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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
TPS62825DMQT

TPS62825DMQT

IC REG BUCK ADJ 2A 6VSON

Texas Instruments

1,731
TPS62825DMQT

Datasheet

- 6-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.6V 4V 2A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-VSON-HR (1.5x1.5)
NCV890104MWR2G

NCV890104MWR2G

IC REG BUCK ADJ 1.2A 12DFN

onsemi

5,950
NCV890104MWR2G

Datasheet

- 12-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 34V 1.2A 2MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 12-DFN (4x4)
MP2384GG-P

MP2384GG-P

IC REG BUCK ADJ 4A 11QFN

Monolithic Power Systems Inc.

1,442
MP2384GG-P

Datasheet

- 11-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 24V 0.6V 13V 4A 700kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 11-QFN (2x2)
LM25005MH/NOPB

LM25005MH/NOPB

IC REG BUCK ADJ 2.5A 20HTSSOP

Texas Instruments

816
LM25005MH/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 7V Buck 42V 1.225V 37V 2.5A 50kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
TPS81256SIPT

TPS81256SIPT

IC REG BOOST 5V 9USIP

Texas Instruments

695
TPS81256SIPT

Datasheet

- 9-SMD Module Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.5V Boost 5.5V 5V - - 4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-uSIP (2.6x2.9)
TPS542951RSAT

TPS542951RSAT

IC REG BUCK ADJ 2A/3A DL 16QFN

Texas Instruments

500
TPS542951RSAT

Datasheet

D-CAP2™, Eco-Mode™ 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 2A, 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
TPS542941RSAT

TPS542941RSAT

IC REG BUCK ADJ 2A/3A DL 16QFN

Texas Instruments

108
TPS542941RSAT

Datasheet

D-CAP2™, Eco-Mode™ 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 2A, 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
TC682EOA713

TC682EOA713

IC REG CHRG PUMP INV 10MA 8SOIC

Microchip Technology

2,134
TC682EOA713

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Negative Fixed 1 2.4V Charge Pump 5.5V -2Vin - 10mA 12kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LM5009SDC/NOPB

LM5009SDC/NOPB

IC REG BUCK ADJ 150MA 8WSON

Texas Instruments

14,124
LM5009SDC/NOPB

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 9.5V Buck 95V 2.5V 85V 150mA - - No - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
A5975ADTR

A5975ADTR

IC REG BUCK ADJ 2.5A 8HSOP

STMicroelectronics

2,169
A5975ADTR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1.235V 35V 2.5A 500kHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-HSOP
TPS65261-1RHBT

TPS65261-1RHBT

IC REG BCK ADJ 3A/2A TRPL 32VQFN

Texas Instruments

1,747
TPS65261-1RHBT

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4.5V Buck 18V 0.6V 18V 3A, 2A 250kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 32-VQFN (5x5)
TPS65261RHBT

TPS65261RHBT

IC REG BCK ADJ 3A/2A TRPL 32VQFN

Texas Instruments

697
TPS65261RHBT

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4.5V Buck 18V 0.6V 18V 3A, 2A 250kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 32-VQFN (5x5)
LM2738XMY/NOPB

LM2738XMY/NOPB

IC REG BUCK ADJ 1.5A 8HVSSOP

Texas Instruments

527
LM2738XMY/NOPB

Datasheet

- 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 20V 0.8V 18V 1.5A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-HVSSOP
TPS54394PWP

TPS54394PWP

IC REG BUCK ADJ 3A DL 16HTSSOP

Texas Instruments

257
TPS54394PWP

Datasheet

D-CAP2™, Eco-Mode™ 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-HTSSOP
TPS54395PWP

TPS54395PWP

IC REG BUCK ADJ 3A DL 16HTSSOP

Texas Instruments

215
TPS54395PWP

Datasheet

D-CAP2™, Eco-Mode™ 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-HTSSOP
TPS54283PWPR

TPS54283PWPR

IC REG BUCK ADJ 2A DL 14HTSSOP

Texas Instruments

6,839
TPS54283PWPR

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 28V 0.8V 25.2V 2A 310kHz - No - -40°C ~ 85°C (TA) Surface Mount 14-HTSSOP
TPS54478RTET

TPS54478RTET

IC REG BUCK ADJ 4A 16WQFN

Texas Instruments

430
TPS54478RTET

Datasheet

SWIFT™ 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 6V 0.6V 4.5V 4A 200kHz ~ 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-WQFN (3x3)
ISL91107IRTNZ

ISL91107IRTNZ

IC REG BUCK BOOST 3.3V 2A 20TQFN

Renesas Electronics Corporation

1,035
ISL91107IRTNZ

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Up/Step-Down Positive Fixed 1 1.8V Buck-Boost 5.5V 3.3V - 2A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-TQFN (3x4)
TPS57140QDRCRQ1

TPS57140QDRCRQ1

IC REG BUCK ADJ 1.5A 10VSON

Texas Instruments

13,714
TPS57140QDRCRQ1

Datasheet

Eco-Mode™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 42V 0.8V 39V 1.5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LMR36015SFBRNXR

LMR36015SFBRNXR

IC REG BUCK ADJ 1.5A 12VQFN

Texas Instruments

11,445
LMR36015SFBRNXR

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 60V 1V 60V 1.5A 1MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
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Frequently Asked Questions

Voltage Regulators - DC DC Switching Regulators Overview

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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