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
LM61430AFSQRJRRQ1

LM61430AFSQRJRRQ1

IC REG BUCK ADJ 3A 14VQFN

Texas Instruments

2,130
LM61430AFSQRJRRQ1

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 36V 1V 34.2V 3A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-VQFN-HR (4x3.5)
TPS60130PWPR

TPS60130PWPR

IC REG CHARGE PUMP 5V 20HTSSOP

Texas Instruments

3,877
TPS60130PWPR

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.7V Charge Pump 5.4V 5V - 300mA 320kHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
TPS54340DDAR

TPS54340DDAR

IC REG BUCK ADJ 3.5A 8SOPWR

Texas Instruments

3,045
TPS54340DDAR

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 42V 0.8V 41.1V 3.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
LM2576SX-ADJ/NOPB

LM2576SX-ADJ/NOPB

IC REG BUCK ADJ 3A TO263

Texas Instruments

1,420
LM2576SX-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 1.23V 37V 3A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2576S-12/NOPB

LM2576S-12/NOPB

IC REG BUCK 12V 3A TO263

Texas Instruments

625
LM2576S-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4V Buck 40V 12V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
MP3429GL-Z

MP3429GL-Z

IC REG BOOST ADJ 13QFN

Monolithic Power Systems Inc.

10,953
MP3429GL-Z

Datasheet

- 13-PowerVFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.8V Boost 13V 0.8V 16V - 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 13-QFN (3x4)
MP4423GQ-Z

MP4423GQ-Z

IC REG BUCK ADJ 3A 8QFN

Monolithic Power Systems Inc.

7,585
MP4423GQ-Z

Datasheet

- 8-VDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 30V 0.8V 27V 3A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-QFN (3x3)
LM5005MHX/NOPB

LM5005MHX/NOPB

IC REG BUCK ADJ 2.5A 20HTSSOP

Texas Instruments

1,859
LM5005MHX/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7V Buck 75V 1.225V 70V 2.5A 50kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
TPS54610PWPR

TPS54610PWPR

IC REG BUCK ADJ 6A 28HTSSOP

Texas Instruments

4,634
TPS54610PWPR

Datasheet

SWIFT™ 28-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 6V 0.891V 5.4V 6A 350kHz, 550kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-HTSSOP
TPS54350PWPR

TPS54350PWPR

IC REG BUCK ADJ 3A 16HTSSOP

Texas Instruments

1,436
TPS54350PWPR

Datasheet

SWIFT™ 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 20V 0.891V 17.2V 3A 250kHz, 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
SIC463ED-T1-GE3

SIC463ED-T1-GE3

IC REG BCK ADJ POWERPAK MLP55-27

Vishay Siliconix

5,961
SIC463ED-T1-GE3

Datasheet

microBUCK® PowerPAK® MLP55-27 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.8V 55.2V 4A 100kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount PowerPAK® MLP55-27
SC186ULTRT

SC186ULTRT

IC REG BUCK ADJ 4A 16MLPQ

Semtech Corporation

2,827
SC186ULTRT

Datasheet

- 16-UFQFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable (Programmable) 1 2.9V Buck 5.5V 0.8V (0.8V ~ 3.3V) 5.5V 4A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MLPQ-UT (3x3)
LM5574MTX/NOPB

LM5574MTX/NOPB

IC REG BUCK ADJ 500MA 16TSSOP

Texas Instruments

8,474
LM5574MTX/NOPB

Datasheet

SIMPLE SWITCHER® 16-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 75V 1.225V 70V 500mA 50kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP
LM3103MHX/NOPB

LM3103MHX/NOPB

IC REG BUCK ADJ 750MA 16HTSSOP

Texas Instruments

6,342
LM3103MHX/NOPB

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.6V 7V 750mA Up to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM2611BMF/NOPB

LM2611BMF/NOPB

IC REG CUK ADJ 900MA SOT23-5

Texas Instruments

3,188
LM2611BMF/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up/Step-Down Negative Adjustable 1 2.7V Cuk 14V -1.23V -32V 900mA 1.4MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
LM22675MRX-ADJ/NOPB

LM22675MRX-ADJ/NOPB

IC REG BUCK ADJ 1A 8SOPWR

Texas Instruments

2,652
LM22675MRX-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 1A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM22675MRX-5.0/NOPB

LM22675MRX-5.0/NOPB

IC REG BUCK 5V 1A 8SOPWR

Texas Instruments

1,985
LM22675MRX-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 - 1A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM5012QDDARQ1

LM5012QDDARQ1

IC REG BUCK ADJ 2.5A 8SOPWR

Texas Instruments

558
LM5012QDDARQ1

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 100V 1.2V 100V 2.5A Up to 1MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
TPS54260DRCR

TPS54260DRCR

IC REG BUCK ADJ 2.5A 10VSON

Texas Instruments

8,795
TPS54260DRCR

Datasheet

Eco-Mode™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 60V 0.8V 60V 2.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LM5007MM/NOPB

LM5007MM/NOPB

IC REG BUCK ADJ 500MA 8VSSOP

Texas Instruments

678
LM5007MM/NOPB

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 9V Buck 75V 2.5V 73V 500mA - - No - -40°C ~ 125°C (TJ) Surface Mount 8-VSSOP
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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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