Fixed DC-DC Converter Chips
Last Updated: February 12, 2025
Description
Fixed DC-DC converter chips are integrated circuits designed to provide a stable and regulated DC voltage output from an unregulated DC input. These chips are essential components in power management systems, ensuring that electronic devices receive the correct voltage levels for optimal performance.
Working Principle
Fixed DC-DC converter chips operate by converting an input voltage to a different output voltage, which is fixed and regulated. They achieve this through a process of switching and rectification, often utilizing components like metal-oxide semiconductor field-effect transistors (MOSFETs) for efficient power conversion. These converters are useful because they replace traditional power conversion methods such as transformers and linear regulators, offering improved efficiency and compactness .
Applications
Fixed DC-DC converter chips are used in a variety of applications where precise voltage regulation is critical. Specific examples include powering microprocessors in computers, providing stable power to sensors in industrial automation systems, and maintaining consistent voltage levels in telecommunications equipment.
Advantages over other DC-DC Converter Chips
One advantage of fixed DC-DC converter chips is their ability to provide a stable output voltage without the need for external components to adjust the voltage level, which simplifies circuit design. Additionally, they often include features such as reverse voltage protection and thermal shutdown, enhancing their reliability and safety in various applications .
Limitations
A limitation of fixed DC-DC converter chips is their lack of flexibility in output voltage adjustment, which can be a drawback in applications requiring variable voltage levels. Additionally, they may have higher initial costs compared to simpler linear regulators, especially in applications where precise voltage regulation is not critical.
Considerations
When selecting fixed DC-DC converter chips, considerations should include initial costs, which can vary based on the complexity and features of the chip. Operating expenses are generally low due to their high efficiency, but durability and reliability are crucial factors, especially in harsh environments. Accuracy in voltage regulation is a key benefit, but replacement and maintenance costs should be evaluated, particularly in applications with high reliability requirements.
from RS Components, Ltd.
Conv DC-DC Single-OUT Non-Inv/Step [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5.5
- Package Type: Other; Son
- Configuration / Function: Buck; Boost; Buck-Boost; Inverting, non-inverting, step down, step up
from RS Components, Ltd.
DPASWITCH 13 W (36-75 Vin) DPA423PN [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Flyback; Forward; Flyback, forward
- Package Type: DIP; Other; Dipb
from RS Components, Ltd.
DC-DC Converter Step-Down 4-40V SOIC14W [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Step down
- Package Type: SOIC; Other; Soic
from RS Components, Ltd.
DUAL PWM ST-DOWN DC-DC CONVerter [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Step down
- Package Type: Other; Wdfn
from RS Components, Ltd.
1.3A SuperSwitcher [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Buck
- Package Type: SOIC; Other; Soic
from RS Components, Ltd.
1.3A SuperSwitcher [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Buck
- Package Type: SOIC; Other; Soic
from RS Components, Ltd.
Converter DC-DC Single Inverting Buck [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Buck-Boost; Inverting, step down
- Package Type: TO-263; Other; To-263
from RS Components, Ltd.
Conv DC-DC Single Step Down 4V to 40V [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Step down
- Package Type: TO-263; Other; To-263
from RS Components, Ltd.
Conv DC-DC Single Step Down 4V to 40V [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Step down
- Package Type: Other; To-220
from RS Components, Ltd.
DC-DC Converter Single Step Down 40V [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Step down
- Package Type: DIP; Other; Pdip
from RS Components, Ltd.
CONTR ÔLEUR PWM SO16 [See More]
- Output Voltage Type: Fixed; Adjustable / Variable
- Output Voltage: 6
- Package Type: SOIC; Other; Soic
- Configuration / Function: Buck; Boost; Buck-Boost; Inverting, non-inverting, step down, step up
from RS Components, Ltd.
MAX1796EUA+, DC-DC Converters [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Dc-dc
- Package Type: Other; μmax
from RS Components, Ltd.
LM2576HVT-12/NOPB, DC-DC Converters [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Step down
- Package Type: Other; To-220
from RS Components, Ltd.
LM2576HVT-12/NOPB, DC-DC Converters [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Step down
- Package Type: Other; To-220
from RS Components, Ltd.
LM2594HVM-5.0/NOPB, DC-DC Converters [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Step down
- Package Type: SOIC; Other; Soic
from RS Components, Ltd.
LM2594HVM-5.0/NOPB, DC-DC Converters [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Step down
- Package Type: SOIC; Other; Soic
from RS Components, Ltd.
VDRM Variable Step Down Regulator Module [See More]
- Output Voltage Type: Fixed
- Configuration / Function: Buck; Dc-dc
- Package Type: Other; Lga-16ep
from RS Components, Ltd.
Texas Instruments TPS613221ADBVT [See More]
- Output Voltage Type: Fixed
- IOUT: 0.5000
- Input Voltage: 5.5
from RS Components, Ltd.
Texas Instruments TPS613221ADBVT [See More]
- Output Voltage Type: Fixed
- IOUT: 0.5000
- Input Voltage: 5.5
from Pairui Group Inc.
FEATURES: 1000Vdc isolation voltage. Single and dual output models. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; DAR-1
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 12V 3A 4.5V~40V TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 12
- Package Type: TO-263
- Input Voltage: 4.5 to 40
from Murata Power Solutions
Our proven ability to blend circuit topologies and high-performance components with contemporary construction techniques has led to our premier position in the industry as the largest supplier of DC-DC converters. From standard models to modified products and complete custom designs, Murata ’s... [See More]
- Output Voltage Type: Fixed; Adjustable / Variable
- Output Voltage: 0.6000 to 15.5
- Package Type: Other; SIP, SMT, SMD
- Input Voltage: 2.4 to 75
from Central Technologies
Single output, no heatsink requires, small footprint, fully encapsulated [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: Other; UL94-V0
- Input Voltage: 4.5 to 5.5
from Pairui Group Inc.
FEATURES: 3000Vdc isolation voltage. Fully regulated with low ripple and noise. Continuous short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; DAR-1F
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 5V 5A 4.5V~40V TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: TO-263
- Input Voltage: 4.5 to 40
from Pairui Group Inc.
FEATURES: Wide (2:1) input voltage range. 1500Vdc isolation voltage. Regulated single and dual output models. Continuous short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; DAV-1
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 5V 2A 4.5V~22V SOP-8 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Input Voltage: 4.5 to 22
- Output Voltage: 5
- IOUT: 2
from Pairui Group Inc.
FEATURES: Wide (2:1) input voltage range. 3000Vdc isolation voltage. Regulated single and dual output models. Continuous short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; DAV-1F
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 2A 3.3V 3.8V~32V TSOT-23-6 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3
- Package Type: SOT23
- Input Voltage: 3.8 to 32
from Pairui Group Inc.
FEATURES: Wide (2:1) input voltage range. 1500Vdc isolation voltage. Regulated single and dual output models. Continuous short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; DAV-2
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 2A 5V 3.8V~32V TSOT-23-6 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: SOT23
- Input Voltage: 3.8 to 32
from Pairui Group Inc.
FEATURES: Wide (2:1) input voltage range. 3000Vdc isolation voltage. Regulated single and dual output models. Continuous short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; DAV-2F
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 2.3V~5.5V 1A 1.2V WLCSP-6 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Input Voltage: 2.3 to 5.5
- Output Voltage: 1.2
- IOUT: 1
from Pairui Group Inc.
FEATURES: Wide (2:1) input voltage range. 1500Vdc isolation voltage. Regulated single and dual output models. Continuous short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; SIP8
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Buck-boost type Fixed 2A 3.3V 2.5V~5.5V WLCSP-20(1.6x2) DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Input Voltage: 2.5 to 5.5
- Output Voltage: 3.3
- IOUT: 2
from Pairui Group Inc.
FEATURES: 1000Vdc isolation voltage. Fully regulated with low ripple and noise. Dual and isolated twin output models. Continuous short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; DBR-1
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Fixed 45mA 1.5V~12V SOIC-8 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Input Voltage: 1.5 to 12
- Package Type: SOIC
- IOUT: 0.0450
from Pairui Group Inc.
FEATURES: Wide (2:1) input voltage range. 1500Vdc isolation voltage. Regulated single and dual output models. Continuous short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; DBV-1
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 5V 1A 4.75V~40V D2PAK-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Input Voltage: 4.75 to 40
- Output Voltage: 5
- IOUT: 1
from Pairui Group Inc.
FEATURES: Wide (2:1) input voltage range. 1500Vdc isolation voltage. Regulated isolated twin output models. Operating temperature range -40 ℃ to +85 ℃. Continuous short circuit protection. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: Other; DBV-2
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 12V 2A 57V TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 12
- Package Type: TO-263
- Input Voltage: 57
from Pairui Group Inc.
FEATURES: Wide input range(2:1). Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Typical efficiency up to 82%. 2 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: DIP; Other; DIP2''x1''
- Input Voltage: 5 to 110
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 12V 40V 2A TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 12
- Package Type: TO-263
- Input Voltage: 40
from Pairui Group Inc.
FEATURES: Wide input range(4:1). Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Typical efficiency up to 82%. 2 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: DIP; Other; DIP2''x1''
- Input Voltage: 18 to 36
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 40V 2A 3.3V TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3
- Package Type: TO-263
- Input Voltage: 40
from Pairui Group Inc.
FEATURES: Wide input range(2:1). Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Typical efficiency up to 82%. 2 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: DIP; Other; DIP2''x1''
- Input Voltage: 5 to 110
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 40V 2A 5V TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: TO-263
- Input Voltage: 40
from Pairui Group Inc.
FEATURES: Wide input range(4:1). Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Typical efficiency up to 82%. 2 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: DIP; Other; DIP2''x1''
- Input Voltage: 18 to 36
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 4V~40V 1A 5V TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: TO-263
- Input Voltage: 4 to 40
from Pairui Group Inc.
FEATURES: 2 year warranty. Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Remote on/off. Adjustable output voltage [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 48
- Package Type: DIP; Other; DIP2''x1.6''
- Input Voltage: 12 to 110
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 5V 1A 4V~40V TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: TO-263
- Input Voltage: 4 to 40
from Pairui Group Inc.
FEATURES: 2 year warranty. Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Remote on/off. Adjustable output voltage [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 48
- Package Type: DIP; Other; DIP2''x1.6''
- Input Voltage: 18 to 36
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 3.3V 1A 4.75V~40V TO-220-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3
- Package Type: TO-220
- Input Voltage: 4.75 to 40
from Pairui Group Inc.
FEATURES: 2 year warranty. Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Remote on/off. Adjustable output voltage [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3 to 24
- Package Type: DIP; Other; DIP2''x2''
- Input Voltage: 12 to 110
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 5V 1A 4V~40V TO-220-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: TO-220
- Input Voltage: 4 to 40
from Pairui Group Inc.
FEATURES: 2 year warranty. Wide(4:1) input range. Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Remote on/off. Adjustable output voltage [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3 to 24
- Package Type: DIP; Other; DIP2''x2''
- Input Voltage: 18 to 36
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 4V~40V 12V 3A TO-220-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 12
- Package Type: TO-220
- Input Voltage: 4 to 40
from Pairui Group Inc.
FEATURES: 1500Vdc isolation voltage. Metal case with low ripple and noise. Short circuit and input under voltage protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3 to 24
- Package Type: DIP; Other; DIP1''x1''
- Input Voltage: 5 to 110
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 15V 3A 7V~40V D2PAK-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Input Voltage: 7 to 40
- Output Voltage: 15
- IOUT: 3
from Pairui Group Inc.
FEATURES: 2 year warranty. Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Remote on/off. Adjustable output voltage [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: DIP; Other; DIP2''x2''
- Input Voltage: 12 to 110
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 5V 3A 7V~40V D2PAK-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Input Voltage: 7 to 40
- Output Voltage: 5
- IOUT: 3
from Pairui Group Inc.
FEATURES: 2 year warranty. Wide(4:1) input range. Six-side shielded metal case. Low ripple and noise. Over current and short circuit protection. Remote on/off. Adjustable output voltage [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: DIP; Other; DIP2''x2''
- Input Voltage: 18 to 36
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 5V 3A 57V TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: TO-263
- Input Voltage: 57
from Pairui Group Inc.
FEATURES: 1500Vac isolation voltage. Six-side shielded metal case with low ripple and noise. Over voltage, over current, short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3 to 24
- Package Type: DIP; Other; DIP1''x1''
- Input Voltage: 12 to 110
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 5V 3A 4V~60V TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: TO-263
- Input Voltage: 4 to 60
from Pairui Group Inc.
FEATURES: 1500Vac isolation voltage. Six-side shielded metal case with low ripple and noise. Over voltage, over current, short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3 to 24
- Package Type: DIP; Other; DIP1''x1''
- Input Voltage: 12 to 110
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 12V 40V 3A TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 12
- Package Type: TO-263
- Input Voltage: 40
from Pairui Group Inc.
FEATURES: 1500Vac isolation voltage. Six-side shielded metal case with low ripple and noise. Over voltage, over current, short circuit protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty. Remote on/off. Adjustable output voltage [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3 to 24
- Package Type: DIP; Other; DIP2''x1''
- Input Voltage: 12 to 110
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 4V~40V 3.3V 3A TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 3.3
- Package Type: TO-263
- Input Voltage: 4 to 40
from Pairui Group Inc.
FEATURES: 1500Vdc isolation voltage. Metal/Plastic case with low ripple and noise. Short circuit and input under voltage protection. Operating temperature range -40 ℃ to +85 ℃. 3 year warranty [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5 to 24
- Package Type: DIP; Other; DIP24
- Input Voltage: 5 to 24
from LCSC Electronics Technology (HK) Limited
Step-down type Fixed 5V 4.3V~40V 3A TO-263-5 DC-DC Converters ROHS [See More]
- Output Voltage Type: Fixed
- Output Voltage: 5
- Package Type: TO-263
- Input Voltage: 4.3 to 40