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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
MPQ2177AGQHE-AEC1-Z

MPQ2177AGQHE-AEC1-Z

IC REG BUCK ADJ 1A 8QFN

Monolithic Power Systems Inc.

2,456
MPQ2177AGQHE-AEC1-Z

Datasheet

- 8-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5V 1A 2.4MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 8-QFN (2x1.5)
MP2324GJ-P

MP2324GJ-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

1,138
MP2324GJ-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 2A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
LM5018SD/NOPB

LM5018SD/NOPB

IC REG BUCK ADJ 300MA 8WSON

Texas Instruments

1,451
LM5018SD/NOPB

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive, Isolation Capable Adjustable 1 7.5V Buck 100V 1.225V 90V 300mA Adj to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
LM2671MX-3.3/NOPB

LM2671MX-3.3/NOPB

IC REG BUCK 3.3V 500MA 8SOIC

Texas Instruments

4,854
LM2671MX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 6.5V Buck 40V 3.3V - 500mA 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2575D2T-5R4G

LM2575D2T-5R4G

IC REG BUCK 5V 1A D2PAK-5

onsemi

1,688
LM2575D2T-5R4G

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.75V Buck 40V 5V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount D2PAK-5
TPS543A26RYSR

TPS543A26RYSR

IC REG BUCK ADJ 16A 17WQFN

Texas Instruments

644
TPS543A26RYSR

Datasheet

- 17-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 18V Buck 18V 0.5V 7V 16A 500kHz, 750kHz, 1MHz, 1.5MHz, 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 17-WQFN-FCRLF (2.5x4.5)
MP8759GD-Z

MP8759GD-Z

IC REG BUCK ADJ 8A 12QFN

Monolithic Power Systems Inc.

13,459
MP8759GD-Z

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 26V 0.6V 5.5V 8A 700kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-QFN (2x3)
MP2229GQ-P

MP2229GQ-P

IC REG BUCK ADJ 6A 14QFN

Monolithic Power Systems Inc.

5,116
MP2229GQ-P

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 21V 0.6V 19.95V 6A 300kHz ~ 1.8MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-QFN (3x3)
A5970ADTR

A5970ADTR

IC REG BUCK ADJ 1A 8SOIC

STMicroelectronics

1,069
A5970ADTR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1.235V 36V 1A 500kHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
LM2575D2T-12R4G

LM2575D2T-12R4G

IC REG BUCK 12V 1A D2PAK-5

onsemi

501
LM2575D2T-12R4G

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.75V Buck 40V 12V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount D2PAK-5
MP9843GL-Z

MP9843GL-Z

IC REG BUCK ADJ 3A 16QFN

Monolithic Power Systems Inc.

4,037
MP9843GL-Z

Datasheet

MP 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 3A 350kHz ~ 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
MP2386GG-P

MP2386GG-P

IC REG BUCK ADJ 8A 11QFN

Monolithic Power Systems Inc.

293
MP2386GG-P

Datasheet

- 11-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 24V 0.6V 13V 8A 700kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 11-QFN (2x2)
TDA38825XUMA1

TDA38825XUMA1

IC REG BUCK ADJ 20A TSNP-21-1

Infineon Technologies

4,987
TDA38825XUMA1

Datasheet

- 21-PowerUFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 16V 0.6V 5.5V 20A 600kHz, 800kHz, 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount PG-TSNP-21-1
TPS57060QDGQRQ1

TPS57060QDGQRQ1

IC REG BUCK ADJ 500MA 10HVSSOP

Texas Instruments

3,581
TPS57060QDGQRQ1

Datasheet

Eco-Mode™ 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 60V 0.8V 58V 500mA 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 10-HVSSOP
LM22674MR-5.0/NOPB

LM22674MR-5.0/NOPB

IC REG BUCK 5V 500MA 8SOPWR

Texas Instruments

996
LM22674MR-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 500mA 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM22674MRE-ADJ/NOPB

LM22674MRE-ADJ/NOPB

IC REG BUCK ADJ 500MA 8SOPWR

Texas Instruments

900
LM22674MRE-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 500mA 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM20123MH/NOPB

LM20123MH/NOPB

IC REG BUCK ADJ 3A 16HTSSOP

Texas Instruments

396
LM20123MH/NOPB

Datasheet

PowerWise® 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 2.95V Buck 5.5V 0.8V 4.68V 3A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
TPS54240QDGQRQ1

TPS54240QDGQRQ1

IC REG BCK SPLIT RAIL ADJ 10SSOP

Texas Instruments

4,346
TPS54240QDGQRQ1

Datasheet

Eco-Mode™ 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck, Split Rail 42V 0.8V 39V 2.5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TA) Surface Mount 10-HVSSOP
TPS51367RVER

TPS51367RVER

IC REG BUCK ADJ 12A 28VQFN

Texas Instruments

4,441
TPS51367RVER

Datasheet

D-CAP2™ 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 3V Buck 22V 0.6V (1.05V, 1.2V, 1.35V, 1.5V) 2V 12A 400kHz, 800kHz - Yes - -10°C ~ 85°C (TA) Surface Mount 28-VQFN-CLIP (4.5x3.5)
LM26420XMHX/NOPB

LM26420XMHX/NOPB

IC REG BUCK ADJ 2A DL 20HTSSOP

Texas Instruments

3,808
LM26420XMHX/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3V Buck 5.5V 0.8V 4.5V 2A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
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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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