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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
TPS61299QDRLRQ1

TPS61299QDRLRQ1

IC REG BOOST PROG SOT563

Texas Instruments

2,633
TPS61299QDRLRQ1

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Up Positive Programmable 1 0.5V Boost 5.5V 0.5V 5.5V - 3MHz - Yes - -40°C ~ 125°C (TA) Surface Mount SOT-563
MP9840GL-Z

MP9840GL-Z

IC REG BUCK ADJ 3.5A 16QFN

Monolithic Power Systems Inc.

4,097
MP9840GL-Z

Datasheet

MP 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 3.5A 350kHz ~ 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
TPS61175PWP

TPS61175PWP

IC REG BST FLYBACK ADJ 14HTSSOP

Texas Instruments

2,267
TPS61175PWP

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.9V Boost, Flyback, SEPIC 18V 2.9V 38V 3A (Switch) 200kHz ~ 2.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 14-HTSSOP
LM22671MRE-ADJ/NOPB

LM22671MRE-ADJ/NOPB

IC REG BUCK ADJ 500MA 8SOPWR

Texas Instruments

1,973
LM22671MRE-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
LMR23610ADDA

LMR23610ADDA

IC REG BUCK ADJ 1A 8SOPWR

Texas Instruments

1,570
LMR23610ADDA

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 36V 1V 28V 1A 400kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM22671MR-ADJ/NOPB

LM22671MR-ADJ/NOPB

IC REG BUCK ADJ 500MA 8SOPWR

Texas Instruments

1,399
LM22671MR-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 500mA 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
MAX38642AELT+T

MAX38642AELT+T

IC REG BUCK ADJ 350MA 6UDFN

Analog Devices Inc./Maxim Integrated

685
MAX38642AELT+T

Datasheet

nanoPower 6-WDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.8V Buck 5.5V 0.7V 3.3V 350mA - - No - -40°C ~ 85°C Surface Mount 6-µDFN (2x2)
LM2594N-5.0/NOPB

LM2594N-5.0/NOPB

IC REG BUCK 5V 500MA 8PDIP

Texas Instruments

2,565
LM2594N-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 500mA 150kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
LMR23630AFQDDARQ1

LMR23630AFQDDARQ1

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

493
LMR23630AFQDDARQ1

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 AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM2674N-5.0/NOPB

LM2674N-5.0/NOPB

IC REG BUCK 5V 500MA 8PDIP

Texas Instruments

202
LM2674N-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 6.5V Buck 40V 5V - 500mA 260kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
MP28167GQ-Z

MP28167GQ-Z

IC REG BUCK BOOST 5V 3A 16QFN

Monolithic Power Systems Inc.

5,255
MP28167GQ-Z

Datasheet

- 16-PowerVFQFN Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.8V Buck-Boost 22V 5V - 3A 530kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
MPQ4323CGDE-AEC1-Z

MPQ4323CGDE-AEC1-Z

IC REG BUCK ADJ 3A 12QFN

Monolithic Power Systems Inc.

3,990
MPQ4323CGDE-AEC1-Z

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 34.2V 3A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-QFN (2x3)
MP9457GF-Z

MP9457GF-Z

IC REG BUCK 5V 3A 20TSSOP

Monolithic Power Systems Inc.

3,506
MP9457GF-Z

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 18V Buck 36V 5V - 3A - - No - - Surface Mount 20-TSSOP-EP
MP2238GD-Z

MP2238GD-Z

IC REG BUCK ADJ 8A 12QFN

Monolithic Power Systems Inc.

3,152
MP2238GD-Z

Datasheet

- 12-TFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 18V 0.6V 12V 8A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-QFN (2x3)
MP4420HGJ-Z

MP4420HGJ-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

6,954
MP4420HGJ-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 0.8V 32.4V 2A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
MP3438GTL-P

MP3438GTL-P

IC REG BOOST ADJ SOT583

Monolithic Power Systems Inc.

204
MP3438GTL-P

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.8V Boost 16V 16V 16V - 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-583
LM5165QDRCRQ1

LM5165QDRCRQ1

IC REG BUCK ADJ 150MA 10VSON

Texas Instruments

7,445
LM5165QDRCRQ1

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 65V 1.223V 65V 150mA Up to 600kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LM61435AASQRJRRQ1

LM61435AASQRJRRQ1

IC REG BUCK ADJ 3.5A 14VQFN

Texas Instruments

678
LM61435AASQRJRRQ1

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 36V 1V 34V 3.5A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-VQFN-HR (4x3.5)
L4978D

L4978D

IC REG BUCK ADJ 2A 16SO W

STMicroelectronics

1,064
L4978D

Datasheet

- 16-SOIC (0.295", 7.50mm Width) Tube Active Step-Down Positive Adjustable 1 8V Buck 55V 3.3V 50V 2A 100kHz ~ 300kHz - No - -40°C ~ 150°C (TJ) Surface Mount 16-SO W
MP3423GG-P

MP3423GG-P

IC REG BOOST ADJ 9A 14QFN

Monolithic Power Systems Inc.

2,161
MP3423GG-P

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.9V Boost 5.5V 2.5V 5.5V 9A (Switch) 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-QFN (2x2)
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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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