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
TS30041-M050QFNR

TS30041-M050QFNR

IC REG BUCK 5V 1A 16QFN

Semtech Corporation

4,229
TS30041-M050QFNR

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 1A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LM2575D2T-ADJG

LM2575D2T-ADJG

IC REG BUCK ADJ 1A D2PAK-5

onsemi

1,420
LM2575D2T-ADJG

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Adjustable 1 4.75V Buck 40V 1.23V 37V 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount D2PAK-5
TPS54618CQRTERQ1

TPS54618CQRTERQ1

IC REG BUCK ADJ 6A 16WQFN

Texas Instruments

7,685
TPS54618CQRTERQ1

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 6V 0.799V 6V 6A 200kHz ~ 2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 16-WQFN (3x3)
LM5157RTER

LM5157RTER

IC REG BOOST FLYBACK ADJ 16WQFN

Texas Instruments

5,199
LM5157RTER

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.9V Boost, Flyback, SEPIC 45V 1.5V 48V 6.5A (Switch) 100kHz ~ 2.2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-WQFN (3x3)
TPS548A28RWWR

TPS548A28RWWR

IC REG BUCK ADJ 15A 21VQFN

Texas Instruments

5,014
TPS548A28RWWR

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 16V 0.6V 5.5V 15A 600kHz, 800kHz, 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 21-VQFN-HR (4x3)
TPS54310PWPR

TPS54310PWPR

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

3,528
TPS54310PWPR

Datasheet

SWIFT™ 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 6V 0.891V 3.3V 3A 350kHz, 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LT1054CDW

LT1054CDW

IC REG CHRG PUMP ADJ/3.5V 16SOIC

Texas Instruments

2,792
LT1054CDW

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tube Active Ratiometric, Step-Up Positive or Negative Adjustable (Fixed) 1 3.5V Charge Pump 15V 3.5V (-Vin, 2Vin) 26.4V 100mA 25kHz - No - 0°C ~ 70°C (TA) Surface Mount 16-SOIC
LMR38020FSQDDARQ1

LMR38020FSQDDARQ1

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

1,164
LMR38020FSQDDARQ1

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 80V 1V 75V 2A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 8-SO PowerPad
TPS54160DGQR

TPS54160DGQR

IC REG BUCK ADJ 1.5A 10HVSSOP

Texas Instruments

6,767
TPS54160DGQR

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 1.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-HVSSOP
TPS5420DR

TPS5420DR

IC REG BUCK ADJ 2A 8SOIC

Texas Instruments

4,299
TPS5420DR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5.5V Buck 36V 1.22V 31V 2A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
TPS54160ADGQR

TPS54160ADGQR

IC REG BUCK ADJ 1.5A 10HVSSOP

Texas Instruments

2,136
TPS54160ADGQR

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 1.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-HVSSOP
LM2575T-ADJG

LM2575T-ADJG

IC REG BUCK ADJ 1A TO220-5

onsemi

1,277
LM2575T-ADJG

Datasheet

- TO-220-5 Tube Active Step-Down Positive Adjustable 1 4.75V Buck 40V 1.23V 37V 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM5017SDX/NOPB

LM5017SDX/NOPB

IC REG BUCK ADJ 600MA 8WSON

Texas Instruments

14,298
LM5017SDX/NOPB

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.5V Buck 100V 1.225V 90V 600mA Adj to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
LM5165XDRCR

LM5165XDRCR

IC REG BUCK 5V 150MA 10VSON

Texas Instruments

8,662
LM5165XDRCR

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)
LM5165YDRCR

LM5165YDRCR

IC REG BUCK 3.3V 150MA 10VSON

Texas Instruments

6,117
LM5165YDRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 65V 3.3V - 150mA Up to 600kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LM5165DRCR

LM5165DRCR

IC REG BUCK ADJ 150MA 10VSON

Texas Instruments

4,624
LM5165DRCR

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)
LM5017MRX/NOPB

LM5017MRX/NOPB

IC REG BUCK ADJ 600MA 8SOPWR

Texas Instruments

3,840
LM5017MRX/NOPB

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.5V Buck 100V 1.225V 90V 600mA Adj to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
TPS54623RHLR

TPS54623RHLR

IC REG BUCK ADJ 6A 14VQFN

Texas Instruments

1,164
TPS54623RHLR

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)
LM2674MX-ADJ/NOPB

LM2674MX-ADJ/NOPB

IC REG BUCK ADJ 500MA 8SOIC

Texas Instruments

16,702
LM2674MX-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 1.2V 37V 500mA 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2594MX-5.0/NOPB

LM2594MX-5.0/NOPB

IC REG BUCK 5V 500MA 8SOIC

Texas Instruments

9,466
LM2594MX-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 500mA 150kHz - 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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