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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
IR3888AMTRPBFAUMA1

IR3888AMTRPBFAUMA1

IC REG BUCK ADJ 25A 22IQFN

Infineon Technologies

4,650
IR3888AMTRPBFAUMA1

Datasheet

OptiMOS™ IPOL 22-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 17V 0.6V 6V 25A 600kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount PG-IQFN-22-2
MP3213DQ-LF-P

MP3213DQ-LF-P

IC REG BOOST ADJ 3.5A 10QFN

Monolithic Power Systems Inc.

1,381
MP3213DQ-LF-P

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 22V 3V 22V 3.5A 700kHz, 1.3MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-QFN (3x3)
MP8758HGL-P

MP8758HGL-P

IC REG BUCK ADJ 10A 21QFN

Monolithic Power Systems Inc.

831
MP8758HGL-P

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 22V 0.6V 5.5V 10A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 21-QFN (3x4)
MPQ4323CGRHE-33-AEC1-P

MPQ4323CGRHE-33-AEC1-P

IC REG BUCK ADJ 3A 14QFN

Monolithic Power Systems Inc.

500
MPQ4323CGRHE-33-AEC1-P

Datasheet

- 14-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 34.2V 3A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-QFN (2.5x3)
MPQ4323CGRHE-5-AEC1-P

MPQ4323CGRHE-5-AEC1-P

IC REG BUCK ADJ 3A 14QFN

Monolithic Power Systems Inc.

490
MPQ4323CGRHE-5-AEC1-P

Datasheet

- 14-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 34.2V 3A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-QFN (2.5x3)
MPQ4323CGRHE-AEC1-P

MPQ4323CGRHE-AEC1-P

IC REG BUCK ADJ 3A 14QFN

Monolithic Power Systems Inc.

480
MPQ4323CGRHE-AEC1-P

Datasheet

- 14-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 34.2V 3A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-QFN (2.5x3)
TPS54292PWPR

TPS54292PWPR

IC REG BUCK ADJ DL 16HTSSOP

Texas Instruments

508
TPS54292PWPR

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.8V 16.2V 1.5A, 2.5A 1.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 16-HTSSOP
LM26420YSQ/NOPB

LM26420YSQ/NOPB

IC REG BUCK ADJ 2A DL 16WQFN

Texas Instruments

1,770
LM26420YSQ/NOPB

Datasheet

- 16-WQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3V Buck 5.5V 0.8V 4.5V 2A 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-WQFN (4x4)
LM2675LD-5.0/NOPB

LM2675LD-5.0/NOPB

IC REG BUCK 5V 1A 16WSON

Texas Instruments

297
LM2675LD-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 6.5V Buck 40V 5V - 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-WSON (5x5)
A8654KLPTR-T

A8654KLPTR-T

IC REG BUCK ADJ 3A 16TSSOP

Allegro MicroSystems

7,797
A8654KLPTR-T

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 36V 3A 100kHz ~ 2MHz - Yes - -40°C ~ 150°C (TA) Surface Mount 16-eTSSOP-EP
LM2672LD-ADJ/NOPB

LM2672LD-ADJ/NOPB

IC REG BUCK ADJ 1A 16WSON

Texas Instruments

1,545
LM2672LD-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.5V Buck 40V 1.21V 37V 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-WSON (5x5)
MPQ9840GL-Z

MPQ9840GL-Z

IC REG BUCK ADJ 3.5A 16QFN

Monolithic Power Systems Inc.

9,982
MPQ9840GL-Z

Datasheet

MPQ 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 3.5A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
ADP5301ACBZ-3-R7

ADP5301ACBZ-3-R7

IC REG BCK PRG 50MA/500MA 9WLCSP

Analog Devices Inc.

1,373
ADP5301ACBZ-3-R7

Datasheet

- 9-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.15V Buck 6.5V 0.8V 5V 50mA, 500mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 9-WLCSP (1.87x1.65)
MAX17631CATE+T

MAX17631CATE+T

IC REG BUCK ADJ 1.5A 16TQFN

Analog Devices Inc./Maxim Integrated

720
MAX17631CATE+T

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.9V 32.4V 1.5A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 16-TQFN (3x3)
MP28258DD-LF-P

MP28258DD-LF-P

IC REG BUCK ADJ 3A 12QFN

Monolithic Power Systems Inc.

404
MP28258DD-LF-P

Datasheet

- 12-TFQFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.2V Buck 20V 0.815V 13V 3A - - Yes - -40°C ~ 85°C (TA) Surface Mount 12-QFN (2x3)
MP28258DD-A-LF-P

MP28258DD-A-LF-P

IC REG BUCK ADJ 3A 12QFN

Monolithic Power Systems Inc.

322
MP28258DD-A-LF-P

Datasheet

- 12-TFQFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.2V Buck 20V 0.815V 13V 3A - - Yes - -40°C ~ 85°C (TA) Surface Mount 12-QFN (2x3)
LM26003QMHX/NOPB

LM26003QMHX/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

1,508
LM26003QMHX/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 38V 1.236V 35V 3A 150kHz ~ 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
NCV6356QMTWTXG

NCV6356QMTWTXG

IC REG BUCK 0.6V 6.8A 14WDFNW

onsemi

3,000
NCV6356QMTWTXG

Datasheet

- 14-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 0.6V - 6.8A Up to 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 14-WDFNW (4x3)
BD9327EFJ-E2

BD9327EFJ-E2

IC REG BUCK ADJ 4A 8TSOP

Rohm Semiconductor

178
BD9327EFJ-E2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.75V Buck 18V 0.9V 16.2V 4A 380kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-TSOP
TPS65276VDAPR

TPS65276VDAPR

IC REG BUCK PROG DL 32HTSSOP

Texas Instruments

1,636
TPS65276VDAPR

Datasheet

- 32-PowerTSSOP (0.240", 6.10mm Width) Tape & Reel (TR) Active Step-Down Positive Programmable 2 4.5V Buck 18V 0.68V 1.95V 6A, 3.5A 200kHz ~ 1.6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 32-HTSSOP
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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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