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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
REG71050DRVR

REG71050DRVR

IC REG CHARGE PUMP 5V 60MA 6WSON

Texas Instruments

35,307
REG71050DRVR

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 60mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
MCP1603T-180I/OS

MCP1603T-180I/OS

IC REG BUCK 1.8V 500MA TSOT23-5

Microchip Technology

11,294
MCP1603T-180I/OS

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.8V - 500mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
MCP1642D-50I/MS

MCP1642D-50I/MS

IC REG BOOST 5V 800MA 8MSOP

Microchip Technology

851
MCP1642D-50I/MS

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Fixed 1 0.65V Boost 5.5V 5V - 800mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
TPS62089AYFPR

TPS62089AYFPR

IC REG BUCK ADJ 2A 6DSBGA

Texas Instruments

819
TPS62089AYFPR

Datasheet

- 6-VFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.6V 4V 2A 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-DSBGA (1.2x0.8)
RT8078AGQW

RT8078AGQW

IC REG BUCK ADJ 4A 10WDFN

Richtek USA Inc.

221
RT8078AGQW

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.5V 4A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-WDFN (3x3)
LM3671TLX-3.3/NOPB

LM3671TLX-3.3/NOPB

IC REG BUCK 3.3V 600MA 5DSBGA

Texas Instruments

6,130
LM3671TLX-3.3/NOPB

Datasheet

- 5-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 3.3V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 5-DSBGA (1.41x1.08)
LM3671MFX-1.2/NOPB

LM3671MFX-1.2/NOPB

IC REG BUCK 1.2V 600MA SOT23-5

Texas Instruments

5,596
LM3671MFX-1.2/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.2V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
LM3671MF-1.5/NOPB

LM3671MF-1.5/NOPB

IC REG BUCK 1.5V 600MA SOT23-5

Texas Instruments

4,606
LM3671MF-1.5/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.5V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
LM3671MFX-ADJ/NOPB

LM3671MFX-ADJ/NOPB

IC REG BUCK ADJ 600MA SOT23-5

Texas Instruments

3,847
LM3671MFX-ADJ/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 1.1V 3.3V 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
LM3671MFX-2.8/NOPB

LM3671MFX-2.8/NOPB

IC REG BUCK 2.8V 600MA SOT23-5

Texas Instruments

2,846
LM3671MFX-2.8/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 2.8V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
LM3676SD-3.3/NOPB

LM3676SD-3.3/NOPB

IC REG BUCK 3.3V 600MA 8WSON

Texas Instruments

1,807
LM3676SD-3.3/NOPB

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.9V Buck 5.5V 3.3V - 600mA 2MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 8-WSON (3x3)
RT6224DHGJ6F

RT6224DHGJ6F

IC REG BUCK ADJ 3A TSOT23-6

Richtek USA Inc.

1,726
RT6224DHGJ6F

Datasheet

ACOT™ SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.3V Buck 18V 0.6V 5V 3A 1.4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6 (FC)
TPS560430XDBVT

TPS560430XDBVT

IC REG BUCK PFM 600MA SOT23-6

Texas Instruments

1,630
TPS560430XDBVT

Datasheet

SIMPLE SWITCHER® SOT-23-6 Tape & Reel (TR) Active Step-Down Positive PFM 1 4V Buck 36V 1V 34.2V 600mA 1.1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-6
LM3671LC-1.2/NOPB

LM3671LC-1.2/NOPB

IC REG BUCK 1.2V 600MA 6USON

Texas Instruments

1,249
LM3671LC-1.2/NOPB

Datasheet

- 6-UFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.2V - 600mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-USON (2x2)
TPS61240YFFT

TPS61240YFFT

IC REG BOOST 5V 500MA 6DSBGA

Texas Instruments

627
TPS61240YFFT

Datasheet

- 6-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.3V Boost 5.5V 5V - 500mA (Switch) 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DSBGA
TPS56428RHLR

TPS56428RHLR

IC REG BUCK ADJ 4A 14VQFN

Texas Instruments

6,612
TPS56428RHLR

Datasheet

D-CAP2™, Eco-Mode™ 14-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 7V 4A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-VQFN (3.5x3.5)
AOZ2152EQI-30

AOZ2152EQI-30

IC REG BUCK ADJ 6A 18QFN

Alpha & Omega Semiconductor Inc.

3,482
AOZ2152EQI-30

Datasheet

EZBuck™ 18-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.5V Buck 28V 0.8V 23.8V 6A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 18-QFN (3x3)
MCP16417-I/MN

MCP16417-I/MN

IC REG BOOST ADJ 600MA 10TDFN

Microchip Technology

283
MCP16417-I/MN

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 0.82V Boost 5.25V 1.8V 5.25V 600mA 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-TDFN (3x3)
TPS54229EDDA

TPS54229EDDA

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

8,520
TPS54229EDDA

Datasheet

D-CAP2™, Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 2A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
TPS62240DRVT

TPS62240DRVT

IC REG BUCK ADJ 300MA 6WSON

Texas Instruments

11,538
TPS62240DRVT

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 6V 0.6V 6V 300mA 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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