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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
LM2831XSD/NOPB

LM2831XSD/NOPB

IC REG BUCK ADJ 1.5A 6WSON

Texas Instruments

296
LM2831XSD/NOPB

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1.5A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount 6-WSON (3x3)
RT8009-12GJ5

RT8009-12GJ5

IC REG BUCK 1.2V 600MA TSOT23-5

Richtek USA Inc.

250
RT8009-12GJ5

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.2V - 600mA 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
LMR36006CRNXT

LMR36006CRNXT

IC REG BUCK ADJ 600MA 12VQFN

Texas Instruments

797
LMR36006CRNXT

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 60V 1V 60V 600mA 2.1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
TPS62005DGS

TPS62005DGS

IC REG BUCK 1.8V 600MA 10VSSOP

Texas Instruments

315
TPS62005DGS

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Bulk Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.8V - 600mA 750kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSSOP
TPS62003DGS

TPS62003DGS

IC REG BUCK 1.2V 600MA 10VSSOP

Texas Instruments

135
TPS62003DGS

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Bulk Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.2V - 600mA 750kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSSOP
LM3668SD-3034/NOPB

LM3668SD-3034/NOPB

IC REG BUCK BOOST PROG 1A 12WSON

Texas Instruments

1,585
LM3668SD-3034/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 3V, 3.4V - 1A 2.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-WSON (3x3)
TPS61097-33DBVR

TPS61097-33DBVR

IC REG BOOST 3.3V 200MA SOT23-5

Texas Instruments

18,033
TPS61097-33DBVR

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Step-Up Positive Fixed 1 0.9V Boost 5.5V 3.3V - 200mA (Switch) - - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
LM2736YMK/NOPB

LM2736YMK/NOPB

IC REG BUCK ADJ 750MA SOT23

Texas Instruments

3,341
LM2736YMK/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 550kHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR70503TMX/NOPB

LMR70503TMX/NOPB

IC REG BUCK BST ADJ 270MA 8DSBGA

Texas Instruments

7,920
LMR70503TMX/NOPB

Datasheet

SIMPLE SWITCHER® 8-WFBGA, DSBGA Tape & Reel (TR) Active Step-Up/Step-Down Negative Adjustable 1 2.8V Buck-Boost 5.5V -0.9V -5.5V 270mA (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DSBGA
TPS628692ARQYR

TPS628692ARQYR

IC REG BUCK ADJ 6A 9VQFN

Texas Instruments

8,682
TPS628692ARQYR

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.8V 3.35V 6A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 9-VQFN-HR (1.5x2.5)
TPS628660BYCGR

TPS628660BYCGR

IC REG BUCK ADJ 6A 15DSBGA

Texas Instruments

8,622
TPS628660BYCGR

Datasheet

DCS-Control™ 15-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.4V 1.15V 6A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 15-DSBGA (2x1.3)
TPS63811YFFR

TPS63811YFFR

IC REG BUCK BST ADJ 2.5A 15DSBGA

Texas Instruments

4,010
TPS63811YFFR

Datasheet

- 15-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up, Step-Down Positive Adjustable 1 2.2V Buck-Boost 5.5V 1.8V 5.2V 2.5A 1.6MHz, 2MHz, 2.6MHz - No - -40°C ~ 85°C (TA) Surface Mount 15-DSBGA
SC630AULTRT

SC630AULTRT

IC REG CHG PUMP 3.3V 300MA 8MLPD

Semtech Corporation

3,000
SC630AULTRT

Datasheet

- 8-UFDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Up/Step-Down Positive Fixed 1 2.95V Charge Pump 5.5V 3.3V - 300mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MLPD-UT (2x2)
TPS628690ARQYR

TPS628690ARQYR

IC REG BUCK ADJ 6A 9VQFN

Texas Instruments

2,879
TPS628690ARQYR

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.2V 0.8375V 6A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 9-VQFN-HR (1.5x2.5)
TPS6286910CRQYR

TPS6286910CRQYR

IC REG BUCK ADJ 6A 9VQFN

Texas Instruments

2,726
TPS6286910CRQYR

Datasheet

- 9-PowerVFQFN 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 9-VQFN-HR (1.5x2.5)
TPS6286920CRQYR

TPS6286920CRQYR

IC REG BUCK ADJ 6A 9VQFN

Texas Instruments

2,687
TPS6286920CRQYR

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.8V 3.35V 6A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 9-VQFN-HR (1.5x2.5)
RM590L332B-TR

RM590L332B-TR

IC REG BUCK 3.3V 400MA 8QFN

Nisshinbo Micro Devices Inc.

2,545
RM590L332B-TR

Datasheet

- 8-LQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 3.3V - 400mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-QFN (2.2x2)
ISL8024IRTAJZ

ISL8024IRTAJZ

IC REG BUCK ADJ 4A 16TQFN

Renesas Electronics Corporation

2,486
ISL8024IRTAJZ

Datasheet

- 16-WFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.5V 4A 490kHz ~ 4.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-TQFN (3x3)
TPS62046DGQ

TPS62046DGQ

IC REG BUCK 3.3V 1.2A 10HVSSOP

Texas Instruments

1,165
TPS62046DGQ

Datasheet

- 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Fixed 1 2.5V Buck 6V 3.3V - 1.2A 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-HVSSOP
TPS62042DGQ

TPS62042DGQ

IC REG BUCK 1.5V 1.2A 10HVSSOP

Texas Instruments

500
TPS62042DGQ

Datasheet

- 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Bulk Active Step-Down Positive Fixed 1 2.5V Buck 6V 1.5V - 1.2A 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-HVSSOP
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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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