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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
LM2852XMXA-3.3/NOPB

LM2852XMXA-3.3/NOPB

IC REG BUCK 3.3V 2A 14HTSSOP

Texas Instruments

415
LM2852XMXA-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 2.85V Buck 5.5V 3.3V - 2A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
LM2852YMXA-1.2/NOPB

LM2852YMXA-1.2/NOPB

IC REG BUCK 1.2V 2A 14HTSSOP

Texas Instruments

311
LM2852YMXA-1.2/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 2.85V Buck 5.5V 1.2V - 2A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
LM2852XMXA-1.2/NOPB

LM2852XMXA-1.2/NOPB

IC REG BUCK 1.2V 2A 14HTSSOP

Texas Instruments

226
LM2852XMXA-1.2/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 2.85V Buck 5.5V 1.2V - 2A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
LMR36506MSCQRPERQ1

LMR36506MSCQRPERQ1

IC REG BUCK ADJ 600MA 9VQFN

Texas Instruments

5,233
LMR36506MSCQRPERQ1

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 65V 1V 65V 600mA 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 9-VQFN-HR (2x2)
LMR36506RS3QRPERQ1

LMR36506RS3QRPERQ1

IC REG BUCK 3.3V 600MA 9VQFN

Texas Instruments

1,471
LMR36506RS3QRPERQ1

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 65V 3.3V - 600mA 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 9-VQFN-HR (2x2)
BD7F100HFN-LBTR

BD7F100HFN-LBTR

IC REG FLYBACK ADJ 1A 8HSON

Rohm Semiconductor

8,842
BD7F100HFN-LBTR

Datasheet

- 8-PowerUDFN Tape & Reel (TR) Active Step-Up/Step-Down Positive, Isolation Capable Adjustable 1 3V Flyback 40V 0.78V 50V (Switch) 1A (Switch) 400kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-HSON
MPQ2124GD-AEC1-Z

MPQ2124GD-AEC1-Z

IC REG BUCK ADJ 3A 11QFN

Monolithic Power Systems Inc.

8,600
MPQ2124GD-AEC1-Z

Datasheet

MPQ 11-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.606V 6V 3A 450kHz ~ 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 11-QFN (2x3)
MP4423HGQ-P

MP4423HGQ-P

IC REG BUCK ADJ 3A 8QFN

Monolithic Power Systems Inc.

5,642
MP4423HGQ-P

Datasheet

- 8-VDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 32.4V 3A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-QFN (3x3)
MP4581GN-P

MP4581GN-P

IC REG BUCK ADJ 800MA 8SOIC

Monolithic Power Systems Inc.

428
MP4581GN-P

Datasheet

MP 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 100V 1V 30V 800mA 100kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
TPS65279RHHR

TPS65279RHHR

IC REG BUCK ADJ 5A DL 36VQFN

Texas Instruments

14,385
TPS65279RHHR

Datasheet

- 36-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.6V 15V 5A 200kHz ~ 1.6MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 36-VQFN (6x6)
ISL854102FRZ-T

ISL854102FRZ-T

IC REG BUCK ADJ 1.2A 12DFN

Renesas Electronics Corporation

3,894
ISL854102FRZ-T

Datasheet

- 12-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 40V 0.6V 34V 1.2A 500kHz, 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-DFN (4x3)
TPS54541DPRR

TPS54541DPRR

IC REG BCK SPLIT RAIL ADJ 10WSON

Texas Instruments

3,269
TPS54541DPRR

Datasheet

Eco-Mode™ 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 42V 0.8V 41V 5A 100kHz ~ 2.5MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-WSON (4x4)
MAX17221ENT+T

MAX17221ENT+T

IC REG BOOST ADJ 6WLP

Analog Devices Inc./Maxim Integrated

4,725
MAX17221ENT+T

Datasheet

- 6-XFBGA, WLBGA Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.4V Boost 5.5V 1.5V 5V - - - Yes - -40°C ~ 85°C Surface Mount 6-WLP (1.42x0.89)
MAX17223ENT+T

MAX17223ENT+T

IC REG BOOST ADJ 500MA 6WLP

Analog Devices Inc./Maxim Integrated

2,712
MAX17223ENT+T

Datasheet

- 6-XFBGA, WLBGA Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.4V Boost 5.5V 1.8V 5V 500mA (Switch) 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLP (1.42x0.89)
TPS56C215RNNT

TPS56C215RNNT

IC REG BUCK ADJ 12A 18VQFN

Texas Instruments

1,040
TPS56C215RNNT

Datasheet

SWIFT™, D-CAP2™, Eco-Mode™ 18-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.6V 5.5V 12A 400kHz, 800kHz, 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 18-VQFN-HR (3.5x3.5)
TPS62873QWRXSRQ1

TPS62873QWRXSRQ1

IC REG BUCK ADJ 15A 16VQFN

Texas Instruments

10,490
TPS62873QWRXSRQ1

Datasheet

- 16-TFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.4V 3.35V 15A 1.5MHz, 2.25MHz, 2.5MHz, 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 16-VQFN (2.55x3.55)
LM5002SD/NOPB

LM5002SD/NOPB

IC REG BOOST FLYBACK ADJ 8WSON

Texas Instruments

3,123
LM5002SD/NOPB

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive, Isolation Capable Adjustable 1 3.1V Boost, Flyback, Forward Converter, SEPIC 75V 3.1V 76V (Switch) 400mA (Switch) 50kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
LM5002MA/NOPB

LM5002MA/NOPB

IC REG BOOST FLYBACK ADJ 8SOIC

Texas Instruments

1,589
LM5002MA/NOPB

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive, Isolation Capable Adjustable 1 3.1V Boost, Flyback, Forward Converter, SEPIC 75V 3.1V 76V (Switch) 400mA (Switch) 50kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM2594HVM-3.3/NOPB

LM2594HVM-3.3/NOPB

IC REG BUCK 3.3V 500MA 8SOIC

Texas Instruments

3,904
LM2594HVM-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4.5V Buck 60V 3.3V - 500mA 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM22672MR-ADJ/NOPB

LM22672MR-ADJ/NOPB

IC REG BUCK ADJ 1A 8SOPWR

Texas Instruments

3,041
LM22672MR-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 42V 1.285V 37V 1A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
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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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