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
LM5181NGUR

LM5181NGUR

IC REG FLYBACK 5V 500MA 8WSON

Texas Instruments

7,283
LM5181NGUR

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 4.5V Flyback 65V 5V - 500mA 12kHz ~ 350kHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-WSON (4x4)
LMQ66410MC5RXBRQ1

LMQ66410MC5RXBRQ1

IC REG BUCK ADJ/1V 1A 14VQFN

Texas Instruments

5,700
LMQ66410MC5RXBRQ1

Datasheet

- 14-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 3V Buck 36V 1V (5V) 18V 1A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-VQFN (2.6x2.6)
LM25011MYX/NOPB

LM25011MYX/NOPB

IC REG BUCK ADJ 2A 10HVSSOP

Texas Instruments

4,361
LM25011MYX/NOPB

Datasheet

- 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 42V 2.51V 40V 2A Up to 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-HVSSOP
TPS62130RGTT

TPS62130RGTT

IC REG BUCK ADJ 3A 16VQFN

Texas Instruments

2,216
TPS62130RGTT

Datasheet

DCS-Control™ 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 17V 0.9V 6V 3A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-VQFN (3x3)
TPS61200DRCT

TPS61200DRCT

IC REG BOOST ADJ 1.2A 10VSON

Texas Instruments

1,627
TPS61200DRCT

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.3V Boost 5.5V 1.8V 5.5V 1.2A (Switch) 1.25MHz ~ 1.65MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
L5973D013TR

L5973D013TR

IC REG BUCK ADJ 2.5A 8HSOP

STMicroelectronics

5,560
L5973D013TR

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 250kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-HSOP
TPS54061DRBT

TPS54061DRBT

IC REG BUCK ADJ 200MA 8SON

Texas Instruments

1,510
TPS54061DRBT

Datasheet

- 8-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.7V Buck 60V 0.8V 58V 200mA 50kHz ~ 1.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SON (3x3)
TPS54320RHLT

TPS54320RHLT

IC REG BUCK ADJ 3A 14VQFN

Texas Instruments

6,459
TPS54320RHLT

Datasheet

SWIFT™ 14-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.8V 15V 3A 200kHz ~ 1.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 14-VQFN (3.5x3.5)
L6902D013TR

L6902D013TR

IC REG BUCK ADJ 1A 8SOIC

STMicroelectronics

5,922
L6902D013TR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 36V 1.235V 34V 1A 250kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
MP4568GQ-Z

MP4568GQ-Z

IC REG BUCK ADJ 100MA 10QFN

Monolithic Power Systems Inc.

4,688
MP4568GQ-Z

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 45V - - 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-QFN (3x3)
TPS81256SIPR

TPS81256SIPR

IC REG BOOST 5V 9USIP

Texas Instruments

6,686
TPS81256SIPR

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)
LM2841YMKX-ADJL/NOPB

LM2841YMKX-ADJL/NOPB

IC REG BUCK ADJ 300MA TSOT23-6

Texas Instruments

3,008
LM2841YMKX-ADJL/NOPB

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.765V 34V 300mA 1.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
LM60440AQRPKRQ1

LM60440AQRPKRQ1

IC REG BUCK ADJ 4A 13WQFN

Texas Instruments

4,047
LM60440AQRPKRQ1

Datasheet

- 13-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 4A 400kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 13-WQFN-HR (3x2)
TPS65131RGER

TPS65131RGER

IC REG BUCK BOOST ADJ DL 24VQFN

Texas Instruments

2,343
TPS65131RGER

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive and Negative (Dual Rail) Adjustable 2 2.7V Boost, Buck-Boost 5.5V 3.2V, -2V 15V, -15V 1.8A (Switch) 1.38MHz - No - -40°C ~ 85°C (TA) Surface Mount 24-VQFN (4x4)
MP3437GRP-Z

MP3437GRP-Z

IC REG BOOST ADJ 10QFN

Monolithic Power Systems Inc.

3,789
MP3437GRP-Z

Datasheet

MP 10-VQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.8V Boost 16V 0.8V 16V - 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-QFN (2x2.5)
MP2384GG-Z

MP2384GG-Z

IC REG BUCK ADJ 4A 11QFN

Monolithic Power Systems Inc.

1,224
MP2384GG-Z

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)
MAX77837EWA+T

MAX77837EWA+T

IC REG BUCK BOOST ADJ DL 8WLP

Analog Devices Inc./Maxim Integrated

555
MAX77837EWA+T

Datasheet

- 8-WFBGA, WLBGA Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 2 1.8V Buck-Boost 5.5V 1.8V 5.2V - - - No - -40°C ~ 125°C (TJ) Surface Mount 8-WLP (1.81x1)
LM5012DDAR

LM5012DDAR

IC REG BUCK ADJ 2.5A 8SOPWR

Texas Instruments

4,158
LM5012DDAR

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 100V 1.2V 100V 2.5A Up to 1MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
TPS62110RSAT

TPS62110RSAT

IC REG BUCK ADJ 1.5A 16QFN

Texas Instruments

3,290
TPS62110RSAT

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.1V Buck 17V 1.2V 16V 1.5A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (4x4)
RT6150AGQW

RT6150AGQW

IC REG BUCK BST ADJ 800MA 10WDFN

Richtek USA Inc.

9,634
RT6150AGQW

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.8V 5.5V 800mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-WDFN (3x3)
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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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