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
TPS54620RGYR

TPS54620RGYR

IC REG BUCK ADJ 6A 14VQFN

Texas Instruments

1,946
TPS54620RGYR

Datasheet

SWIFT™ 14-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.8V 15V 6A 200kHz ~ 1.6MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 14-VQFN (3.5x3.5)
LM2576D2TR4-012G

LM2576D2TR4-012G

IC REG BUCK 12V 3A D2PAK-5

onsemi

2,755
LM2576D2TR4-012G

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive or Negative Fixed 1 7V Buck 40V 12V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount D2PAK-5
LM22676MRE-ADJ/NOPB

LM22676MRE-ADJ/NOPB

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

4,096
LM22676MRE-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 1.285V 37V 3A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM73605RNPR

LM73605RNPR

IC REG BUCK ADJ 5A 30WQFN

Texas Instruments

3,164
LM73605RNPR

Datasheet

- 30-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 36V 1V 34.2V 5A 350kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 30-WQFN (6x4)
LM22676MR-5.0/NOPB

LM22676MR-5.0/NOPB

IC REG BUCK 5V 3A 8SOPWR

Texas Instruments

2,771
LM22676MR-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 3A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM22676MRE-5.0/NOPB

LM22676MRE-5.0/NOPB

IC REG BUCK 5V 3A 8SOPWR

Texas Instruments

2,761
LM22676MRE-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 3A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
MP4560DN-LF-Z

MP4560DN-LF-Z

IC REG BUCK ADJ 2A 8SOIC

Monolithic Power Systems Inc.

1,353
MP4560DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 55V 0.8V 52V 2A Up to 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
TDA387400000AUMA1

TDA387400000AUMA1

IC REG BUCK ADJ 40A IQFN-36

Infineon Technologies

112
TDA387400000AUMA1

Datasheet

- 36-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 17V 0.25V 5.12V 40A 400kHz ~ 2MHz - Yes Automotive -40°C ~ 125°C (TJ) Surface Mount PG-IQFN-36-3
RAA211630GNP#HA0

RAA211630GNP#HA0

IC REG BUCK ADJ 3A 20QFN

Renesas Electronics Corporation

11,348
RAA211630GNP#HA0

Datasheet

- 20-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.8V 54V 3A 400kHz, 200kHz ~ 800kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3.5x4)
LM2675M-5.0/NOPB

LM2675M-5.0/NOPB

IC REG BUCK 5V 1A 8SOIC

Texas Instruments

5,164
LM2675M-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 6.5V Buck 40V 5V - 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2675M-ADJ/NOPB

LM2675M-ADJ/NOPB

IC REG BUCK ADJ 1A 8SOIC

Texas Instruments

4,153
LM2675M-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 6.5V Buck 40V 1.21V 37V 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2675M-12/NOPB

LM2675M-12/NOPB

IC REG BUCK 12V 1A 8SOIC

Texas Instruments

3,387
LM2675M-12/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 6.5V Buck 40V 12V - 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2675M-3.3/NOPB

LM2675M-3.3/NOPB

IC REG BUCK 3.3V 1A 8SOIC

Texas Instruments

821
LM2675M-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 6.5V Buck 40V 3.3V - 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
MPQ4571GQB-AEC1-Z

MPQ4571GQB-AEC1-Z

IC REG BUCK ADJ 1A 12QFN

Monolithic Power Systems Inc.

9,233
MPQ4571GQB-AEC1-Z

Datasheet

MPQ 12-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1V 54V 1A 400kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 12-QFN (2.5x3)
MP2131GG-Z

MP2131GG-Z

IC REG BUCK ADJ 4A 12QFN

Monolithic Power Systems Inc.

8,102
MP2131GG-Z

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.5V 4A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-QFN (2x2)
MP8794GLE-Z

MP8794GLE-Z

IC REG BUCK ADJ 20A 21QFN

Monolithic Power Systems Inc.

2,386
MP8794GLE-Z

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 16V 0.6V 5.5V 20A 600kHz, 800kHz, 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 21-QFN (3x4)
MAX17571ATC+

MAX17571ATC+

IC REG BUCK ADJ 1.5A 12TDFN

Analog Devices Inc./Maxim Integrated

952
MAX17571ATC+

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 60V 0.9V 54V 1.5A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
LM2672M-ADJ/NOPB

LM2672M-ADJ/NOPB

IC REG BUCK ADJ 1A 8SOIC

Texas Instruments

4,920
LM2672M-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 6.5V Buck 40V 1.21V 37V 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2672M-5.0/NOPB

LM2672M-5.0/NOPB

IC REG BUCK 5V 1A 8SOIC

Texas Instruments

4,757
LM2672M-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 6.5V Buck 40V 5V - 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
L4973D5.1-013TR

L4973D5.1-013TR

IC REG BUCK ADJ/5.1V 3.5A 20SO

STMicroelectronics

2,307
L4973D5.1-013TR

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 8V Buck 55V 5.1V (5.1V) 50V 3.5A 100kHz ~ 300kHz - No - -40°C ~ 150°C (TJ) Surface Mount 20-SO
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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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