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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
LM20146MHE/NOPB

LM20146MHE/NOPB

IC REG BUCK ADJ 6A 16HTSSOP

Texas Instruments

623
LM20146MHE/NOPB

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 5.5V 0.8V 4.68V 6A 260kHz ~ 750kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM20146MH/NOPB

LM20146MH/NOPB

IC REG BUCK ADJ 6A 16HTSSOP

Texas Instruments

550
LM20146MH/NOPB

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 2.95V Buck 5.5V 0.8V 4.68V 6A 260kHz ~ 750kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
MP8757GL-P

MP8757GL-P

IC REG BUCK ADJ 7A 21QFN

Monolithic Power Systems Inc.

216
MP8757GL-P

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5V Buck 18V 0.6V 5.5V 7A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 21-QFN (3x4)
LM2696MXAX/NOPB

LM2696MXAX/NOPB

IC REG BUCK ADJ 3A 16HTSSOP

Texas Instruments

944
LM2696MXAX/NOPB

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 24V 1.254V 20V 3A 100kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM2671N-ADJ/NOPB

LM2671N-ADJ/NOPB

IC REG BUCK ADJ 500MA 8PDIP

Texas Instruments

4,158
LM2671N-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Bulk Active Step-Down Positive Adjustable 1 6.5V Buck 40V 1.21V 37V 500mA 260kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
LM2597MX-5.0/NOPB

LM2597MX-5.0/NOPB

IC REG BUCK 5V 500MA 8SOIC

Texas Instruments

4,639
LM2597MX-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
LM2700LD-ADJ/NOPB

LM2700LD-ADJ/NOPB

IC REG BOOST ADJ 2.55A 14WSON

Texas Instruments

1,045
LM2700LD-ADJ/NOPB

Datasheet

- 14-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.2V Boost 12V 1.26V 17.5V 2.55A (Switch) 600kHz, 1.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-WSON (4x4)
MP9151GD-Z

MP9151GD-Z

IC REG BUCK ADJ 4A 14QFN

Monolithic Power Systems Inc.

7,426
MP9151GD-Z

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 20V 0.8V 19V 4A 300kHz ~ 1.6MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-QFN (2x3)
MAX25277ATCA/VY+

MAX25277ATCA/VY+

IC REG BUCK PROG 2.5A 12TDFN

Analog Devices Inc./Maxim Integrated

2,393
MAX25277ATCA/VY+

Datasheet

- 12-WFDFN Exposed Pad Tray Active Step-Down Positive Programmable 1 3V Buck 36V 1V 10V 2.5A 400kHz, 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C Surface Mount 12-TDFN (3x3)
MAX17551AUB+

MAX17551AUB+

IC REG BUCK ADJ 50MA 10UMAX

Analog Devices Inc./Maxim Integrated

1,946
MAX17551AUB+

Datasheet

Himalaya 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 4V Buck 60V 0.8V 54V 50mA 100kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-uMAX/uSOP
LM2853MH-1.2/NOPB

LM2853MH-1.2/NOPB

IC REG BUCK 1.2V 3A 14HTSSOP

Texas Instruments

1,435
LM2853MH-1.2/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 3V Buck 5.5V 1.2V - 3A 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
LMR23615QDRRTQ1

LMR23615QDRRTQ1

IC REG BUCK ADJ 1.5A 12SON

Texas Instruments

558
LMR23615QDRRTQ1

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 AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-SON (3x3)
ISL9122AIRNZ-T7A

ISL9122AIRNZ-T7A

IC REG BUCK BOOST ADJ 500MA 8DFN

Renesas Electronics Corporation

327
ISL9122AIRNZ-T7A

Datasheet

- 8-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.8V 5.375V 500mA 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (2x3)
MIC4575-5.0WT

MIC4575-5.0WT

IC REG BUCK BST 5V 1.7A TO220-5

Microchip Technology

176
MIC4575-5.0WT

Datasheet

- TO-220-5 Tube Active Step-Down, Step-Up/Step-Down Positive Fixed 1 4V Buck, Buck-Boost 24V 5V - 1.7A (Switch) 200kHz - No - -40°C ~ 85°C (TA) Through Hole TO-220-5
MP24971DN-LF-Z

MP24971DN-LF-Z

IC REG BUCK 5V 1.5A 8SOICE

Monolithic Power Systems Inc.

3,975
MP24971DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 8V Buck 50V 5V - 1.5A 100kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOICE
MP4423GQ-P

MP4423GQ-P

IC REG BUCK ADJ 3A 8QFN

Monolithic Power Systems Inc.

3,559
MP4423GQ-P

Datasheet

- 8-VDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 30V 0.8V 27V 3A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-QFN (3x3)
MPQ9841GL-P

MPQ9841GL-P

IC REG BUCK ADJ 1A 16QFN

Monolithic Power Systems Inc.

2,902
MPQ9841GL-P

Datasheet

MPQ 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 1A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
LM2842YQMK/NOPB

LM2842YQMK/NOPB

IC REG BUCK ADJ 600MA TSOT23-6

Texas Instruments

2,761
LM2842YQMK/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 1.25MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
LM2842XQMK/NOPB

LM2842XQMK/NOPB

IC REG BUCK ADJ 600MA TSOT23-6

Texas Instruments

1,961
LM2842XQMK/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 TSOT-23-6
MP1472GJ-P

MP1472GJ-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

325
MP1472GJ-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.75V Buck 18V 0.923V 15V 2A 340kHz - Yes - - Surface Mount TSOT-23-8
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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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