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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
LM22670QMRE-5.0/NOPB

LM22670QMRE-5.0/NOPB

IC REG BUCK 5V 3A 8SOPWR

Texas Instruments

365
LM22670QMRE-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 - 3A 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
MP4470AGL-Z

MP4470AGL-Z

IC REG BUCK ADJ 5A 20QFN

Monolithic Power Systems Inc.

4,450
MP4470AGL-Z

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 32.4V 5A 200kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LM2677T-ADJ/NOPB

LM2677T-ADJ/NOPB

IC REG BUCK ADJ 5A TO220-7

Texas Instruments

2,227
LM2677T-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-7 Formed Leads Tube Active Step-Down Positive Adjustable 1 8V Buck 40V 1.21V 37V 5A 260kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-7
MPQ4313GRE-AEC1-Z

MPQ4313GRE-AEC1-Z

IC REG BUCK ADJ 3A 20QFN

Monolithic Power Systems Inc.

2,096
MPQ4313GRE-AEC1-Z

Datasheet

- 20-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 45V 0.815V 45V 3A 470kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 20-QFN (4x4)
LM2677SD-5.0/NOPB

LM2677SD-5.0/NOPB

IC REG BUCK 5V 5A 14VSON

Texas Instruments

768
LM2677SD-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 14-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 8V Buck 40V 5V - 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-VSON (5x6)
LT8334RDE#PBF

LT8334RDE#PBF

IC REG BST SEPIC ADJ 5A 12DFN

Analog Devices Inc.

394
LT8334RDE#PBF

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.8V Boost, SEPIC 40V - 40V (Switch) 5A 300kHz ~ 2MHz - No - -40°C ~ 150°C (TJ) Surface Mount 12-DFN (4x3)
LM21212MH-1/NOPB

LM21212MH-1/NOPB

IC REG BUCK ADJ 12A 20HTSSOP

Texas Instruments

1,383
LM21212MH-1/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 2.95V Buck 5.5V 0.6V 5.5V 12A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
MIC4576WU-TR

MIC4576WU-TR

IC REG BUCK ADJ 3A TO263-5

Microchip Technology

2,942
MIC4576WU-TR

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 1.23V 33V 3A 200kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-263-5
LM536035QPWPTQ1

LM536035QPWPTQ1

IC REG BUCK 5V 3A 16HTSSOP

Texas Instruments

215
LM536035QPWPTQ1

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.9V Buck 36V 5V - 3A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LT3502AEMS#PBF

LT3502AEMS#PBF

IC REG BUCK ADJ 500MA 10MSOP

Analog Devices Inc.

23,924
LT3502AEMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 3V Buck 40V 0.8V 32V 500mA 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LM2597HVM-ADJ/NOPB

LM2597HVM-ADJ/NOPB

IC REG BUCK ADJ 500MA 8SOIC

Texas Instruments

3,815
LM2597HVM-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1.2V 57V 500mA 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
MAX1595EUA33+

MAX1595EUA33+

IC REG CHG PUMP 3.3V 125MA 8UMAX

Analog Devices Inc./Maxim Integrated

128
MAX1595EUA33+

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up/Step-Down Positive Fixed 1 1.8V Charge Pump 5.5V 3.3V - 125mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-uMAX/uSOP
LM5001MA/NOPB

LM5001MA/NOPB

IC REG BOOST FLYBACK ADJ 8SOIC

Texas Instruments

3,031
LM5001MA/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) 800mA (Switch) 50kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LM5001SDE/NOPB

LM5001SDE/NOPB

IC REG BOOST FLYBACK ADJ 8WSON

Texas Instruments

2,586
LM5001SDE/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) 800mA (Switch) 50kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
MAX20406AFOA/VY+T

MAX20406AFOA/VY+T

IC REG BCK PROG/0.8V 6A 17FC2QFN

Analog Devices Inc./Maxim Integrated

1,551
MAX20406AFOA/VY+T

Datasheet

- 17-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Programmable (Fixed) 1 3V Buck 36V 0.8V (5V) 10V 6A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
MAX20406AFOA/VY+

MAX20406AFOA/VY+

IC REG BCK PROG/0.8V 6A 17FC2QFN

Analog Devices Inc./Maxim Integrated

210
MAX20406AFOA/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Programmable (Fixed) 1 3V Buck 36V 0.8V (5V) 10V 6A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
MAX20406AFOD/VY+

MAX20406AFOD/VY+

IC REG BCK PROG/0.8V 6A 17FC2QFN

Analog Devices Inc./Maxim Integrated

169
MAX20406AFOD/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Programmable (Fixed) 1 3V Buck 36V 0.8V (3.3V) 10V 6A 400kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
LM2679SX-12/NOPB

LM2679SX-12/NOPB

IC REG BUCK 12V 5A TO263

Texas Instruments

2,847
LM2679SX-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Step-Down Positive Fixed 1 8V Buck 40V 12V - 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LM2679SX-ADJ/NOPB

LM2679SX-ADJ/NOPB

IC REG BUCK ADJ 5A TO263

Texas Instruments

1,922
LM2679SX-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 40V 1.21V 37V 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
MAX17579ATC+

MAX17579ATC+

IC REG BUCK ADJ 300MA 12TDFN

Analog Devices Inc./Maxim Integrated

758
MAX17579ATC+

Datasheet

Himalaya 12-WFDFN Exposed Pad Tray Active Step-Down Negative Adjustable 1 4.5V Buck 60V -0.9V -36V 300mA 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
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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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