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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
LMR16010PDDA

LMR16010PDDA

IC REG BUCK ADJ 1A 8SOPWR

Texas Instruments

222
LMR16010PDDA

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.3V Buck 60V 0.8V 50V 1A 200kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
MAX1682EUK+T

MAX1682EUK+T

IC REG CHARGE PUMP 2VIN SOT23-5

Analog Devices Inc./Maxim Integrated

7,759
MAX1682EUK+T

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Ratiometric Positive Fixed 1 2V Charge Pump 5.5V 2Vin - 45mA 12kHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
ISL97519AIUZ

ISL97519AIUZ

IC REG BOOST ADJ 1.5A 8MSOP

Renesas Electronics Corporation

1,537
ISL97519AIUZ

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable 1 2.3V Boost 5.5V 5V 25V 1.5A (Switch) 620kHz, 1.25MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
LM25011Q1MY/NOPB

LM25011Q1MY/NOPB

IC REG BUCK ADJ 2A 10MSOP

Texas Instruments

3,868
LM25011Q1MY/NOPB

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 42V 2.51V 40V 2A Up to 2MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-PowerPad
LM2594M-ADJ/NOPB

LM2594M-ADJ/NOPB

IC REG BUCK ADJ 500MA 8SOIC

Texas Instruments

3,819
LM2594M-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 40V 1.2V 37V 500mA 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2674M-12/NOPB

LM2674M-12/NOPB

IC REG BUCK 12V 500MA 8SOIC

Texas Instruments

515
LM2674M-12/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 6.5V Buck 40V 12V - 500mA 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2594M-12/NOPB

LM2594M-12/NOPB

IC REG BUCK 12V 500MA 8SOIC

Texas Instruments

167
LM2594M-12/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 12V - 500mA 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM62440BPPQRJRRQ1

LM62440BPPQRJRRQ1

IC REG BUCK ADJ 4A 14VQFN

Texas Instruments

5,960
LM62440BPPQRJRRQ1

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 36V 1V 34.2V 4A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-VQFN-HR (4x3.5)
LM5180NGUR

LM5180NGUR

IC REG FLYBACK ADJ 8WSON

Texas Instruments

7,757
LM5180NGUR

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive and Negative Adjustable 1 4.5V Flyback 65V - - - 10kHz ~ 350kHz - No - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 8-WSON (4x4)
NCV5173EDR2G

NCV5173EDR2G

IC REG BUCK BOOST ADJ 1.5A 8SOIC

onsemi

2,500
NCV5173EDR2G

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 2.7V Buck, Boost, Flyback, Forward Converter, SEPIC 30V 1.276V 27V 1.5A (Switch) 560kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
TPS54A24RTWR

TPS54A24RTWR

IC REG BUCK ADJ 10A 24WQFN

Texas Instruments

7,138
TPS54A24RTWR

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.6V 12V 10A 200kHz ~ 1.6MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 24-WQFN (4x4)
LM51581RTER

LM51581RTER

IC REG BOOST FLYBACK ADJ 16WQFN

Texas Instruments

1,922
LM51581RTER

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1.5V Boost, Flyback, SEPIC 60V 1.5V 83V 1.63A (Switch) 100kHz ~ 2.2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-WQFN (3x3)
TPS5431DDA

TPS5431DDA

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

1,610
TPS5431DDA

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 5.5V Buck 23V 1.221V 20.47V 3A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM2574HVMX-5.0/NOPB

LM2574HVMX-5.0/NOPB

IC REG BUCK 5V 500MA 14SOIC

Texas Instruments

1,150
LM2574HVMX-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 14-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 60V 5V - 500mA 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-SOIC
TPS62871QWRXSRQ1

TPS62871QWRXSRQ1

IC REG BUCK ADJ 9A 16VQFN

Texas Instruments

1,167
TPS62871QWRXSRQ1

Datasheet

- 16-TFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.4V 3.35V 9A 1.5MHz, 2.25MHz, 2.5MHz, 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 16-VQFN (2.55x3.55)
MP2490DQ-LF-Z

MP2490DQ-LF-Z

IC REG BUCK ADJ 1.5A 10QFN

Monolithic Power Systems Inc.

5,366
MP2490DQ-LF-Z

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 15V 1.5A 700kHz - No - -40°C ~ 85°C (TA) Surface Mount 10-QFN (3x3)
MAX17220ALT+T

MAX17220ALT+T

IC REG BOOST ADJ 225MA 6UDFN

Analog Devices Inc./Maxim Integrated

3,397
MAX17220ALT+T

Datasheet

- 6-WDFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.4V Boost 5.5V 1.8V 5V 225mA (Switch) 2.5MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 6-µDFN (2x2)
MP2491NGQB-P

MP2491NGQB-P

IC REG BUCK ADJ 6A 13QFN

Monolithic Power Systems Inc.

180
MP2491NGQB-P

Datasheet

- 13-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 32V 0.5V 30V 6A 540kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 13-QFN (2.5x3)
SIC478ED-T1-GE3

SIC478ED-T1-GE3

IC REG BCK ADJ POWERPAK MLP55-27

Vishay Siliconix

440
SIC478ED-T1-GE3

Datasheet

microBUCK® PowerPAK® MLP55-27 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 55V 0.8V 24V 5A 100kHz ~ 2MHz - Yes - -40°C ~ 105°C (TA) Surface Mount PowerPAK® MLP55-27
LMR36503MSC3RPERQ1

LMR36503MSC3RPERQ1

IC REG BUCK 3.3V 300MA 9VQFN

Texas Instruments

4,938
LMR36503MSC3RPERQ1

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 65V 3.3V - 300mA 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 9-VQFN-HR (2x2)
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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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