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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
MPQ4423HGQ-P

MPQ4423HGQ-P

IC REG BUCK ADJ 3A 8QFN

Monolithic Power Systems Inc.

1,628
MPQ4423HGQ-P

Datasheet

- 8-VDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 32.4V 3A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-QFN (3x3)
MPQ9840GLE-AEC1-P

MPQ9840GLE-AEC1-P

IC REG BUCK ADJ 3.5A 16QFN

Monolithic Power Systems Inc.

956
MPQ9840GLE-AEC1-P

Datasheet

MPQ 16-VQFN 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, Wettable Flank 16-QFN (3x4)
MP8795GLE-P

MP8795GLE-P

IC REG BUCK ADJ 15A 21QFN

Monolithic Power Systems Inc.

490
MP8795GLE-P

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 16V 0.6V 5.5V 15A 600kHz, 800kHz, 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 21-QFN (3x4)
LM53600NQDSXTQ1

LM53600NQDSXTQ1

IC REG BUCK 3.3V 650MA 10WSON

Texas Instruments

1,884
LM53600NQDSXTQ1

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.8V Buck 36V 3.3V - 650mA 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 10-WSON (3x3)
LM2854MHX-500/NOPB

LM2854MHX-500/NOPB

IC REG BUCK ADJ 4A 16HTSSOP

Texas Instruments

414
LM2854MHX-500/NOPB

Datasheet

PowerWise™, SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 5.5V 0.8V 5V 4A 525kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-HTSSOP
LM43601AQPWPTQ1

LM43601AQPWPTQ1

IC REG BUCK ADJ 1A 16HTSSOP

Texas Instruments

236
LM43601AQPWPTQ1

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 36V 1V 28V 1A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LTC3624IMSE-2#PBF

LTC3624IMSE-2#PBF

IC REG BUCK ADJ 2A 12MSOP

Analog Devices Inc.

3,870
LTC3624IMSE-2#PBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.7V Buck 17V 0.6V 17V 2A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
2D-024-010A-QFN32-C

2D-024-010A-QFN32-C

IC REG BUCK 48V/12V DL 32QFN

Helix Semiconductors

2,957
2D-024-010A-QFN32-C

Datasheet

MxC® 200 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 2 20V Buck 57V 48V, 12V - 300mA, 1A 95kHz - No - 0°C ~ 70°C Surface Mount 32-QFN (5x5)
2D-048-015A-QFN32-C

2D-048-015A-QFN32-C

IC REG BUCK 24V/12V TRPL 32QFN

Helix Semiconductors

2,593
2D-048-015A-QFN32-C

Datasheet

MxC® 200 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 3 20V Buck 57V 24V, 12V, 12V - 650mA, 1A, 1A 95kHz - No - 0°C ~ 70°C Surface Mount 32-QFN (5x5)
TPS54917RUVR

TPS54917RUVR

IC REG BUCK ADJ 9A 34VQFN

Texas Instruments

3,001
TPS54917RUVR

Datasheet

SWIFT™ 34-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 4V 0.891V 3.6V 9A 350kHz, 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 34-VQFN (7x3.5)
LM2590HVSX-5.0/NOPB

LM2590HVSX-5.0/NOPB

IC REG BUCK 5V 1A TO263

Texas Instruments

1,548
LM2590HVSX-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 60V 5V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
ISL8009AIRZ-T

ISL8009AIRZ-T

IC REG BUCK ADJ 1.5A 8DFN

Renesas Electronics Corporation

9,745
ISL8009AIRZ-T

Datasheet

- 8-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 5.5V 1.5A 1.6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (2x3)
LP8758A1B0YFFR

LP8758A1B0YFFR

IC REG BUCK PROG 16A 35DSBGA

Texas Instruments

8,900
LP8758A1B0YFFR

Datasheet

- 35-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.5V Buck 5.5V 0.5V 3.36V 16A 3.3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 35-DSBGA (2.88x2.13)
LP8758A2E3YFFR

LP8758A2E3YFFR

IC REG BUCK ADJ 4A QUAD 35DSBGA

Texas Instruments

5,960
LP8758A2E3YFFR

Datasheet

- 35-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 4 2.5V Buck 5.5V 0.5V 3.36V 4A 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 35-DSBGA (2.88x2.13)
LM2596T-3.3/LF03

LM2596T-3.3/LF03

IC REG BUCK 3.3V 3A TO220-5

Texas Instruments

4,186
LM2596T-3.3/LF03

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Bulk Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 3A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
MPQ8632GLE-6-Z

MPQ8632GLE-6-Z

IC REG BUCK ADJ 6A 16QFN

Monolithic Power Systems Inc.

9,751
MPQ8632GLE-6-Z

Datasheet

- 16-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.611V 13V 6A 200kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
MP2227DQ-LF-P

MP2227DQ-LF-P

IC REG BUCK ADJ 3A 10QFN

Monolithic Power Systems Inc.

397
MP2227DQ-LF-P

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 3V Buck 24V 0.8V 21.6V 3A 1.3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-QFN (3x3)
LMR23630APDRRT

LMR23630APDRRT

IC REG BUCK ADJ 3A 12SON

Texas Instruments

993
LMR23630APDRRT

Datasheet

SIMPLE SWITCHER® 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1V 28V 3A 400kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-SON (3x3)
MP2365DN-LF-Z

MP2365DN-LF-Z

IC REG BUCK ADJ 3A 8SOIC

Monolithic Power Systems Inc.

2,327
MP2365DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.75V Buck 28V 0.92V 21V 3A 1.4MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC-EP
MAX20457ATIG/VY+

MAX20457ATIG/VY+

IC REG BUCK 1V/1V DL 28TQFN

Analog Devices Inc./Maxim Integrated

960
MAX20457ATIG/VY+

Datasheet

- 28-WFQFN Exposed Pad Tray Active Step-Down Positive Fixed 2 3.5V Buck 36V 1V (3.3V), 1V (5V) 14V, 14V - 2.1MHz - Yes - -40°C ~ 125°C Surface Mount, Wettable Flank 28-TQFN (5x5)
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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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