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
MP2451DT-LF-Z

MP2451DT-LF-Z

IC REG BUCK ADJ 600MA SOT23-6

Monolithic Power Systems Inc.

7,370
MP2451DT-LF-Z

Datasheet

- SOT-23-6 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 28.8V 600mA 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-6
LM5008AMM/NOPB

LM5008AMM/NOPB

IC REG BUCK ADJ 350MA 8VSSOP

Texas Instruments

5,329
LM5008AMM/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 75V 350mA 50kHz ~ 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-VSSOP
LMR16006YDDCT

LMR16006YDDCT

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

3,748
LMR16006YDDCT

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 60V 0.765V 55V 600mA 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
MP2451DJ-LF-Z

MP2451DJ-LF-Z

IC REG BUCK ADJ 600MA TSOT23-6

Monolithic Power Systems Inc.

2,874
MP2451DJ-LF-Z

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 28.8V 600mA 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
LMR16006XDDCT

LMR16006XDDCT

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

1,227
LMR16006XDDCT

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 60V 0.765V 55V 600mA 700kHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR14030SSQDDAQ1

LMR14030SSQDDAQ1

IC REG BUCK ADJ 3.5A 8SOPWR

Texas Instruments

3,590
LMR14030SSQDDAQ1

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 0.8V 28V 3.5A 200kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LMR16020PDDAR

LMR16020PDDAR

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

3,264
LMR16020PDDAR

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.3V Buck 60V 0.8V 50V 2A 200kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM5166DRCR

LM5166DRCR

IC REG BUCK ADJ 500MA 10VSON

Texas Instruments

2,859
LM5166DRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 65V 1.23V 65V 500mA 50kHz ~ 600kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
TPS543820RPYR

TPS543820RPYR

IC REG BUCK ADJ 8A 14VQFN

Texas Instruments

5,234
TPS543820RPYR

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 0.5V 5.5V 8A 500kHz, 750kHz, 1MHz, 1.5MHz, 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 14-VQFN-HR (2.5x3)
LM5164DDAR

LM5164DDAR

IC REG BUCK ADJ 1A 8SOPWR

Texas Instruments

2,458
LM5164DDAR

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 100V 1.2V 100V 1A Up to 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
LM2575T-5.0/NOPB

LM2575T-5.0/NOPB

IC REG BUCK 5V 1A TO220-5

Texas Instruments

1,858
LM2575T-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 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-5.0/NOPB

LM2574N-5.0/NOPB

IC REG BUCK 5V 500MA 8PDIP

Texas Instruments

1,021
LM2574N-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 4V Buck 40V 5V - 500mA 52kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
LMR23630ADDAR

LMR23630ADDAR

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

2,979
LMR23630ADDAR

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1V 28V 3A 400kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
BD9G201EFJ-LBE2

BD9G201EFJ-LBE2

IC REG BUCK ADJ 1.5A 8HTSOP

Rohm Semiconductor

12,302
BD9G201EFJ-LBE2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.8V 42V 1.5A 250kHz ~ 500kHz - Yes - -40°C ~ 150°C (TA) Surface Mount 8-HTSOP-JES
NCV51411DR2G

NCV51411DR2G

IC REG BUCK ADJ 1.5A 8SOIC

onsemi

7,982
NCV51411DR2G

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 40V 1.27V 38V 1.5A 260kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
RT7273GQW

RT7273GQW

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

Richtek USA Inc.

7,017
RT7273GQW

Datasheet

- 40-WFQFN 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 ~ 85°C (TA) Surface Mount 40-WQFN (6x6)
RTQ2104BGSP-QA

RTQ2104BGSP-QA

IC REG BUCK ADJ 3A 8SOP

Richtek USA Inc.

2,464
RTQ2104BGSP-QA

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 36V 0.8V 36V 3A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 8-SOP-EP
LM5010AMHX/NOPB

LM5010AMHX/NOPB

IC REG BUCK ADJ 1A 14HTSSOP

Texas Instruments

1,421
LM5010AMHX/NOPB

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 75V 2.5V 70V 1A 100kHz ~ 1MHz - No - -40°C ~ 150°C (TJ) Surface Mount 14-HTSSOP
LM2671MX-5.0/NOPB

LM2671MX-5.0/NOPB

IC REG BUCK 5V 500MA 8SOIC

Texas Instruments

6,035
LM2671MX-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 6.5V Buck 40V 5V - 500mA 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2671MX-ADJ/NOPB

LM2671MX-ADJ/NOPB

IC REG BUCK ADJ 500MA 8SOIC

Texas Instruments

5,293
LM2671MX-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.5V Buck 40V 1.21V 37V 500mA 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
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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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