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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
LM2575-5.0YN

LM2575-5.0YN

IC REG BUCK 5V 1A 16DIP

Microchip Technology

305
LM2575-5.0YN

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 4V Buck 40V 5V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole 16-DIP
TPS562210DDFT

TPS562210DDFT

IC REG BUCK ADJ 2A TSOT23-8

Texas Instruments

266
TPS562210DDFT

Datasheet

D-CAP2™, Eco-Mode™ SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 17V 0.76V 7V 2A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-8
LMR10520XSD/NOPB

LMR10520XSD/NOPB

IC REG BUCK ADJ 2A 6WSON

Texas Instruments

6,842
LMR10520XSD/NOPB

Datasheet

SIMPLE SWITCHER® 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 2A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount 6-WSON (3x3)
LMR10520XSDE/NOPB

LMR10520XSDE/NOPB

IC REG BUCK ADJ 2A 6WSON

Texas Instruments

723
LMR10520XSDE/NOPB

Datasheet

SIMPLE SWITCHER® 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 2A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount 6-WSON (3x3)
TPS54239DDAR

TPS54239DDAR

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

23,819
TPS54239DDAR

Datasheet

SWIFT™, D-CAP2™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.76V 7V 2A 600kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
RT8293BHZSP

RT8293BHZSP

IC REG BUCK ADJ 3A 8SOP

Richtek USA Inc.

8,097
RT8293BHZSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.8V 15V 3A 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
RT8269GSP

RT8269GSP

IC REG BUCK ADJ 3A 8SOP

Richtek USA Inc.

7,485
RT8269GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.75V Buck 24V 0.92V 15V 3A 400kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
TPS54329EDDAR

TPS54329EDDAR

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

5,089
TPS54329EDDAR

Datasheet

D-CAP2™, Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 3A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
RT8295BHZSP

RT8295BHZSP

IC REG BUCK ADJ 2A 8SOP

Richtek USA Inc.

4,959
RT8295BHZSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.8V 15V 2A 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
TPS62162QDSGRQ1

TPS62162QDSGRQ1

IC REG BUCK 3.3V 1A 8WSON

Texas Instruments

4,282
TPS62162QDSGRQ1

Datasheet

DCS-Control™ 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 17V 3.3V - 1A 2.25MHz AEC-Q100 Yes Automotive -40°C ~ 85°C (TA) Surface Mount 8-WSON (2x2)
NJW4122KU1-TE3

NJW4122KU1-TE3

IC REG BUCK ADJ 2A DFN8U1

Nisshinbo Micro Devices Inc.

2,552
NJW4122KU1-TE3

Datasheet

- 8-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.5V 2A 100kHz ~ 2.4MHz - Yes - -40°C ~ 125°C Surface Mount DFN8-U1
RT8251GSP

RT8251GSP

IC REG BUCK ADJ 5A 8SOP

Richtek USA Inc.

1,763
RT8251GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.75V Buck 24V 0.8V 15V 5A 570kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
TPS54328DRCT

TPS54328DRCT

IC REG BUCK ADJ 3A 10VSON

Texas Instruments

486
TPS54328DRCT

Datasheet

D-CAP2™, Eco-Mode™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
PAM2401YPADJ

PAM2401YPADJ

IC REG BOOST ADJ 1A UDFN303012

Diodes Incorporated

26,591
PAM2401YPADJ

Datasheet

- 12-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.9V Boost 4.75V 2.5V 5V 1A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount U-DFN3030-12
RT6254BHGJ6F

RT6254BHGJ6F

IC REG BUCK ADJ 4A TSOT23-6

Richtek USA Inc.

11,942
RT6254BHGJ6F

Datasheet

ACOT™ SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 5V 4A 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6 (FC)
AP5101SG-13

AP5101SG-13

IC REG BUCK ADJ 1.5A 8SO

Diodes Incorporated

7,500
AP5101SG-13

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.75V Buck 22V 0.81V 15V 1.5A 1.4MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
TPS62260TDRVRQ1

TPS62260TDRVRQ1

IC REG BUCK ADJ 600MA 6WSON

Texas Instruments

7,167
TPS62260TDRVRQ1

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 6V 0.6V 6V 600mA 2.25MHz AEC-Q100 Yes Automotive -40°C ~ 105°C (TA) Surface Mount 6-WSON (2x2)
TPS62262TDRVRQ1

TPS62262TDRVRQ1

IC REG BUCK 1.2V 600MA 6WSON

Texas Instruments

4,299
TPS62262TDRVRQ1

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2V Buck 6V 1.2V - 600mA 2.25MHz AEC-Q100 Yes Automotive -40°C ~ 105°C (TA) Surface Mount 6-WSON (2x2)
RT8009GJ5

RT8009GJ5

IC REG BUCK ADJ 600MA TSOT23-5

Richtek USA Inc.

3,474
RT8009GJ5

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.5V 5.5V 600mA 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
TPS62261TDRVRQ1

TPS62261TDRVRQ1

IC REG BUCK 1.8V 600MA 6WSON

Texas Instruments

3,000
TPS62261TDRVRQ1

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2V Buck 6V 1.8V - 600mA 2.25MHz AEC-Q100 Yes Automotive -40°C ~ 105°C (TA) Surface Mount 6-WSON (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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