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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
AP64502SP-13

AP64502SP-13

IC REG BUCK ADJ 5A 8SO

Diodes Incorporated

1,046
AP64502SP-13

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 40V 0.8V 40V 5A 500kHz, 100kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 85°C (TA) Surface Mount 8-SO-EP
LM2611BMFX/NOPB

LM2611BMFX/NOPB

IC REG CUK ADJ 900MA SOT23-5

Texas Instruments

28,425
LM2611BMFX/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
TPS613783QWRTERQ1

TPS613783QWRTERQ1

IC REG BOOST ADJ 16WQFN

Texas Instruments

8,178
TPS613783QWRTERQ1

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 14V 4V 18.5V - 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 16-WQFN (3x3)
TPS65131RGET

TPS65131RGET

IC REG BUCK BOOST ADJ DL 24VQFN

Texas Instruments

4,312
TPS65131RGET

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive and Negative (Dual Rail) Adjustable 2 2.7V Boost, Buck-Boost 5.5V 3.2V, -2V 15V, -15V 1.8A (Switch) 1.38MHz - No - -40°C ~ 85°C (TA) Surface Mount 24-VQFN (4x4)
LMR12020XSD/NOPB

LMR12020XSD/NOPB

IC REG BUCK ADJ 2A 10WSON

Texas Instruments

2,245
LMR12020XSD/NOPB

Datasheet

SIMPLE SWITCHER® 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 20V 1V 18V 2A 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-WSON (3x3)
MP3437GJ-P

MP3437GJ-P

IC REG BOOST PROG 9.5A TSOT23-8

Monolithic Power Systems Inc.

1,951
MP3437GJ-P

Datasheet

MP SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Up Positive Programmable 1 0.8V Boost 16V 0.8V 16V 9.5A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
MP2149GJ-P

MP2149GJ-P

IC REG BUCK ADJ 1A DL TSOT23-8

Monolithic Power Systems Inc.

642
MP2149GJ-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.7V Buck 6V 0.608V 5.5V 1A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
LM2574DW-ADJR2G

LM2574DW-ADJR2G

IC REG BUCK BST ADJ 500MA 16SOIC

onsemi

2,206
LM2574DW-ADJR2G

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 4.75V Buck, Boost, Buck-Boost 40V 1.23V 37V 500mA 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-SOIC
TC682EOA

TC682EOA

IC REG CHRG PUMP INV 10MA 8SOIC

Microchip Technology

443
TC682EOA

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Negative Fixed 1 2.4V Charge Pump 5.5V -2Vin - 10mA 12kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LM2574N-12G

LM2574N-12G

IC REG BUCK BST 12V 500MA 8PDIP

onsemi

419
LM2574N-12G

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 4.75V Buck, Boost, Buck-Boost 40V 12V - 500mA 52kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
MAX42403AFLB+

MAX42403AFLB+

IC REG BUCK ADJ 3.5A 15FC2QFN

Analog Devices Inc./Maxim Integrated

367
MAX42403AFLB+

Datasheet

- 15-PowerWFQFN Tray Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 12V 3.5A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 15-FC2QFN (3x3)
TPS61032PWPR

TPS61032PWPR

IC REG BOOST 5V 3.6A 16HTSSOP

Texas Instruments

4,306
TPS61032PWPR

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Up Positive Fixed 1 1.8V Boost 5.5V 5V - 3.6A (Switch) 600kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-HTSSOP
MP4569GN-Z

MP4569GN-Z

IC REG BUCK ADJ 300MA 8SOIC

Monolithic Power Systems Inc.

6,669
MP4569GN-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 75V 1V 67.5V 300mA 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
A5975DTR

A5975DTR

IC REG BUCK ADJ 3A 8HSOP

STMicroelectronics

6,250
A5975DTR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1.235V 35V 3A 250kHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-HSOP
LM2738YMY/NOPB

LM2738YMY/NOPB

IC REG BUCK ADJ 1.5A 8HVSSOP

Texas Instruments

2,752
LM2738YMY/NOPB

Datasheet

- 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 20V 0.8V 18V 1.5A 550kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-HVSSOP
LM5009AMM/NOPB

LM5009AMM/NOPB

IC REG BUCK ADJ 150MA 8VSSOP

Texas Instruments

1,096
LM5009AMM/NOPB

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 95V 2.5V 85V 150mA 50kHz ~ 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-VSSOP
LM2841YMK-ADJL/NOPB

LM2841YMK-ADJL/NOPB

IC REG BUCK ADJ 300MA TSOT23-6

Texas Instruments

771
LM2841YMK-ADJL/NOPB

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.765V 34V 300mA 1.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
TPS54526PWP

TPS54526PWP

IC REG BUCK ADJ 5.5A 14HTSSOP

Texas Instruments

470
TPS54526PWP

Datasheet

D-CAP2™, Eco-Mode™ 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 5.5V 5.5A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-HTSSOP
TPS61089RNRT

TPS61089RNRT

IC REG BOOST ADJ 7A 11VQFN

Texas Instruments

3,647
TPS61089RNRT

Datasheet

- 11-VFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.7V Boost 12V 4.5V 12.6V 7A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 11-VQFN-HR (2.5x2)
RT6204GSP

RT6204GSP

IC REG BUCK ADJ 500MA 8SOP

Richtek USA Inc.

72,523
RT6204GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5.2V Buck 60V 0.8V 50V 500mA 350kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
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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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