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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
RT8287AZQW

RT8287AZQW

IC REG BUCK ADJ 4A 14WDFN

Richtek USA Inc.

2,951
RT8287AZQW

Datasheet

- 14-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 21V 0.808V 15V 4A 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-WDFN (4x3)
RP515K183C-TR

RP515K183C-TR

IC REG BUCK 1.8V 300MA 10DFN

Nisshinbo Micro Devices Inc.

10,000
RP515K183C-TR

Datasheet

RP515x 10-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 1.8V Buck 5.5V 1.8V - 300mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount DFN(PL)2527-10
MP2181GTL-Z

MP2181GTL-Z

IC REG BUCK ADJ 1A SOT583

Monolithic Power Systems Inc.

9,493
MP2181GTL-Z

Datasheet

- SOT-583 Tape & Reel (TR) Active - Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-583
FAN48610BUC50X

FAN48610BUC50X

IC REG BOOST 5V 1A 9WLCSP

onsemi

7,721
FAN48610BUC50X

Datasheet

TinyBoost® 9-UFBGA, WLCSP Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.5V Boost 4.8V 5V - 1A (Switch) 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-WLCSP (1.22x1.22)
TPS6285020MQDRLRQ1

TPS6285020MQDRLRQ1

IC REG BUCK 1.8V 2A SOT583

Texas Instruments

6,989
TPS6285020MQDRLRQ1

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 6V 1.8V - 2A 1.8MHz ~ 4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount SOT-583
FAN48695UC190X

FAN48695UC190X

IC REG BOOST 5V 1A DL 9WLCSP

onsemi

5,727
FAN48695UC190X

Datasheet

- 9-UFBGA, WLCSP Tape & Reel (TR) Active Step-Up Positive Fixed 2 2.5V Boost 5.5V 5V - 1A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-WLCSP (1.37x1.32)
RP515K334D-TR

RP515K334D-TR

IC REG BUCK 3.3V 300MA 10DFN

Nisshinbo Micro Devices Inc.

4,973
RP515K334D-TR

Datasheet

RP515x 10-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 1.8V Buck 5.5V 3.3V - 300mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount DFN(PL)2527-10
TPS62850240QDRLRQ1

TPS62850240QDRLRQ1

IC REG BUCK ADJ 2A SOT583

Texas Instruments

2,483
TPS62850240QDRLRQ1

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.6V 5.5V 2A 1.8MHz ~ 4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount SOT-583
TPS563210ADDFT

TPS563210ADDFT

IC REG BUCK ADJ 3A TSOT23-8

Texas Instruments

1,285
TPS563210ADDFT

Datasheet

D-CAP2™, Eco-Mode™ SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.76V 7V 3A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-8
MP1660GTF-P

MP1660GTF-P

IC REG BUCK ADJ 3A SOT563

Monolithic Power Systems Inc.

1,096
MP1660GTF-P

Datasheet

MP SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 16V 0.6V 10V 3A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-563
LM3370SD-3021/NOPB

LM3370SD-3021/NOPB

IC REG BUCK 1.2V/3.3V DL 16WSON

Texas Instruments

999
LM3370SD-3021/NOPB

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 2 2.7V Buck 5.5V 1.2V, 3.3V - 600mA 2MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 16-WSON (5x4)
TPS563219ADDFT

TPS563219ADDFT

IC REG BUCK ADJ 3A TSOT23-8

Texas Instruments

990
TPS563219ADDFT

Datasheet

D-CAP2™ SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.76V 7V 3A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-8
TPS62263DRVT

TPS62263DRVT

IC REG BUCK 2.5V 600MA 6WSON

Texas Instruments

201
TPS62263DRVT

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2V Buck 6V 2.5V - 600mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
LM2757TMX/NOPB

LM2757TMX/NOPB

IC REG CHARGE PUMP PROG 12DSBGA

Texas Instruments

11,109
LM2757TMX/NOPB

Datasheet

- 12-WFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Programmable 1 2.7V Charge Pump 5.5V 4.1V, 4.5V, 5V - 180mA 1.242MHz - No - -30°C ~ 85°C (TA) Surface Mount 12-DSBGA (1.64x1.24)
TPS62262DDCT

TPS62262DDCT

IC REG BUCK 1.2V 600MA SOT23

Texas Instruments

731
TPS62262DDCT

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2V Buck 6V 1.2V - 600mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-THIN
TPS54225PWPR

TPS54225PWPR

IC REG BUCK ADJ 2A 14HTSSOP

Texas Instruments

8,971
TPS54225PWPR

Datasheet

SWIFT™, D-CAP2™ 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 18V 0.76V 5.5V 2A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-HTSSOP
AOZ2264QI-11

AOZ2264QI-11

IC REG BUCK ADJ 15A 23QFNB

Alpha & Omega Semiconductor Inc.

7,481
AOZ2264QI-11

Datasheet

EZBuck™ 23-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 24V 0.6V 20.4V 15A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 23-QFNB (4x4)
TPS62262DRVT

TPS62262DRVT

IC REG BUCK 1.2V 600MA 6WSON

Texas Instruments

4,150
TPS62262DRVT

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2V Buck 6V 1.2V - 600mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
AOZ2264QI-20

AOZ2264QI-20

IC REG BUCK ADJ 15A 23QFNB

Alpha & Omega Semiconductor Inc.

3,612
AOZ2264QI-20

Datasheet

EZBuck™ 23-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 24V 0.6V 20.4V 15A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 23-QFNB (4x4)
TPS62261DRVT

TPS62261DRVT

IC REG BUCK 1.8V 600MA 6WSON

Texas Instruments

984
TPS62261DRVT

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2V Buck 6V 1.8V - 600mA 2.25MHz - Yes - -40°C ~ 85°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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