QFP IC Switching Voltage Regulators
Last Updated: February 12, 2025
Description
QFP IC Switching Voltage Regulators are integrated circuits designed to manage and stabilize the voltage levels within electronic devices. They convert input voltage to a desired output voltage, ensuring that electronic components receive a consistent and reliable power supply. These regulators are packaged in a Quad Flat Package (QFP), which is a type of surface-mount packaging that allows for efficient heat dissipation and compact design.
Working Principle
Switching voltage regulators operate by rapidly switching the input voltage on and off, using a control mechanism to maintain the desired output voltage. This process involves storing energy in an inductor or capacitor and releasing it at a controlled rate to achieve the required voltage level. The switching action allows these regulators to achieve high efficiency, especially at varying load conditions, making them useful in applications where power efficiency is critical. Their ability to handle a wide range of input voltages and provide stable output makes them essential in modern electronic systems.
Applications
QFP IC Switching Voltage Regulators are used in a variety of applications, including computing devices, telecommunications equipment, and industrial machinery. For example, they are integral in powering microprocessors in computers, ensuring that these components receive the precise voltage needed for optimal performance. In telecommunications, they help maintain stable power levels in network equipment, which is crucial for reliable data transmission.
Advantages over other IC Switching Voltage Regulators
One of the main advantages of QFP IC Switching Voltage Regulators is their compact and efficient design, which allows for better heat dissipation compared to other packaging types. This makes them suitable for high-density circuit boards where space is limited. Additionally, their high efficiency at different load factors reduces power loss, making them more energy-efficient than linear regulators.
Limitations
Despite their advantages, QFP IC Switching Voltage Regulators can introduce electrical noise into the system due to their switching nature. This noise can affect sensitive electronic components if not properly managed. Additionally, their complexity and the need for external components such as inductors and capacitors can increase the overall design cost and complexity.
Considerations
When selecting QFP IC Switching Voltage Regulators, it is important to consider factors such as initial costs, operating expenses, and durability. While they may have a higher initial cost compared to linear regulators, their efficiency can lead to lower operating expenses over time. Durability is another key consideration, as these regulators must withstand various environmental conditions, including temperature fluctuations. Maintenance and replacement costs should also be evaluated, as the complexity of these regulators may require specialized knowledge for troubleshooting and repairs.
from Win Source Electronics
Win Source Part Number: 1017388-PM8804TR. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Controllers. Series: *. Package: Tape & Reel. Standard Package: 4,000. Mounting: SMD (SMT). Package / Case: 16-VFQFN Exposed Pad. Supplier Device Package: 16-VFQFPN... [See More]
- Package Type: QFP; Other; Tape & Reel
from Rochester Electronics
Switching Regulator [See More]
- Package Type: QFP; Other; eLQFP48
- Life Cycle Stage: Active
from ODG (Origin Data Global)
IC REG CTRLR BUCK 48VQFP [See More]
- Package Type: QFP; Other; 48-LQFP
- VIN: 3.9 to 30
- Configuration / Function: Buck
- fsw: 250
from DigiKey
Boost Regulator Positive Output Step-Up DC-DC Controller IC 44-MQFP (10x10) [See More]
- Package Type: QFP; Other; 44-QFP
- fsw: 75 to 1000
- Configuration / Function: Boost
- Operating Temperature: -40 to 125
from Win Source Electronics
Win Source Part Number: 1204850-LM5170PHPR. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Controllers. Package: Tape & Reel. Standard Package: 1,000. Mounting: SMD (SMT). Output Type: Transistor Driver. Function: Step-Up/Step-Down. Topology: Buck-Boost. [See More]
- Package Type: QFP; Other; Tape & Reel
- Output Voltage Type: Transistor Driver
- Configuration / Function: Buck-Boost
- fsw: 50 to 500
from Rochester Electronics
Switching Regulator, Voltage-mode, 1A, 2000kHz Switching Freq-Max, BIPolar, PQFP48 [See More]
- Package Type: QFP; Other; QFP48
- Life Cycle Stage: Obsolete
from ODG (Origin Data Global)
IC REG CTRLR BOOST 44TQFP [See More]
- Package Type: QFP; Other; 44-QFP
- VIN: 4.75 to 5.25
- Configuration / Function: Boost
- fsw: 75
from Win Source Electronics
Win Source Part Number: 1045025-AN33017UA-VB. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - DC DC Switching Regulators. Package: Tape & Reel (TR). Standard Package: 5,000. Mounting: SMD (SMT). Current - Output: 2.1A. Output Type: Adjustable. Function: Step-Down. Topology:... [See More]
- Package Type: QFP; Other; Tape & Reel (TR)
- Output Voltage Type: Adjustable / Variable; Adjustable
- Configuration / Function: Buck
- fsw: 200 to 2000
from ODG (Origin Data Global)
BI DIRECTIONAL 48V TO 12V CURREN [See More]
- Package Type: QFP; Other; 48-PowerTQFP
- VIN: 6 to 85
- Configuration / Function: Buck; Boost
- fsw: 50
from Win Source Electronics
Win Source Part Number: 1085535-PM6675STR. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - Linear + Switching. Package: Tape & Reel (TR). Standard Package: 4,000. Mounting: SMD (SMT). Topology: Step-Down (Buck) (1), Linear (LDO) (1). Frequency - Switching: Down to 33kHz. [See More]
- Package Type: QFP; Other; Tape & Reel (TR)
- fsw: 33
- Configuration / Function: Step-Down (Buck) (1), Linear (LDO) (1)
- Operating Temperature: -40 to 85
from ODG (Origin Data Global)
IC PFC CTRLR CCM 75KHZ 32LQFP [See More]
- Package Type: QFP; Other; 32-LQFP
- fsw: 18
- VIN: 15
- Operating Temperature: -40 to 105
from Win Source Electronics
Win Source Part Number: 1170043-TPS5130QPTRQ1. Category: Integrated Circuits (ICs) >PMIC - Voltage Regulators - Linear + Switching. Series: Automotive, AEC-Q100. Package: Tape & Reel. Standard Package: 1,000. Mounting: SMD (SMT). Topology: Step-Down (Buck) Synchronous (3), Linear (LDO) (1). [See More]
- Package Type: QFP; Other; Tape & Reel
- fsw: 300
- Configuration / Function: Step-Down (Buck) Synchronous (3), Linear (LDO) (1)
- Operating Temperature: -40 to 125
from ODG (Origin Data Global)
IC PFC CTRLR 430KHZ 64HTFQFP [See More]
- Package Type: QFP; Other; 64-TQFP
- fsw: 430
- VIN: 14 to 18
- Operating Temperature: -55 to 150
from Win Source Electronics
Win Source Part Number: 1341118-L7986. Category: Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators. Package: Tube. Standard Package: 100. Current - Output: 3A. Output Type: Adjustable. Function: Step-Down. Topology: Buck. Frequency - Switching:... [See More]
- Package Type: QFP; Other; Tube
- Output Voltage Type: Adjustable / Variable; Adjustable
- Configuration / Function: Buck
- fsw: 250 to 1000
from ODG (Origin Data Global)
IC REG TRPL BUCK/BST/LNR 48HTQFP [See More]
- Package Type: QFP; Other; 48-VFQFP Exposed Pad
- fsw: 200
- VIN: 4 to 30
- Operating Temperature: -40 to 125
from Win Source Electronics
Manufacturer: Rohm Semiconductor. Win Source Part Number: 049206-BA9706K. Packaging: Bulk. Output Type: Transistor Driver. Topology: Buck. Frequency - Switching: 514kHz, 790kHz. Control Features: Current Limit, Frequency Control. Number of Outputs: 3. Synchronous Rectifier: Yes. Output Phases: 1. [See More]
- Package Type: QFP; Other; 32-QFP (7x7)
- Output Voltage Type: Transistor Driver
- Configuration / Function: Buck
- Life Cycle Stage: Maturity; Active
from ODG (Origin Data Global)
IC REG TRPL BUCK/LNR SYNC 64LQFP [See More]
- Package Type: QFP; Other; 64-LQFP Exposed Pad
- fsw: 250
- VIN: 3.3 to 26
- Operating Temperature: -40 to 105
from Win Source Electronics
Manufacturer: Rohm Semiconductor. Win Source Part Number: 864078-BD9011KV-E2. Operating Temperature Range: -40 °C ~ 105 °C (TA). Features: Buck Regulator Positive Output Step-Down - DC-DC Controller IC 48-VQFPC (7x7). Package: Reel - TR. Package: 48-LQFP. Mounting: Surface Mount. Supply... [See More]
- Package Type: QFP; Other; 48-VQFPC (7x7)
- Operating Temperature: -40 to 105
- Life Cycle Stage: Declining; Not For New Designs
from ODG (Origin Data Global)
IC REG QD BUCK/LNR SYNC 32TQFP [See More]
- Package Type: QFP; Other; 32-TQFP Exposed Pad
- fsw: 1300
- VIN: 2.5 to 5.5
- Operating Temperature: -40 to 85
from Win Source Electronics
Manufacturer: Rohm Semiconductor. Win Source Part Number: 011492-BD9013KV-E2. Packaging: Reel - TR. Output Type: Transistor Driver. Topology: Buck. Frequency - Switching: 250kHz to 550kHz. Control Features: Enable, Frequency Control, Power Good, Soft Start. Number of Outputs: 2. Synchronous... [See More]
- Package Type: QFP; Other; 48-VQFPC (7x7)
- Output Voltage Type: Transistor Driver
- Configuration / Function: Buck
- Life Cycle Stage: Maturity; Active
from ODG (Origin Data Global)
IC REG QUAD BUCK/LNR SYNC 48LQFP [See More]
- Package Type: QFP; Other; 48-LQFP
- fsw: 300
- VIN: 1.1 to 28
- Operating Temperature: -40 to 85
from Win Source Electronics
Manufacturer: Renesas Electronics America Inc. Win Source Part Number: 1190184-ISL78220ANEZ. Packaging: Tray. Output Type: PWM Signal. Function: Step-Up. Topology: Boost. Control Features: Enable, Frequency Control, Power Good, Soft Start. Supply Voltage: 4.75V ~ 5.25V. Number of Outputs: 6. Output... [See More]
- Package Type: QFP; Other; 44-TQFP Exposed Pad
- Output Voltage Type: PWM Signal
- Configuration / Function: Boost
- fsw: 75 to 1000
from Win Source Electronics
Manufacturer: Intersil. Win Source Part Number: 777415-ISL78220ANEZ-T. Series: Automotive, AEC-Q100. Packaging: Reel package. Operating Temperature Range: -40 °C ~ 125 °C (TJ). Package: 44-TQFP Exposed Pad. Output Type: PWM Signal. Function: Step-Up. Topology: Boost. Frequency - Switching:... [See More]
- Package Type: QFP; Other; 44-TQFP Exposed Pad
- Output Voltage Type: PWM Signal
- Configuration / Function: Boost
- fsw: 75 to 1000
from Win Source Electronics
Manufacturer: Renesas Electronics America Inc. Win Source Part Number: 814014-ISL78225ANEZ. Packaging: Tray. Output Type: Transistor Driver. Function: Step-Up. Topology: Boost. Frequency - Switching: 75kHz ~ 1MHz. Control Features: Enable, Frequency Control, Power Good, Soft Start. Number of... [See More]
- Package Type: QFP; Other; 44-TQFP Exposed Pad
- Output Voltage Type: Transistor Driver
- Configuration / Function: Boost
- fsw: 75 to 1000
from Win Source Electronics
Manufacturer: Renesas Electronics America. Win Source Part Number: 921951-ISL78225ANEZ-T. Series: Automotive, AEC-Q100. Operating Temperature Range: -40 °C ~ 125 °C (TJ). Features: Boost Regulator Positive Output Step-Up - DC-DC Controller IC 44-MQFP (10x10). Package: 44-QFP. Package: Reel... [See More]
- Package Type: QFP; Other; 44-MQFP (10x10)
- Operating Temperature: -40 to 125
from Win Source Electronics
Manufacturer: Renesas Electronics America. Win Source Part Number: 875776-ISL78226ANZ. Series: Automotive, AEC-Q100. Operating Temperature Range: -40 °C ~ 125 °C (TA). Features: Boost, Buck, Flyback Regulator Positive and Negative Output Step-Up, Step-Down, Step-Up/Step-Down I ²C,... [See More]
- Package Type: QFP; Other; 64-TQFP-EP (10x10)
- Operating Temperature: -40 to 125
from Win Source Electronics
Manufacturer: STMicroelectronics. Win Source Part Number: 138095-L6710. Packaging: Tray. Output Type: Transistor Driver. Topology: Buck. Frequency - Switching: 150kHz. Control Features: Current Limit, Enable, Frequency Control, Phase Control, Power Good. Number of Outputs: 2. Synchronous Rectifier:... [See More]
- Package Type: QFP; Other; 44-TQFP (10x10)
- Output Voltage Type: Transistor Driver
- Configuration / Function: Buck
- Life Cycle Stage: PhaseOut; Obsolete(EOL)
from Win Source Electronics
Manufacturer: STMicroelectronics. Win Source Part Number: 070598-L6710TR. Packaging: Reel - TR. Output Type: Transistor Driver. Topology: Buck. Frequency - Switching: 150kHz. Control Features: Current Limit, Enable, Frequency Control, Phase Control, Power Good. Number of Outputs: 2. Synchronous... [See More]
- Package Type: QFP; Other; 44-TQFP (10x10)
- Output Voltage Type: Transistor Driver
- Configuration / Function: Buck
- Life Cycle Stage: PhaseOut; Obsolete(EOL)
from Win Source Electronics
Manufacturer: STMicroelectronics. Win Source Part Number: 018307-L6711TR. Packaging: Reel - TR. Output Type: Transistor Driver. Topology: Buck. Frequency - Switching: 150kHz. Control Features: Enable, Frequency Control, Phase Control, Soft Start. Number of Outputs: 3. Synchronous Rectifier: Yes. [See More]
- Package Type: QFP; Other; 48-TQFP (7x7)
- Output Voltage Type: Transistor Driver
- Configuration / Function: Buck
- Life Cycle Stage: PhaseOut; Obsolete(EOL)
from Win Source Electronics
Manufacturer: STMicroelectronics. Win Source Part Number: 018308-L6712QTR. Packaging: Reel - TR. Output Type: Transistor Driver. Topology: Buck. Frequency - Switching: 150kHz. Control Features: Frequency Control, Phase Control, Power Good. Number of Outputs: 2. Synchronous Rectifier: Yes. Output... [See More]
- Package Type: QFP; Other; 36-VFQFPN (6x6)
- Output Voltage Type: Transistor Driver
- Configuration / Function: Buck
- Life Cycle Stage: PhaseOut; Obsolete(EOL)
from Win Source Electronics
Manufacturer: STMicroelectronics. Win Source Part Number: 922625-L6722. Operating Temperature Range: -40 °C ~ 125 °C (TJ). Features: Buck Regulator Positive Output Step-Down - DC-DC Controller IC 36-VFQFPN (6x6). Package: Tube. Package: 36-VFQFN Exposed Pad. Mounting: Surface Mount. Supply... [See More]
- Package Type: QFP; Other; 36-VFQFPN (6x6)
- Operating Temperature: -40 to 125
- Life Cycle Stage: PhaseOut; Obsolete
from Win Source Electronics
Manufacturer: STMicroelectronics. Win Source Part Number: 1051326-L6738ATR. Packaging: Reel - TR. Output Type: Transistor Driver. Topology: Buck. Frequency - Switching: 200kHz. Control Features: Enable, Frequency Control, Phase Control, Power Good. Number of Outputs: 1. Synchronous Rectifier: Yes. [See More]
- Package Type: QFP; Other; 16-VFQFPN (3x3)
- Output Voltage Type: Transistor Driver
- Configuration / Function: Buck
- Life Cycle Stage: Maturity; Active
from Win Source Electronics
Manufacturer: STMicroelectronics. Win Source Part Number: 018317-L6738TR. Packaging: Reel - TR. Output Type: Transistor Driver. Topology: Buck. Frequency - Switching: 200kHz. Control Features: Enable, Frequency Control, Phase Control, Power Good. Number of Outputs: 1. Synchronous Rectifier: Yes. [See More]
- Package Type: QFP; Other; 16-VFQFPN (3x3)
- Output Voltage Type: Transistor Driver
- Configuration / Function: Buck
- Life Cycle Stage: Maturity; Active
from Win Source Electronics
Manufacturer: Texas Instruments. Win Source Part Number: 923275-LM5170QPHPRQ1. Series: Automotive, AEC-Q100. Operating Temperature Range: -40 °C ~ 150 °C (TJ). Features: Buck-Boost Regulator Positive Output Step-Up/Step-Down - DC-DC Controller IC 48-HTQFP (7x7). Package: 48-PowerTQFP. [See More]
- Package Type: QFP; Other; 48-HTQFP (7x7)
- Operating Temperature: -40 to 150
from Win Source Electronics
Manufacturer: Texas Instruments. Win Source Part Number: 923276-LM5170QPHPTQ1. Series: Automotive, AEC-Q100. Operating Temperature Range: -40 °C ~ 150 °C (TJ). Features: Buck-Boost Regulator Positive Output Step-Up/Step-Down - DC-DC Controller IC 48-HTQFP (7x7). Package: 48-PowerTQFP. [See More]
- Package Type: QFP; Other; 48-HTQFP (7x7)
- Operating Temperature: -40 to 150
from Shenzhen Shengyu Electronics Technology Limited
AUTO 4 PHASE BI-DIRECTIONAL BUCK [See More]
- Package Type: QFP
- VIN: 6 to 64
- Life Cycle Stage: Active
- fsw: 100 to 750
from Lingto Electronic Limited
IC REG TRPL BUCK/BST/LNR 48HTQFP [See More]
- Package Type: QFP; Other; 48-VFQFP Exposed Pad
- Operating Temperature: -40 to 125
- fsw: 200 to 550
from Shenzhen Shengyu Electronics Technology Limited
IC REG CTRLR BUCK 48LQFP [See More]
- Package Type: QFP
- VIN: 1.7 to 11
- Life Cycle Stage: Removed
- fsw: 1000
from Lingto Electronic Limited
IC REG 9OUT BUCK/LINEAR 48VQFPC [See More]
- Package Type: QFP; Other; 48-LQFP
- Operating Temperature: -25 to 85
- fsw: 100 to 1200
from Shenzhen Shengyu Electronics Technology Limited
IC REG CTRLR BUCK 48LQF [See More]
- Package Type: QFP
- VIN: 1.7 to 11
- Life Cycle Stage: Active
- fsw: 1000
from Lingto Electronic Limited
IC REG TRPL BUCK/LNR SYNC 64LQFP [See More]
- Package Type: QFP; Other; 64-LQFP Exposed Pad
- Operating Temperature: -40 to 105
- fsw: 250 to 2300
from Shenzhen Shengyu Electronics Technology Limited
IC REG BUCK ADJ 2.1A 48HQFP [See More]
- Package Type: QFP
- Output Voltage: 1.2
- Life Cycle Stage: Removed
- IOUT: 2.1
from Lingto Electronic Limited
IC REG QD BUCK/LNR SYNC 32TQFP [See More]
- Package Type: QFP; Other; 32-TQFP Exposed Pad
- Operating Temperature: -40 to 85
- fsw: 1300 to 2200
from Shenzhen Shengyu Electronics Technology Limited
IC REG BUCK ADJ 9A 64CQFP [See More]
- Package Type: QFP
- Output Voltage: 0.6000
- Life Cycle Stage: Active
- IOUT: 9
from Lingto Electronic Limited
IC REG 6OUT BUCK/LINEAR 48QFP [See More]
- Package Type: QFP; Other; 48-LQFP
from Shenzhen Shengyu Electronics Technology Limited
IC REG BOOST ADJ DL 32LQFP [See More]
- Package Type: QFP
- Output Voltage: 2.7
- Life Cycle Stage: Removed
- fsw: 100 to 120
from Lingto Electronic Limited
IC REG QUAD BCK/LNR SYNC 48HTQFP [See More]
- Package Type: QFP; Other; 48-PowerTQFP
- Operating Temperature: -40 to 125
- fsw: 150 to 600
from Shenzhen Shengyu Electronics Technology Limited
IC REG TRPL BUCK/BST/LNR 48HTQFP [See More]
- Package Type: QFP
- fsw: 200 to 550
- VIN: 4 to 30
- Operating Temperature: -40 to 125
from Lingto Electronic Limited
IC REG QUAD BUCK/LNR SYNC 48LQFP [See More]
- Package Type: QFP; Other; 48-LQFP
- Operating Temperature: -40 to 85
- fsw: 300
from Shenzhen Shengyu Electronics Technology Limited
IC REG 9OUT BUCK/LINEAR 48VQFPC [See More]
- Package Type: QFP
- VIN: 4 to 10
- Life Cycle Stage: Removed
- fsw: 100 to 1200
from Shenzhen Shengyu Electronics Technology Limited
IC REG TRPL BUCK/LNR SYNC 64LQFP [See More]
- Package Type: QFP
- VIN: 3.3 to 26
- Life Cycle Stage: Removed
- fsw: 250 to 2300
from Shenzhen Shengyu Electronics Technology Limited
IC REG QD BUCK/LNR SYNC 32TQFP [See More]
- Package Type: QFP
- VIN: 2.5 to 5.5
- Life Cycle Stage: Removed
- fsw: 1300 to 2200
from Shenzhen Shengyu Electronics Technology Limited
IC REG QUAD BCK/LNR SYNC 48HTQFP [See More]
- Package Type: QFP
- VIN: 4 to 40
- Life Cycle Stage: Active
- fsw: 150 to 600
from Shenzhen Shengyu Electronics Technology Limited
IC REG QUAD BUCK/LNR SYNC 48LQFP [See More]
- Package Type: QFP
- VIN: 1.1 to 28
- Life Cycle Stage: Active
- fsw: 300