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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
LM53625LQURNLRQ1

LM53625LQURNLRQ1

IC REG BUCK 5V 2.5A 22VQFN

Texas Instruments

6,000
LM53625LQURNLRQ1

Datasheet

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.9V Buck 36V 5V - 2.5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 22-VQFN-HR (5x4)
LM53625NQURNLRQ1

LM53625NQURNLRQ1

IC REG BUCK 3.3V 2.5A 22VQFN

Texas Instruments

6,000
LM53625NQURNLRQ1

Datasheet

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.9V Buck 36V 3.3V - 2.5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 22-VQFN-HR (5x4)
LM25576QMH/NOPB

LM25576QMH/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

978
LM25576QMH/NOPB

Datasheet

SIMPLE SWITCHER® 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 6V Buck 42V 1.225V 40V 3A 50kHz ~ 1MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
MPQ4481GU-AEC1-Z

MPQ4481GU-AEC1-Z

IC REG BUCK 5.17V 3A 26QFN

Monolithic Power Systems Inc.

10,301
MPQ4481GU-AEC1-Z

Datasheet

- 26-PowerVFQFN Tape & Reel (TR) Not For New Designs Step-Down Positive Fixed 1 6V Buck 36V 5.17V - 3A 235kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 26-QFN (5x5)
MPQ4432GL-P

MPQ4432GL-P

IC REG BCK 3.3/3.8/5V 2.2A 16QFN

Monolithic Power Systems Inc.

500
MPQ4432GL-P

Datasheet

- 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.3V Buck 36V 3.3V, 3.8V, 5V - 2.2A 350kHz ~ 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
MAX20461AATJA/V+

MAX20461AATJA/V+

IC REG BUCK ADJ 3A 32TQFN

Analog Devices Inc./Maxim Integrated

980
MAX20461AATJA/V+

Datasheet

- 32-WFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 28V 5V 7V 3A 310kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 32-TQFN (5x5)
MPQ4423GQ-AEC1-P

MPQ4423GQ-AEC1-P

IC REG BUCK ADJ 3A 8QFN

Monolithic Power Systems Inc.

438
MPQ4423GQ-AEC1-P

Datasheet

- 8-VDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 30V 0.8V 27V 3A 410kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 8-QFN (3x3)
TPS65276VRHHT

TPS65276VRHHT

IC REG BUCK PROG DL 36VQFN

Texas Instruments

3,021
TPS65276VRHHT

Datasheet

- 36-VFQFN Exposed Pad 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 36-VQFN (6x6)
TPS54292PWP

TPS54292PWP

IC REG BUCK ADJ DL 16HTSSOP

Texas Instruments

2,151
TPS54292PWP

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Bulk 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
BD9141MUV-E2

BD9141MUV-E2

IC REG BUCK ADJ 2A 20VQFN

Rohm Semiconductor

2,400
BD9141MUV-E2

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 13.2V 2.5V 6V 2A 500kHz - Yes - -40°C ~ 105°C (TA) Surface Mount VQFN020V4040
MPQ9841GLE-5-AEC1-P

MPQ9841GLE-5-AEC1-P

IC REG BUCK 5V 1A 16QFN

Monolithic Power Systems Inc.

1,485
MPQ9841GLE-5-AEC1-P

Datasheet

MPQ 16-VQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.3V Buck 36V 5V - 1A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 16-QFN (3x4)
MPQ9841GLE-AEC1-P

MPQ9841GLE-AEC1-P

IC REG BUCK ADJ 1A 16QFN

Monolithic Power Systems Inc.

340
MPQ9841GLE-AEC1-P

Datasheet

MPQ 16-VQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 1A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 16-QFN (3x4)
MPQ9841GL-AEC1-P

MPQ9841GL-AEC1-P

IC REG BUCK ADJ 1A 16QFN

Monolithic Power Systems Inc.

338
MPQ9841GL-AEC1-P

Datasheet

MPQ 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 1A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
MP4561DQ-LF-P

MP4561DQ-LF-P

IC REG BUCK ADJ 1.5A 10QFN

Monolithic Power Systems Inc.

195
MP4561DQ-LF-P

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 55V 0.8V 52V 1.5A Up to 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-QFN (3x3)
LM2853MH-1.5/NOPB

LM2853MH-1.5/NOPB

IC REG BUCK 1.5V 3A 14HTSSOP

Texas Instruments

350
LM2853MH-1.5/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 3V Buck 5.5V 1.5V - 3A 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
LM2853MH-1.8/NOPB

LM2853MH-1.8/NOPB

IC REG BUCK 1.8V 3A 14HTSSOP

Texas Instruments

150
LM2853MH-1.8/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 3V Buck 5.5V 1.8V - 3A 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
MPQ4432GL-AEC1-Z

MPQ4432GL-AEC1-Z

IC REG BUCK ADJ 2.2A 16QFN

Monolithic Power Systems Inc.

15,000
MPQ4432GL-AEC1-Z

Datasheet

- 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 2.2A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
MPQ2189GQBE-AEC1-Z

MPQ2189GQBE-AEC1-Z

IC REG BUCK PROG 4A 14QFN

Monolithic Power Systems Inc.

5,000
MPQ2189GQBE-AEC1-Z

Datasheet

- 14-VFQFN Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.7V Buck 6V 0.6V 1.235V 4A 850kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 14-QFN (2.5x3)
MAX77816CEWP+T

MAX77816CEWP+T

IC REG BUCK BOOST ADJ 5A 20WLP

Analog Devices Inc./Maxim Integrated

4,977
MAX77816CEWP+T

Datasheet

- 20-WFBGA, WLBGA Tape & Reel (TR) Active Step-Up, Step-Down Positive Adjustable 1 2.3V Buck, Boost 5.5V 2.6V 5.14V 5A 2.5MHz - No - -40°C ~ 85°C Surface Mount 20-WLP (1.83x2.13)
LM46000QPWPRQ1

LM46000QPWPRQ1

IC REG BUCK ADJ 500MA 16HTSSOP

Texas Instruments

4,000
LM46000QPWPRQ1

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 3.5V Buck 60V 1V 28V 500mA 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-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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