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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
MPQ2177GQHE-AEC1-Z

MPQ2177GQHE-AEC1-Z

IC REG BUCK ADJ 1A 8QFN

Monolithic Power Systems Inc.

835
MPQ2177GQHE-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 AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 8-QFN (2x1.5)
LM5018MR/NOPB

LM5018MR/NOPB

IC REG BUCK ADJ 300MA 8SOPWR

Texas Instruments

2,345
LM5018MR/NOPB

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tube 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-SO PowerPad
RT7239GSP

RT7239GSP

IC REG BUCK ADJ 5A 8SOP

Richtek USA Inc.

4,711
RT7239GSP

Datasheet

ACOT™ 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.765V 8V 5A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
LM2842XQMKX/NOPB

LM2842XQMKX/NOPB

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

2,840
LM2842XQMKX/NOPB

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.765V 34V 600mA 550kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LM2734YMKX/NOPB

LM2734YMKX/NOPB

IC REG BUCK ADJ 1A SOT23

Texas Instruments

2,365
LM2734YMKX/NOPB

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 20V 0.8V 18V 1A 550kHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LM22674QMRE-5.0/NOPB

LM22674QMRE-5.0/NOPB

IC REG BUCK 5V 500MA 8SOPWR

Texas Instruments

526
LM22674QMRE-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 500mA 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM22674QMRE-ADJ/NOPB

LM22674QMRE-ADJ/NOPB

IC REG BUCK ADJ 500MA 8SOPWR

Texas Instruments

346
LM22674QMRE-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 AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM2734ZSD/NOPB

LM2734ZSD/NOPB

IC REG BUCK ADJ 1A 6WSON

Texas Instruments

2,182
LM2734ZSD/NOPB

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 20V 0.8V 18V 1A 3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 6-WSON (3x3)
LMR23615DRRT

LMR23615DRRT

IC REG BUCK ADJ 1.5A 12SON

Texas Instruments

1,819
LMR23615DRRT

Datasheet

SIMPLE SWITCHER® 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1V 28V 1.5A 2.425MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-SON (3x3)
TPS54240DRCT

TPS54240DRCT

IC REG BCK SPLIT RAIL ADJ 10VSON

Texas Instruments

161
TPS54240DRCT

Datasheet

SWIFT™, Eco-Mode™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck, Split Rail 42V 0.8V 39V 2.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
LM43600PWPR

LM43600PWPR

IC REG BUCK ADJ 500MA 16HTSSOP

Texas Instruments

4,239
LM43600PWPR

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 36V 1V 28V 500mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
TPS51362RVER

TPS51362RVER

IC REG BUCK ADJ 10A 28VQFN

Texas Instruments

2,566
TPS51362RVER

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 10A 800kHz - Yes - -10°C ~ 85°C (TA) Surface Mount 28-VQFN-CLIP (4.5x3.5)
LMR24210TLX/NOPB

LMR24210TLX/NOPB

IC REG BUCK ADJ 1A 28DSBGA

Texas Instruments

1,876
LMR24210TLX/NOPB

Datasheet

SIMPLE SWITCHER® 28-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.8V 24V 1A Up to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-DSBGA
TPS65265RHBT

TPS65265RHBT

IC REG BUCK ADJ TRPL 32VQFN

Texas Instruments

690
TPS65265RHBT

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4.5V Buck 17V 0.6V 17V 5A, 3A, 2A 250kHz ~ 2.3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-VQFN (5x5)
MP9942GJ-P

MP9942GJ-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

474
MP9942GJ-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 30V 0.8V 28.5V 2A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
LM26420YSQX/NOPB

LM26420YSQX/NOPB

IC REG BUCK ADJ 2A DL 16WQFN

Texas Instruments

2,911
LM26420YSQX/NOPB

Datasheet

- 16-WQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3V Buck 5.5V 0.8V 4.5V 2A 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-WQFN (4x4)
LM26420YMHX/NOPB

LM26420YMHX/NOPB

IC REG BUCK ADJ 2A DL 20HTSSOP

Texas Instruments

2,228
LM26420YMHX/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 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
MAX77857BEWB+

MAX77857BEWB+

IC REG BUCK BST PROG 6A 35WLP

Analog Devices Inc./Maxim Integrated

724
MAX77857BEWB+

Datasheet

- 35-WFBGA, WLBGA Strip Active Step-Up/Step-Down Positive Programmable (Fixed) 1 2.5V Buck-Boost 16V 3V, 5V 15V 6A 1.2MHz ~ 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 35-WLP (2.83x2.03)
MP4458DQT-LF-Z

MP4458DQT-LF-Z

IC REG BUCK ADJ 1A 10TQFN

Monolithic Power Systems Inc.

15,176
MP4458DQT-LF-Z

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 0.8V 30V 1A Up to 4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-TQFN (3x3)
TPS60120PWPR

TPS60120PWPR

IC REG CHARGE PUMP 3.3V 20HTSSOP

Texas Instruments

9,300
TPS60120PWPR

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Up Positive Fixed 1 1.8V Charge Pump 3.6V 3.3V - 200mA 320kHz - No - -40°C ~ 85°C (TA) Surface Mount 20-HTSSOP
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Frequently Asked Questions

Voltage Regulators - DC DC Switching Regulators Overview

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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