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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
NJU7662D

NJU7662D

IC REG CHARGE PUMP INV 8DIP

Nisshinbo Micro Devices Inc.

1,673
NJU7662D

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 4.5V Charge Pump 20V -Vin, 2Vin - - 10kHz - No - -20°C ~ 70°C (TA) Through Hole 8-DIP
L7985ATR

L7985ATR

IC REG BUCK ADJ 2A 8HSOP

STMicroelectronics

43,187
L7985ATR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 38V 0.6V 38V 2A 250kHz ~ 1MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-HSOP
TPS61092RSAR

TPS61092RSAR

IC REG BOOST 5V 2A 16QFN

Texas Instruments

2,323
TPS61092RSAR

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 1.8V Boost 5.5V 5V - 2A (Switch) 600kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
L7985A

L7985A

IC REG BUCK ADJ 2A 8HSOP

STMicroelectronics

3,114
L7985A

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 38V 0.6V 38V 2A 250kHz ~ 1MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-HSOP
LMR51440SDRRR

LMR51440SDRRR

IC REG BUCK ADJ 4A 12WSON

Texas Instruments

14,217
LMR51440SDRRR

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 28V 4A 200kHz ~ 1.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 12-WSON (3x3)
TS30012-M033QFNR

TS30012-M033QFNR

IC REG BUCK 3.3V 2A 16QFN

Semtech Corporation

7,419
TS30012-M033QFNR

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 24V 3.3V - 2A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
AP64102QSP-13

AP64102QSP-13

IC REG BUCK ADJ 1A 8SO

Diodes Incorporated

4,140
AP64102QSP-13

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 40V 0.8V 40V 1A 500kHz, 100kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 8-SO-EP
LM60430ARPKR

LM60430ARPKR

IC REG BUCK ADJ 3A 13WQFN

Texas Instruments

6,850
LM60430ARPKR

Datasheet

- 13-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 400kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 13-WQFN-HR (3x2)
LM60430DRPKR

LM60430DRPKR

IC REG BUCK ADJ 3A 13WQFN

Texas Instruments

3,603
LM60430DRPKR

Datasheet

- 13-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 13-WQFN-HR (3x2)
MP3216GJE-Z

MP3216GJE-Z

IC REG BOOST ADJ 750MA TSOT23-5

Monolithic Power Systems Inc.

3,340
MP3216GJE-Z

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 6V 2.5V 36V (Switch) 750mA (Switch) 1.3MHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
RAA211412GP3#JA0

RAA211412GP3#JA0

IC REG BUCK ADJ 1A TSOT23-6

Renesas Electronics Corporation

2,122
RAA211412GP3#JA0

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5.8V Buck 45V 0.8V 42V 1A 630kHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
L5972D

L5972D

IC REG BUCK ADJ 2A 8SOIC

STMicroelectronics

688
L5972D

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.4V Buck 36V 1.235V 35V 2A 250kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
TPS62095RGTR

TPS62095RGTR

IC REG BUCK ADJ 4A 16VQFN

Texas Instruments

7,221
TPS62095RGTR

Datasheet

DCS-Control™ 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.8V 5.5V 4A 1.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-VQFN (3x3)
TPS62420QDRCRQ1

TPS62420QDRCRQ1

IC REG BCK ADJ 0.6A/1A DL 10VSON

Texas Instruments

4,669
TPS62420QDRCRQ1

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 6V 0.6V 6V 600mA, 1A 2.25MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 10-VSON (3x3)
TPS54332DDA

TPS54332DDA

IC REG BUCK ADJ 3.5A 8SOPWR

Texas Instruments

2,310
TPS54332DDA

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 3.5V Buck 28V 0.8V 26.04V 3.5A 1MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
TPS62410QDRCRQ1

TPS62410QDRCRQ1

IC REG BUCK ADJ 800MA DL 10VSON

Texas Instruments

1,663
TPS62410QDRCRQ1

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 6V 0.6V 6V 800mA 2.25MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 10-VSON (3x3)
TPS54331DDA

TPS54331DDA

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

731
TPS54331DDA

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 3.5V Buck 28V 0.8V 25V 3A 570kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
ISL91107IINZ-T7A

ISL91107IINZ-T7A

IC REG BUCK BST 3.3V 2A 15WLCSP

Renesas Electronics Corporation

714
ISL91107IINZ-T7A

Datasheet

- 15-UFBGA, WLCSP Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 1.8V Buck-Boost 5.5V 3.3V - 2A 2.5MHz - Yes - - Surface Mount 15-WLCSP (1.51x2.15)
AP1509-33SG-13

AP1509-33SG-13

IC REG BUCK 3.3V 2A 8SOP

Diodes Incorporated

7,673
AP1509-33SG-13

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 22V 3.3V - 2A 150kHz - No - -20°C ~ 85°C (TA) Surface Mount 8-SOP
LMR43620MB5RPER

LMR43620MB5RPER

IC REG BUCK ADJ/5V 2A 9VQFN

Texas Instruments

2,658
LMR43620MB5RPER

Datasheet

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