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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
AP61200Z6-7

AP61200Z6-7

IC REG BUCK ADJ 2A SOT563

Diodes Incorporated

2,343
AP61200Z6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.3V Buck 5.5V 0.6V 3.6V 2A 1.3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-563
TPS566247DRLR

TPS566247DRLR

IC REG BUCK ADJ 6A SOT563

Texas Instruments

18,100
TPS566247DRLR

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 16V 0.6V 7V 6A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-563
AP61202Z6-7

AP61202Z6-7

IC REG BUCK ADJ 2A SOT563

Diodes Incorporated

1,959
AP61202Z6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.3V Buck 5.5V 0.6V 3.6V 2A 1.3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-563
AP62250Z6-7

AP62250Z6-7

IC REG BUCK ADJ 2.5A SOT563

Diodes Incorporated

77,127
AP62250Z6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 18V 0.8V 7V 2.5A 1.3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-563
AP62300Z6-7

AP62300Z6-7

IC REG BUCK ADJ 3A SOT563

Diodes Incorporated

12,579
AP62300Z6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 18V 0.8V 7V 3A 750kHz AEC-Q100 Yes Automotive -40°C ~ 85°C (TA) Surface Mount SOT-563
TPS5432DDAR

TPS5432DDAR

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

6,186
TPS5432DDAR

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 6V 0.808V 4.5V 3A 700kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
TLV62595DMQR

TLV62595DMQR

IC REG BUCK ADJ 4A 6VSON

Texas Instruments

7,893
TLV62595DMQR

Datasheet

- 6-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 4V 4A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-VSON-HR (1.5x1.5)
MC34063ACD-TR

MC34063ACD-TR

IC REG BUCK BOOST ADJ 1.5A 8SOIC

STMicroelectronics

6,938
MC34063ACD-TR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up, Step-Down Positive or Negative Adjustable 1 3V Buck, Boost 40V 1.25V 38V 1.5A (Switch) 33kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
AP61300Z6-7

AP61300Z6-7

IC REG BUCK ADJ 3A SOT563

Diodes Incorporated

13,543
AP61300Z6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.6V 5.5V 3A 2.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-563
AP61302Z6-7

AP61302Z6-7

IC REG BUCK ADJ 3A SOT563

Diodes Incorporated

6,116
AP61302Z6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.6V 5.5V 3A 2.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-563
AP62250WU-7

AP62250WU-7

IC REG BUCK ADJ 2.5A TSOT26

Diodes Incorporated

172,720
AP62250WU-7

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 18V 0.8V 7V 2.5A 1.3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-26
AP62301WU-7

AP62301WU-7

IC REG BUCK ADJ 3A TSOT26

Diodes Incorporated

35,393
AP62301WU-7

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 18V 0.8V 7V 3A 750kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-26
AP62300WU-7

AP62300WU-7

IC REG BUCK ADJ 3A TSOT26

Diodes Incorporated

19,491
AP62300WU-7

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 18V 0.8V 7V 3A 750kHz AEC-Q100 Yes Automotive -40°C ~ 85°C (TA) Surface Mount TSOT-26
MC34063EBN

MC34063EBN

IC REG BUCK BOOST ADJ 1.5A 8DIP

STMicroelectronics

2,225
MC34063EBN

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up, Step-Down Positive or Negative Adjustable 1 3V Buck, Boost 40V 1.25V 38V 1.5A (Switch) 33kHz - No - -40°C ~ 125°C (TA) Through Hole 8-DIP
MCP1640DT-I/CHY

MCP1640DT-I/CHY

IC REG BOOST ADJ 350MA SOT23-6

Microchip Technology

19,196
MCP1640DT-I/CHY

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.8V Boost 5.5V 2V 5.5V 350mA 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-6
TPS562200DDCT

TPS562200DDCT

IC REG BUCK ADJ 2A SOT23

Texas Instruments

7,054
TPS562200DDCT

Datasheet

D-CAP2™, Eco-Mode™ SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.765V 7V 2A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-THIN
TPS562209DDCT

TPS562209DDCT

IC REG BUCK ADJ 2A SOT23

Texas Instruments

6,667
TPS562209DDCT

Datasheet

D-CAP2™ SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.765V 7V 2A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-THIN
LM7705MMX/NOPB

LM7705MMX/NOPB

IC REG CHARGE PUMP -0.23V 8VSSOP

Texas Instruments

4,098
LM7705MMX/NOPB

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Negative Fixed 1 3V Charge Pump 5.25V -0.23V - 26mA 92kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-VSSOP
SC189CULTRT

SC189CULTRT

IC REG BUCK 1.2V 1.5A 6MLPD

Semtech Corporation

27,258
SC189CULTRT

Datasheet

- 6-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.9V Buck 5.5V 1.2V - 1.5A 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-MLPD-UT (2x2)
MC34063ADRJR

MC34063ADRJR

IC REG BUCK BOOST ADJ 1.5A 8SON

Texas Instruments

2,579
MC34063ADRJR

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down Positive or Negative Adjustable 1 3V Buck, Boost 40V 1.25V 40V (Switch) 1.5A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SON (4x4)
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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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