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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
LM2672MX-12/NOPB

LM2672MX-12/NOPB

IC REG BUCK 12V 1A 8SOIC

Texas Instruments

7,283
LM2672MX-12/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 6.5V Buck 40V 12V - 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
MAX17643ATC+

MAX17643ATC+

IC REG BUCK ADJ 2A 12TDFN

Analog Devices Inc./Maxim Integrated

4,258
MAX17643ATC+

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 2A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
LM2672MX-3.3/NOPB

LM2672MX-3.3/NOPB

IC REG BUCK 3.3V 1A 8SOIC

Texas Instruments

3,534
LM2672MX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 6.5V Buck 40V 3.3V - 1A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
TPS62872QWRXSRQ1

TPS62872QWRXSRQ1

IC REG BUCK ADJ 12A 16VQFN

Texas Instruments

750
TPS62872QWRXSRQ1

Datasheet

- 16-TFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.4V 3.35V 12A 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)
MAX20076ATCA/V+T

MAX20076ATCA/V+T

IC REG BUCK PROG/1V 1.2A 12TDFN

Analog Devices Inc./Maxim Integrated

3,345
MAX20076ATCA/V+T

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable (Fixed) 1 3.5V Buck 36V 1V 10V 1.2A - - Yes - 0°C ~ 70°C Surface Mount 12-TDFN (3x3)
RTQ6365GSP

RTQ6365GSP

IC REG BUCK ADJ 5A 8SOP

Richtek USA Inc.

631
RTQ6365GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 60V 0.8V 60V 5A 100kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOP-EP
LM2575S-3.3/NOPB

LM2575S-3.3/NOPB

IC REG BUCK 3.3V 1A TO263

Texas Instruments

449
LM2575S-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4V Buck 40V 3.3V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM5165QDRCTQ1

LM5165QDRCTQ1

IC REG BUCK ADJ 150MA 10VSON

Texas Instruments

22,986
LM5165QDRCTQ1

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)
LM5165YQDRCTQ1

LM5165YQDRCTQ1

IC REG BUCK 3.3V 150MA 10VSON

Texas Instruments

4,785
LM5165YQDRCTQ1

Datasheet

- 10-VFDFN Exposed Pad 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-VSON (3x3)
LM22673TJ-ADJ/NOPB

LM22673TJ-ADJ/NOPB

IC REG BUCK ADJ 3A TO263-7

Texas Instruments

4,144
LM22673TJ-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-7 Thin Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 1.285V 37V 3A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263-7 Thin
LM22670TJ-ADJ/NOPB

LM22670TJ-ADJ/NOPB

IC REG BUCK ADJ 3A TO263-7

Texas Instruments

2,116
LM22670TJ-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-7 Thin Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 1.285V 37V 3A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263-7 Thin
MPQ9842GLE-5-AEC1-Z

MPQ9842GLE-5-AEC1-Z

IC REG BUCK 5V 2A 16QFN

Monolithic Power Systems Inc.

8,458
MPQ9842GLE-5-AEC1-Z

Datasheet

MPQ 16-VQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.3V Buck 36V 5V - 2A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 16-QFN (3x4)
TPS63021DSJT

TPS63021DSJT

IC REG BUCK BST 3.3V 3.5A 14VSON

Texas Instruments

4,718
TPS63021DSJT

Datasheet

- 14-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 1.8V Buck-Boost 5.5V 3.3V - 3.5A (Switch) 2.4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-VSON (4x3)
LM3103MH/NOPB

LM3103MH/NOPB

IC REG BUCK ADJ 750MA 16HTSSOP

Texas Instruments

419
LM3103MH/NOPB

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.6V 7V 750mA Up to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
MIC4576-3.3WU-TR

MIC4576-3.3WU-TR

IC REG BUCK 3.3V 3A TO263-5

Microchip Technology

4,013
MIC4576-3.3WU-TR

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 36V 3.3V - 3A 200kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-263-5
MIC4576-5.0WU

MIC4576-5.0WU

IC REG BUCK 5V 3A TO263-5

Microchip Technology

2,343
MIC4576-5.0WU

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4V Buck 36V 5V - 3A 200kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-263-5
MIC4576-5.0WU-TR

MIC4576-5.0WU-TR

IC REG BUCK 5V 3A TO263-5

Microchip Technology

1,404
MIC4576-5.0WU-TR

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 36V 5V - 3A 200kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-263-5
TPS54286PWPR

TPS54286PWPR

IC REG BUCK ADJ 2A DL 14HTSSOP

Texas Instruments

4,782
TPS54286PWPR

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 28V 0.8V 25.2V 2A 630kHz - No - -40°C ~ 85°C (TA) Surface Mount 14-HTSSOP
MPQ4420HGJ-Z

MPQ4420HGJ-Z

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

3,694
MPQ4420HGJ-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
TPS54260QDGQRQ1

TPS54260QDGQRQ1

IC REG BUCK ADJ 2.5A 10HVSSOP

Texas Instruments

4,490
TPS54260QDGQRQ1

Datasheet

Eco-Mode™ 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 60V 0.8V 60V 2.5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TA) Surface Mount 10-HVSSOP
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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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