Voltage Regulators - DC DC Switching Regulators

Manufacturer Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device Package
NCP3064DR2G

NCP3064DR2G

IC REG BUCK BOOST ADJ 1.5A 8SOIC

onsemi

3,835
NCP3064DR2G

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up, Step-Down Positive or Negative Adjustable 1 3V Buck, Boost 40V 1.25V 40V 1.5A (Switch) 150kHz - No - 0°C ~ 70°C (TJ) Surface Mount 8-SOIC
LM3668SD-4550/NOPB

LM3668SD-4550/NOPB

IC REG BUCK BOOST PROG 1A 12WSON

Texas Instruments

1,803
LM3668SD-4550/NOPB

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Up/Step-Down Positive Programmable 1 2.5V Buck-Boost 5.5V 4.5V, 5V - 1A 2.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-WSON (3x3)
LMR36520ADDAR

LMR36520ADDAR

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

4,187
LMR36520ADDAR

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 65V 1V 28V 2A 400kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM2736XMK/NOPB

LM2736XMK/NOPB

IC REG BUCK ADJ 750MA SOT23

Texas Instruments

3,505
LM2736XMK/NOPB

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 18V 1.25V 16V 750mA 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR36520FADDAR

LMR36520FADDAR

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

2,197
LMR36520FADDAR

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 65V 1V 28V 2A 400kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
BD9C301FJ-E2

BD9C301FJ-E2

IC REG BUCK ADJ 3A 8SOPJ

Rohm Semiconductor

1,899
BD9C301FJ-E2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.8V 12.6V 3A 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-J
TPS628660AYCGR

TPS628660AYCGR

IC REG BUCK ADJ 6A 15DSBGA

Texas Instruments

8,666
TPS628660AYCGR

Datasheet

DCS-Control™ 15-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.4V 1.675V 6A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 15-DSBGA (2x1.3)
TPS63805YFFR

TPS63805YFFR

IC REG BUCK BOOST ADJ 2A 15DSBGA

Texas Instruments

7,717
TPS63805YFFR

Datasheet

- 15-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.3V Buck-Boost 5.5V 1.8V 5.2V 2A 1.4MHz, 1.6MHz, 2.1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 15-DSBGA
LMR51450SDRRR

LMR51450SDRRR

IC REG BUCK ADJ 5A 12WSON

Texas Instruments

3,874
LMR51450SDRRR

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 28V 5A 200kHz ~ 1.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 12-WSON (3x3)
LMR51450FNDRRR

LMR51450FNDRRR

IC REG BUCK ADJ 5A 12WSON

Texas Instruments

1,768
LMR51450FNDRRR

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 28V 5A 200kHz ~ 1.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 12-WSON (3x3)
TPS63060DSCR

TPS63060DSCR

IC REG BUCK BOOST ADJ 2A 10WSON

Texas Instruments

57,391
TPS63060DSCR

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 12V 2.5V 8V 2A (Switch) 2.4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-WSON (3x3)
TPS63061DSCR

TPS63061DSCR

IC REG BUCK BOOST 5V 2A 10WSON

Texas Instruments

4,544
TPS63061DSCR

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.5V Buck-Boost 12V 5V - 2A (Switch) 2.4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-WSON (3x3)
RT7258GSP

RT7258GSP

IC REG BUCK ADJ 8A 8SOP

Richtek USA Inc.

18,427
RT7258GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 24V 0.808V 15V 8A 600kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
TPS61170QDRVRQ1

TPS61170QDRVRQ1

IC REG BUCK BST ADJ 960MA 6WSON

Texas Instruments

2,406
TPS61170QDRVRQ1

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 3V Boost, Buck-Boost, Flyback, SEPIC 18V 3V 38V 960mA (Switch) 1.2MHz AEC-Q100 No Automotive -40°C ~ 125°C (TA) Surface Mount 6-WSON (2x2)
TPS61230DRCR

TPS61230DRCR

IC REG BOOST ADJ 5A 10VSON

Texas Instruments

18,151
TPS61230DRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 5.5V 2.5V 5.5V 5A (Switch) 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-VSON (3x3)
SIC438BED-T1-GE3

SIC438BED-T1-GE3

IC REG BCK ADJ POWERPAK MLP44-24

Vishay Siliconix

16,387
SIC438BED-T1-GE3

Datasheet

- 24-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 28V 0.6V 20V 8A 300kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount PowerPAK® MLP44-24
TPS54140DGQR

TPS54140DGQR

IC REG BUCK ADJ 1.5A 10HVSSOP

Texas Instruments

5,007
TPS54140DGQR

Datasheet

Eco-Mode™ 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 42V 0.8V 39V 1.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-HVSSOP
LMR14020SDDAR

LMR14020SDDAR

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

4,973
LMR14020SDDAR

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.8V 28V 2A 200kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
TPS54140ADGQR

TPS54140ADGQR

IC REG BUCK ADJ 1.5A 10HVSSOP

Texas Instruments

4,266
TPS54140ADGQR

Datasheet

Eco-Mode™ 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 42V 0.8V 39V 1.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-HVSSOP
SIC438AED-T1-GE3

SIC438AED-T1-GE3

IC REG BCK ADJ POWERPAK MLP44-24

Vishay Siliconix

3,923
SIC438AED-T1-GE3

Datasheet

- 24-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 28V 0.6V 20V 8A 300kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount PowerPAK® MLP44-24
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Voltage Regulators - DC-DC Switching Regulators Overview

DC-DC Switching Regulators, also known as DC-DC converters, are essential components in modern power management systems. Unlike linear regulators that dissipate excess energy as heat, switching regulators use high-frequency switching elements and energy storage components (inductors, capacitors) to efficiently step up, step down, or invert voltage levels. This design enables conversion efficiency levels of 80–95% or higher, making them indispensable for portable electronics, industrial automation, automotive systems, and communication equipment.

Key Advantages

High Efficiency: By minimizing energy loss, DC-DC switching regulators extend battery life in mobile devices and reduce overall power consumption in embedded systems.
Flexibility: Available in buck (step-down), boost (step-up), buck-boost, and inverting topologies, they provide engineers with versatile solutions for a wide range of voltage conversion needs.
Compact Size: With the integration of control circuitry and optimized packaging, regulators are now available in ultra-small footprints such as QFN and TSSOP, enabling compact PCB designs.
Thermal Performance: Efficient energy transfer reduces heat generation, which is critical in high-density boards and automotive ECUs.

Typical Applications

Consumer Electronics: Smartphones, tablets, wearables, and gaming devices rely on DC-DC converters for stable operation of processors, memory, and RF modules.
Industrial Equipment: Used in factory automation, robotics, and sensor networks where stable power is critical.
Automotive Systems: Powertrain control modules, infotainment units, and ADAS (Advanced Driver Assistance Systems) require efficient DC-DC conversion to meet stringent performance and reliability standards.
Telecommunication & Networking: Routers, base stations, and IoT gateways integrate switching regulators to ensure consistent power delivery under variable loads.

Features to Consider

When selecting a DC-DC switching regulator, engineers should evaluate:
Input voltage range and output voltage accuracy
Maximum output current capability
Efficiency curves under various load conditions
Switching frequency and EMI performance
Package type and thermal dissipation
Compliance with RoHS/REACH and automotive AEC-Q100 standards

Inventory and Availability

At OEMSTOCK.COM, we maintain a broad selection of Voltage Regulators – DC-DC Switching Regulators from leading manufacturers such as Texas Instruments, Analog Devices, Nuvoton, and Nisshinbo Micro Devices. Products are available in multiple packages and stocked in significant quantities to support both prototype development and large-scale production. Our global sourcing network ensures competitive pricing and reliable lead times, while our RFQ system allows engineers and procurement teams to request customized quotations instantly.
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