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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
MP8756GD-P

MP8756GD-P

IC REG BUCK ADJ 6A 12QFN

Monolithic Power Systems Inc.

1,272
MP8756GD-P

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 26V 0.6V 5.5V 6A 700kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-QFN (2x3)
TPS652510RHAR

TPS652510RHAR

IC REG BCK ADJ 3A/2A TRPL 40VQFN

Texas Instruments

13,580
TPS652510RHAR

Datasheet

- 40-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4.5V Buck 16V 0.8V 16V 3A, 2A 300kHz ~ 2.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 40-VQFN (6x6)
TPS65251-1RHAR

TPS65251-1RHAR

IC REG BCK ADJ 3A/2A TRPL 40VQFN

Texas Instruments

4,749
TPS65251-1RHAR

Datasheet

- 40-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4.5V Buck 18V 0.8V 17V 3A, 2A 300kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-VQFN (6x6)
TPS65250RHAR

TPS65250RHAR

IC REG BCK ADJ 3A/2A TRPL 40VQFN

Texas Instruments

4,069
TPS65250RHAR

Datasheet

- 40-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4.5V Buck 18V 0.8V 17.1V 3A, 2A 300kHz ~ 2.2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 40-VQFN (6x6)
TPS65253RHDR

TPS65253RHDR

IC REG BUCK ADJ DL 28VQFN

Texas Instruments

1,192
TPS65253RHDR

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 16V 0.8V 15V 3.5A, 2.5A 300kHz ~ 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-VQFN (5x5)
MP2325GJ-P

MP2325GJ-P

IC REG BUCK ADJ 3A TSOT23-8

Monolithic Power Systems Inc.

13,560
MP2325GJ-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 24V 0.8V 22.8V 3A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
MAX17630CATE+

MAX17630CATE+

IC REG BUCK ADJ 1A 16TQFN

Analog Devices Inc./Maxim Integrated

2,328
MAX17630CATE+

Datasheet

- 16-WFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.9V 32.4V 1A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 16-TQFN (3x3)
MP4420GJ-P

MP4420GJ-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

954
MP4420GJ-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 30V 0.8V 27V 2A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
TPS54494RSAT

TPS54494RSAT

IC REG BUCK ADJ 4A/2A DL 16QFN

Texas Instruments

530
TPS54494RSAT

Datasheet

D-CAP2™, Eco-Mode™ 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 4A, 2A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
LM5165DRCT

LM5165DRCT

IC REG BUCK ADJ 150MA 10VSON

Texas Instruments

5,546
LM5165DRCT

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 65V 1.223V 65V 150mA Up to 600kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LM5165XDRCT

LM5165XDRCT

IC REG BUCK 5V 150MA 10VSON

Texas Instruments

3,901
LM5165XDRCT

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 65V 5V - 150mA Up to 600kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
TC962COE713

TC962COE713

IC REG CHRG PUMP INV 80MA 16SOIC

Microchip Technology

3,517
TC962COE713

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 3V Charge Pump 18V -Vin, 2Vin, Vin/2 - 80mA 12kHz ~ 24kHz - No - 0°C ~ 70°C (TA) Surface Mount 16-SOIC
LM5165YDRCT

LM5165YDRCT

IC REG BUCK 3.3V 150MA 10VSON

Texas Instruments

2,722
LM5165YDRCT

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 65V 3.3V - 150mA Up to 600kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LM2575SX-12/NOPB

LM2575SX-12/NOPB

IC REG BUCK 12V 1A TO263

Texas Instruments

721
LM2575SX-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 40V 12V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
MP8758HGL-Z

MP8758HGL-Z

IC REG BUCK ADJ 10A 21QFN

Monolithic Power Systems Inc.

13,656
MP8758HGL-Z

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 22V 0.6V 5.5V 10A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 21-QFN (3x4)
LMR23625CFPDRRT

LMR23625CFPDRRT

IC REG BUCK ADJ 2.5A 12SON

Texas Instruments

6,455
LMR23625CFPDRRT

Datasheet

SIMPLE SWITCHER® 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 1V 28V 2.5A 2.1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-SON (3x3)
MP3213DQ-LF-Z

MP3213DQ-LF-Z

IC REG BOOST ADJ 3.5A 10QFN

Monolithic Power Systems Inc.

1,167
MP3213DQ-LF-Z

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 22V 3V 22V 3.5A 700kHz, 1.3MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-QFN (3x3)
ISL9110IRTNZ

ISL9110IRTNZ

IC REG BUCK BST 3.3V 1.2A 12TDFN

Renesas Electronics Corporation

1,145
ISL9110IRTNZ

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Fixed 1 1.8V Buck-Boost 5.5V 3.3V - 1.2A 2.5MHz - Yes - -40°C ~ 85°C Surface Mount 12-TDFN (3x3)
TPS54623RHLT

TPS54623RHLT

IC REG BUCK ADJ 6A 14VQFN

Texas Instruments

427
TPS54623RHLT

Datasheet

SWIFT™ 14-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.6V 15V 6A 200kHz ~ 1.6MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 14-VQFN (3.5x3.5)
LM2578AN/NOPB

LM2578AN/NOPB

IC REG BUCK BOOST 750MA 8PDIP

Texas Instruments

3,095
LM2578AN/NOPB

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up, Step-Down Positive or Negative - 1 2V Buck, Boost 40V - - 750mA (Switch) 20kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
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Frequently Asked Questions

Voltage Regulators - DC DC Switching Regulators Overview

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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