: SOT23; Other; Tape & Reel (TR)
- Operating Temperature: -40 to 85
from DigiKey
"Charge Pump Switching Regulator IC Positive Fixed 3.3V 1 Output 100mA 10-TFSOP, 10-MSOP (0.118"", 3.00mm Width)" [See More]
- Configuration / Function: Charge Pump
- VIN: 1.6 to 3.6
- Package Type: Other; "10-TFSOP, 10-MSOP (0.118"", 3.00mm Width)"
- Output Voltage: 3.3
from Texas Instruments
30-mA Switched-Cap DC-DC Converter with fixed 3-V Output 6-SOT-23 -40 to 85 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 1.8 to 5.5
- Package Type: Other; SOT-23
- Output Voltage: 3
from Win Source Electronics
Win Source Part Number: 1249981-S-882130AMH-M2FTFG. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR). Standard Package: 3,000. Mounting: SMD (SMT). Current - Output: 25mA. Output Type: Fixed. Function: Step-Up. Topology:... [See More]
- Configuration / Function: Charge Pump; Charge Pump
- fsw: 1000
- Package Type: SOT23; Other; Tape & Reel (TR)
- Operating Temperature: -40 to 85
from DigiKey
Charge Pump Switching Regulator IC Positive or Negative Fixed -Vin, 2Vin, Vin/2 1 Output 60mA SC-74A, SOT-753 [See More]
- Configuration / Function: Charge Pump
- VIN: 1.8 to 5.25
- Package Type: Other; SC-74A, SOT-753
- Output Voltage: 2
from Texas Instruments
30-mA Switched-Cap DC-DC Converter with fixed 3.3-V Output 6-SOT-23 -40 to 85 [See More]
- Configuration / Function: Buck-Boost; Charge Pump
- VIN: 1.8 to 5.5
- Package Type: Other; SOT-23
- Output Voltage: 3.3
from Semtech Corp.
Semtech charge pump regulator ICs feature optimal high efficiency in the smallest footprint with accurate current regulation, low noise, and a wide dimming range. Our high-current charge pump ICs are designed specifically for use with white LEDs used in camera flash applications. In addition, we... [See More]
- Configuration / Function: Boost (optional feature); Buck-Boost (optional feature); Charge Pump
- Output Voltage: 3.3 to 5.3
- VIN: 2.5 to 6.5
- IOUT: 0.1200 to 0.4000
from Lingto Electronic Limited
LOW NOISE REGULATED CHARGE PUMP [See More]
- Configuration / Function: Charge Pump
from Microchip Technology, Inc.
The TC962 is an advanced version of the industry-standard 7662 high-voltage DC-to-DC converter. Using improved design techniques and CMOS construction, the TC962 can source as much as 80mA versus the 7662 ’s 20mA capability. As an inverter,the TC962 can put out voltages as high as 18V and as... [See More]
- Configuration / Function: Charge Pump
- Operating Temperature: -45 to 85
- Package Type: DIP; SOIC; Other; ['WAFER', 'SOIC', 'CERDIP', 'PDIP']
from Lingto Electronic Limited
IC REG CHARGE PUMP INV 8SOIC [See More]
- Configuration / Function: Charge Pump
- fsw: 25 to 120
- IOUT: 0.1000
from Microchip Technology, Inc.
The MCP1256, MCP1257, MCP1258 and MCP1259 are inductorless, positive regulated charge pump DC/DC converters. Generating a regulated 3.3 V output voltage from a 1.8 V to 3.6 V input, they are specifically designed for applications operating from 2 cell alkaline, 2 cell Ni-Cd, 2 cell Ni-MH, or one... [See More]
- Configuration / Function: Charge Pump
- Operating Temperature: -40 to 125
- Package Type: Other; ['MSOP', 'DFN']
from Lingto Electronic Limited
IC REG CHARGE PUMP 20MA 8SSOPB [See More]
- Configuration / Function: Charge Pump
- fsw: 120
- IOUT: 0.0200
from Microchip Technology, Inc.
The MCP1256, MCP1257, MCP1258 and MCP1259 are inductorless, positive regulated charge pump DC/DC converters. Generating a regulated 3.3 V output voltage from a 1.8 V to 3.6 V input, they are specifically designed for applications operating from 2 cell alkaline, 2 cell Ni-Cd, 2 cell Ni-MH, or one... [See More]
- Configuration / Function: Charge Pump
- Operating Temperature: -40 to 125
- Package Type: Other; ['MSOP', 'DFN']
from Lingto Electronic Limited
IC REG CHARGE PUMP 10MA 8MSOP [See More]
- Configuration / Function: Charge Pump
- fsw: 120
- IOUT: 0.0100
from Microchip Technology, Inc.
The MCP1256, MCP1257, MCP1258 and MCP1259 are inductorless, positive regulated charge pump DC/DC converters. Generating a regulated 3.3 V output voltage from a 1.8 V to 3.6 V input, they are specifically designed for applications operating from 2 cell alkaline, 2 cell Ni-Cd, 2 cell Ni-MH, or one... [See More]
- Configuration / Function: Charge Pump
- Operating Temperature: -40 to 125
- Package Type: Other; ['MSOP', 'DFN']
from Lingto Electronic Limited
IC REG CHARGE PUMP ADJ/5V 8UDFN [See More]
- Configuration / Function: Charge Pump
- fsw: 2000
- IOUT: 0.1000
from Microchip Technology, Inc.
The MCP1256, MCP1257, MCP1258 and MCP1259 are inductorless, positive regulated charge pump DC/DC converters. Generating a regulated 3.3 V output voltage from a 1.8 V to 3.6 V input, they are specifically designed for applications operating from 2 cell alkaline, 2 cell Ni-Cd, 2 cell Ni-MH, or one... [See More]
- Configuration / Function: Charge Pump
- Operating Temperature: -40 to 125
- Package Type: Other; ['MSOP', 'DFN']
from Lingto Electronic Limited
IC REG CHARGE PUMP 5V TSOT23 [See More]
- Configuration / Function: Charge Pump
- fsw: 2000
- IOUT: 0.1000
from Microchip Technology, Inc.
The MCP1252-33X50 and MCP1252-ADJ are inductorless, positive regulating, low noise charge pump DC-to-DC converters. The MCP1252-33X50 has selectable outputs of either 3.3 or 5.0 V, while the MCP1252-ADJ has an adjustable output between 1.5 and 5.5 V. Both can deliver 120 mA of load current at the... [See More]
- Configuration / Function: Charge Pump
- Operating Temperature: -45 to 85
- Package Type: Other; ['DICE', 'WAFER', 'MSOP']
from Lingto Electronic Limited
IC REG CHARGE PUMP ADJ 8MSOP [See More]
- Configuration / Function: Charge Pump
- fsw: 2000
- IOUT: 0.1000
from Microchip Technology, Inc.
The MCP1253-33X50 and MCP1253-ADJ are inductorless, positive regulating, low noise charge pump DC-to-DC converters. The MCP1253-33X50 has selectable outputs of either 3.3 or 5.0 V, while the MCP1253-ADJ has an adjustable output between 1.5 and 5.5 V. Both can deliver 120 mA of load current at the... [See More]
- Configuration / Function: Charge Pump
- Operating Temperature: -45 to 85
- Package Type: Other; ['Wafer', 'DICE', 'WAFER', 'MSOP']
from Lingto Electronic Limited
IC REG CHARGE PUMP INV 8SOIC [See More]
- Configuration / Function: Charge Pump
- fsw: 10 to 80
- IOUT: 0.1000
from Microchip Technology, Inc.
The TC1240 is a doubling CMOS charge-pump voltage converter in a small 6-Pin SOT-23A package. TC1240 doubles an input voltage which can range from +2.5V to +4.0V. Conversion efficiency is typically >99%. Internal oscillator frequency is 160kHz for the TC1240. The TC1240 has an active high... [See More]
- Configuration / Function: Charge Pump
- Operating Temperature: -45 to 85
- Package Type: Other; ['DICE', 'WAFER', 'SOT-23']
from Lingto Electronic Limited
CHARGE PUMP VOLTAGE CONVERTER [See More]
- Configuration / Function: Charge Pump
from Microchip Technology, Inc.
The TC1240A is a doubling CMOS charge-pump voltage converter in a small 6-Pin SOT-23A package. TC1240A doubles an input voltage which can range from +2.5V to +5.5V. Conversion efficiency is typically >99%. Internal oscillator frequency is 160kHz for the TC1240A. The TC1240A has an active high... [See More]
- Configuration / Function: Charge Pump
- Operating Temperature: -45 to 85
- Package Type: Other; ['DICE', 'WAFER', 'SOT-23']
from Lingto Electronic Limited
IC REG CHARGE PUMP 1.3V 6MLP [See More]
- Configuration / Function: Charge Pump
- fsw: 2000
- IOUT: 0.2500
from Lingto Electronic Limited
IC REG CHARGE PUMP 3.3V 8MLP [See More]
- Configuration / Function: Charge Pump
- fsw: 1000
- IOUT: 0.2000
from Lingto Electronic Limited
IC REG CHARGE PUMP INV 45MA 8DIP [See More]
- Configuration / Function: Charge Pump
- fsw: 3
- IOUT: 0.0450
from Lingto Electronic Limited
IC REG CHARGE PUMP INV 8SOIC [See More]
- Configuration / Function: Charge Pump
- fsw: 10
from Lingto Electronic Limited
IC REG CHARGE PUMP INV 8DIP [See More]
- Configuration / Function: Charge Pump
- fsw: 10
from Lingto Electronic Limited
IC REG CHARGE PUMP ADJ 8SOIC [See More]
- Configuration / Function: Charge Pump
- fsw: 140
from Lingto Electronic Limited
IC REG CHARGE PUMP INV 8SOIC [See More]
- Configuration / Function: Charge Pump
- fsw: 5 to 40
- IOUT: 0.1000
from Lingto Electronic Limited
IC REG CHARGE PUMP 40MA SOT23-6 [See More]
- Configuration / Function: Charge Pump
- fsw: 80
- IOUT: 0.0400
from Lingto Electronic Limited
IC REG CHARGE PUMP INV 8VSSOP [See More]
- Configuration / Function: Charge Pump
- fsw: 6
- IOUT: 0.0100
from Lingto Electronic Limited
IC REG CHARGE PUMP 5V 10WSON [See More]
- Configuration / Function: Charge Pump
- fsw: 1700
- IOUT: 0.1200
from Lingto Electronic Limited
IC REG CHARGE PUMP 5V 10WSON [See More]
- Configuration / Function: Charge Pump
- fsw: 1700
- IOUT: 0.1200
from Lingto Electronic Limited
IC REG CHARGE PUMP PROG 12USMD [See More]
- Configuration / Function: Charge Pump
- fsw: 1242
- IOUT: 0.1800
from Lingto Electronic Limited
IC REG CHARGE PUMP ADJ 8WSON [See More]
- Configuration / Function: Charge Pump
- fsw: 2000
- IOUT: 0.2500
from Lingto Electronic Limited
IC REG CHARGE PUMP ADJ DL 12WSON [See More]
- Configuration / Function: Charge Pump
- fsw: 1700 to 2300
- IOUT: 0.2500
from Lingto Electronic Limited
IC REG CHARGE PUMP 1.5V 8VSSOP [See More]
- Configuration / Function: Charge Pump
- fsw: 500
- IOUT: 0.1200
from Lingto Electronic Limited
IC REG CHARGE PUMP 1.8V 10VSSOP [See More]
- Configuration / Function: Charge Pump
- fsw: 500
- IOUT: 0.1200