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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
TPS62180YZFT

TPS62180YZFT

IC REG BUCK ADJ 6A 24DSBGA

Texas Instruments

4,641
TPS62180YZFT

Datasheet

- 24-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 15V 0.9V 6V 6A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-DSBGA
LM2576T-005G

LM2576T-005G

IC REG BUCK 5V 3A TO220-5

onsemi

294
LM2576T-005G

Datasheet

- TO-220-5 Tube Active Step-Down Positive or Negative Fixed 1 7V Buck 40V 5V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LTC3309AIV#TRPBF

LTC3309AIV#TRPBF

IC REG BUCK PROG 6A 12LQFN

Analog Devices Inc.

5,645
LTC3309AIV#TRPBF

Datasheet

Silent Switcher®1 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.25V Buck 5.5V 0.5V 2.25V 6A Up to 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x2)
TPS65266RHBR

TPS65266RHBR

IC REG BCK ADJ 3A/2A TRPL 32VQFN

Texas Instruments

4,521
TPS65266RHBR

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 2.7V Buck 6.5V 0.6V 6.5V 3A, 2A 250kHz ~ 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-VQFN (5x5)
LM26003MHX/NOPB

LM26003MHX/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

2,383
LM26003MHX/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 - No - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LM63635DQDRRRQ1

LM63635DQDRRRQ1

IC REG BUCK ADJ 3.25A 12WSON

Texas Instruments

1,899
LM63635DQDRRRQ1

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 32V 1V 20V 3.25A 250kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-WSON (3x3)
LM5166YDRCR

LM5166YDRCR

IC REG BUCK 3.3V 500MA 10VSON

Texas Instruments

14,022
LM5166YDRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 65V 3.3V - 500mA 50kHz ~ 600kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LM5166XDRCR

LM5166XDRCR

IC REG BUCK 5V 500MA 10VSON

Texas Instruments

9,236
LM5166XDRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 65V 5V - 500mA 50kHz ~ 600kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
MP3422GG-P

MP3422GG-P

IC REG BOOST ADJ 6.5A 14QFN

Monolithic Power Systems Inc.

1,446
MP3422GG-P

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.9V Boost 5.5V 2.5V 5.5V 6.5A (Switch) 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-QFN (2x2)
LM2575T-5G

LM2575T-5G

IC REG BUCK 5V 1A TO220-5

onsemi

385
LM2575T-5G

Datasheet

- TO-220-5 Tube Active Step-Down Positive Fixed 1 4.75V Buck 40V 5V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
AP1501-50K5G-13

AP1501-50K5G-13

IC REG BUCK 5V 3A TO263-5

Diodes Incorporated

2,515
AP1501-50K5G-13

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 3A 150kHz - No - -20°C ~ 85°C (TA) Surface Mount TO-263-5
LM2574N-ADJ/NOPB

LM2574N-ADJ/NOPB

IC REG BUCK ADJ 500MA 8PDIP

Texas Instruments

880
LM2574N-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 1.23V 37V 500mA 52kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
LM2575T-ADJ/NOPB

LM2575T-ADJ/NOPB

IC REG BUCK ADJ 1A TO220-5

Texas Instruments

844
LM2575T-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 1.23V 37V 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2575T-5.0/LF03

LM2575T-5.0/LF03

IC REG BUCK 5V 1A TO220-5

Texas Instruments

832
LM2575T-5.0/LF03

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4V Buck 40V 5V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2574N-12/NOPB

LM2574N-12/NOPB

IC REG BUCK 12V 500MA 8PDIP

Texas Instruments

745
LM2574N-12/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 4V Buck 40V 12V - 500mA 52kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
TPS54060ADRCT

TPS54060ADRCT

IC REG BCK SPLIT RAIL ADJ 10VSON

Texas Instruments

586
TPS54060ADRCT

Datasheet

SWIFT™, Eco-Mode™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck, Split Rail 60V 0.8V 58V 500mA 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LM2596TVADJG

LM2596TVADJG

IC REG BUCK BOOST ADJ 3A TO220-5

onsemi

528
LM2596TVADJG

Datasheet

- TO-220-5 Formed Leads Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 4.5V Buck, Boost, Buck-Boost 40V 1.23V 37V 3A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2575T-12/NOPB

LM2575T-12/NOPB

IC REG BUCK 12V 1A TO220-5

Texas Instruments

504
LM2575T-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Tube Active Step-Down Positive Fixed 1 4V Buck 40V 12V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
RT6236AHGQUF

RT6236AHGQUF

IC REG BUCK ADJ 6A 13UQFN

Richtek USA Inc.

16,256
RT6236AHGQUF

Datasheet

ACOT™ 13-UFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.7V 8V 6A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 13-UQFN (2x3)
MP4415AGQB-Z

MP4415AGQB-Z

IC REG BUCK ADJ 1.5A 13QFN

Monolithic Power Systems Inc.

4,950
MP4415AGQB-Z

Datasheet

MP 13-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 30.6V 1.5A 450kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 13-QFN (2.5x3)
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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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