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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
LM2841YQMK/NOPB

LM2841YQMK/NOPB

IC REG BUCK ADJ 300MA TSOT23-6

Texas Instruments

6,520
LM2841YQMK/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 300mA 1.25MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
AOZ2379QI

AOZ2379QI

IC REG BUCK ADJ 30A 28QFN

Alpha & Omega Semiconductor Inc.

2,740
AOZ2379QI

Datasheet

EZBuck™ 28-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.5V Buck 24V 0.6V 20.4V 30A 32kHz ~ 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-QFN (5x5)
MAX77831BEWB+T

MAX77831BEWB+T

IC REG BUCK BOOST ADJ 2A 35WLP

Analog Devices Inc./Maxim Integrated

5,595
MAX77831BEWB+T

Datasheet

- 35-WFBGA, WLBGA Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 16V 3V 15V 2A 1.2MHz ~ 1.8MHz - No - -40°C ~ 85°C (TA) Surface Mount 35-WLP (2.83x2.03)
LM2575T-3.3G

LM2575T-3.3G

IC REG BUCK 3.3V 1A TO220-5

onsemi

200
LM2575T-3.3G

Datasheet

- TO-220-5 Tube Active Step-Down Positive Fixed 1 4.75V Buck 40V 3.3V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM5165YQDGSRQ1

LM5165YQDGSRQ1

IC REG BUCK 3.3V 150MA 10VSSOP

Texas Instruments

9,618
LM5165YQDGSRQ1

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 65V 3.3V - 150mA Up to 600kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 10-VSSOP
LM22671QMRE-5.0/NOPB

LM22671QMRE-5.0/NOPB

IC REG BUCK 5V 500MA 8SOPWR

Texas Instruments

453
LM22671QMRE-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
SC185EULTRT

SC185EULTRT

IC REG BUCK 1.2V 4A 16MLPQ

Semtech Corporation

6,415
SC185EULTRT

Datasheet

- 16-UFQFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Fixed 1 2.9V Buck 5.5V 1.2V - 4A 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-MLPQ-UT (3x3)
LM2574HVM-3.3/NOPB

LM2574HVM-3.3/NOPB

IC REG BUCK 3.3V 500MA 14SOIC

Texas Instruments

1,393
LM2574HVM-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 14-SOIC (0.295", 7.50mm Width) Bulk Active Step-Down Positive Fixed 1 4V Buck 60V 3.3V - 500mA 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-SOIC
BD9S300MUF-CE2

BD9S300MUF-CE2

IC REG BUCK ADJ 3A 16VQFN

Rohm Semiconductor

2,148
BD9S300MUF-CE2

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 4.4V 3A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount VQFN016V3030
MP2269GD-P

MP2269GD-P

IC REG BUCK PROG 1A 15QFN

Monolithic Power Systems Inc.

1,961
MP2269GD-P

Datasheet

- 15-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Programmable 1 3.3V Buck 30V - - 1A 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 15-QFN (3x2)
MP2225GJ-P

MP2225GJ-P

IC REG BUCK ADJ 5A TSOT23-8

Monolithic Power Systems Inc.

1,629
MP2225GJ-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 17V 5A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
MP2143DJ-LF-P

MP2143DJ-LF-P

IC REG BUCK ADJ 3A TSOT23-8

Monolithic Power Systems Inc.

1,456
MP2143DJ-LF-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5V 3A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
TPS62870QWRXSRQ1

TPS62870QWRXSRQ1

IC REG BUCK ADJ 6A 16VQFN

Texas Instruments

11,177
TPS62870QWRXSRQ1

Datasheet

- 16-TFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.4V 3.35V 6A 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)
LM34910CSD/NOPB

LM34910CSD/NOPB

IC REG BUCK ADJ 1.25A 10WSON

Texas Instruments

5,633
LM34910CSD/NOPB

Datasheet

- 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 50V 2.5V 45V 1.25A - - No - -40°C ~ 125°C (TJ) Surface Mount 10-WSON (4x4)
LM34910SD/NOPB

LM34910SD/NOPB

IC REG BUCK ADJ 1.25A 10WSON

Texas Instruments

3,855
LM34910SD/NOPB

Datasheet

- 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 36V 2.5V 33V 1.25A - - No - -40°C ~ 125°C (TJ) Surface Mount 10-WSON (4x4)
MIC261203YJL-TR

MIC261203YJL-TR

IC REG BUCK ADJ 12A 28QFN

Microchip Technology

3,771
MIC261203YJL-TR

Datasheet

HyperLight Load®, SuperSwitcher IIG™ 28-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 28V 0.8V 5.5V 12A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (5x6)
TPS55386PWPR

TPS55386PWPR

IC REG BUCK ADJ 3A DL 16HTSSOP

Texas Instruments

1,290
TPS55386PWPR

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 28V 0.8V 25.2V 3A 630kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM34910CSDE/NOPB

LM34910CSDE/NOPB

IC REG BUCK ADJ 1.25A 10WSON

Texas Instruments

692
LM34910CSDE/NOPB

Datasheet

- 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 50V 2.5V 45V 1.25A - - No - -40°C ~ 125°C (TJ) Surface Mount 10-WSON (4x4)
TPS55065QPWPRQ1

TPS55065QPWPRQ1

IC REG BCK BST 5V 500MA 20HTSSOP

Texas Instruments

5,614
TPS55065QPWPRQ1

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 1.5V Buck-Boost 40V 5V - 500mA 440kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 20-HTSSOP
TPS54719RTET

TPS54719RTET

IC REG BUCK ADJ 7A 16WQFN

Texas Instruments

851
TPS54719RTET

Datasheet

SWIFT™ 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 6V 0.6V 4.5V 7A 200kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-WQFN (3x3)
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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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