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
LM25574MTX/NOPB

LM25574MTX/NOPB

IC REG BUCK ADJ 500MA 16TSSOP

Texas Instruments

3,143
LM25574MTX/NOPB

Datasheet

SIMPLE SWITCHER® 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 42V 1.225V 40V 500mA 50kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP
MIC4680-5.0YM

MIC4680-5.0YM

IC REG BUCK 5V 1.3A 8SOIC

Microchip Technology

2,696
MIC4680-5.0YM

Datasheet

SuperSwitcher™ 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4V Buck 34V 5V - 1.3A 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
MIC4680-3.3YM

MIC4680-3.3YM

IC REG BUCK 3.3V 1.3A 8SOIC

Microchip Technology

1,785
MIC4680-3.3YM

Datasheet

SuperSwitcher™ 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4V Buck 34V 3.3V - 1.3A 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
SIC431AED-T1-GE3

SIC431AED-T1-GE3

IC REG BCK ADJ POWERPAK MLP44-24

Vishay Siliconix

16,020
SIC431AED-T1-GE3

Datasheet

- 24-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 24V 0.6V 20V 24A 300kHz ~ 1MHz - Yes - -40°C ~ 125°C (TA) Surface Mount PowerPAK® MLP44-24
MP4559DN-LF-Z

MP4559DN-LF-Z

IC REG BUCK ADJ 1.5A 8SOIC

Monolithic Power Systems Inc.

14,514
MP4559DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 55V 0.8V 52V 1.5A Up to 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
SIC431BED-T1-GE3

SIC431BED-T1-GE3

IC REG BCK ADJ POWERPAK MLP44-24

Vishay Siliconix

10,733
SIC431BED-T1-GE3

Datasheet

- 24-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 24V 0.6V 20V 24A 300kHz ~ 1MHz - Yes - -40°C ~ 125°C (TA) Surface Mount PowerPAK® MLP44-24
MP1542DK-LF-Z

MP1542DK-LF-Z

IC REG BOOST ADJ 2A 8MSOP

Monolithic Power Systems Inc.

3,647
MP1542DK-LF-Z

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 22V 3V 22V 2A (Switch) 1.3MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
TC7662BEOA713

TC7662BEOA713

IC REG CHARG PUMP INV 20MA 8SOIC

Microchip Technology

10,276
TC7662BEOA713

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 15V -Vin, 2Vin - 20mA 10kHz ~ 35kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
TS30013-M050QFNR

TS30013-M050QFNR

IC REG BUCK 5V 3A 16QFN

Semtech Corporation

9,837
TS30013-M050QFNR

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 18V 5V - 3A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LMR16006YDDCR

LMR16006YDDCR

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

9,204
LMR16006YDDCR

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 60V 0.765V 55V 600mA 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR14050SDDAR

LMR14050SDDAR

IC REG BUCK ADJ 5A 8SOPWR

Texas Instruments

5,249
LMR14050SDDAR

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 5A 200kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
TPS54240DGQR

TPS54240DGQR

IC REG BCK SPLIT RAIL ADJ 10SSOP

Texas Instruments

2,805
TPS54240DGQR

Datasheet

SWIFT™, Eco-Mode™ 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck, Split Rail 42V 0.8V 39V 2.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-HVSSOP
LMR16006XDDCR

LMR16006XDDCR

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

168
LMR16006XDDCR

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 60V 0.765V 55V 600mA 700kHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR14020SQDPRRQ1

LMR14020SQDPRRQ1

IC REG BUCK ADJ 2A 10WSON

Texas Instruments

11,836
LMR14020SQDPRRQ1

Datasheet

SIMPLE SWITCHER® 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.8V 28V 2A 200kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 10-WSON (4x4)
TPS62816QWRWYRQ1

TPS62816QWRWYRQ1

IC REG BUCK ADJ 6A 9VQFN

Texas Instruments

4,663
TPS62816QWRWYRQ1

Datasheet

- 9-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.6V 5.5V 6A 1.8MHz ~ 4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 9-VQFN-HR (3x2)
LMR43610MSC5RPERQ1

LMR43610MSC5RPERQ1

IC REG BUCK ADJ/5V 1A 9VQFN

Texas Instruments

2,908
LMR43610MSC5RPERQ1

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 3V Buck 36V 1V (5V) 34.2V 1A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 9-VQFN-HR (2x2)
LMR43610MSC3RPERQ1

LMR43610MSC3RPERQ1

IC REG BUCK ADJ/3.3V 1A 9VQFN

Texas Instruments

2,012
LMR43610MSC3RPERQ1

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 3V Buck 36V 1V (3.3V) 34.2V 1A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 9-VQFN-HR (2x2)
LM5018MRX/NOPB

LM5018MRX/NOPB

IC REG BUCK ADJ 300MA 8SOPWR

Texas Instruments

3,406
LM5018MRX/NOPB

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive, Isolation Capable Adjustable 1 7.5V Buck 100V 1.225V 90V 300mA Adj to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM25575MHX/NOPB

LM25575MHX/NOPB

IC REG BUCK ADJ 1.5A 16HTSSOP

Texas Instruments

2,873
LM25575MHX/NOPB

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 42V 1.225V 40V 1.5A 50kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
TPS61094DSSR

TPS61094DSSR

IC REG BCK BST PROG 600MA 12WSON

Texas Instruments

11,169
TPS61094DSSR

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Programmable 1 0.7V Buck-Boost 5.5V 1.8V, 2V 5.4V 600mA 500kHz, 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-WSON (3x2)
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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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