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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
LMR14050SQDPRTQ1

LMR14050SQDPRTQ1

IC REG BUCK ADJ 5A 10WSON

Texas Instruments

5,488
LMR14050SQDPRTQ1

Datasheet

SIMPLE SWITCHER® 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.8V 28V 5A 200kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 10-WSON (4x4)
MAX17634AATP+

MAX17634AATP+

IC REG BUCK 3.3V 4.25A 20TQFN

Analog Devices Inc./Maxim Integrated

4,885
MAX17634AATP+

Datasheet

- 20-WFQFN Exposed Pad Tray Active Step-Down Positive Fixed 1 4.5V Buck 36V 3.3V - 4.25A 400kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 20-TQFN (4x4)
LMR14050QDPRTQ1

LMR14050QDPRTQ1

IC REG BUCK ADJ 5A 10WSON

Texas Instruments

247
LMR14050QDPRTQ1

Datasheet

SIMPLE SWITCHER® 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.8V 28V 5A 200kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 10-WSON (4x4)
LM2734ZMK/NOPB

LM2734ZMK/NOPB

IC REG BUCK ADJ 1A SOT23

Texas Instruments

3,545
LM2734ZMK/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 3MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
MP4576GQBE-P

MP4576GQBE-P

IC REG BUCK ADJ 600MA 12QFN

Monolithic Power Systems Inc.

500
MP4576GQBE-P

Datasheet

- 12-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1V 54V 600mA 400kHz ~ 2.2MHz - Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-QFN (2.5x3)
LM5165YQDGSTQ1

LM5165YQDGSTQ1

IC REG BUCK 3.3V 150MA 10VSSOP

Texas Instruments

4,951
LM5165YQDGSTQ1

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
LMR23610AQDDAQ1

LMR23610AQDDAQ1

IC REG BUCK ADJ 1A 8SOPWR

Texas Instruments

777
LMR23610AQDDAQ1

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 36V 1V 28V 1A 400kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
TL499ACP

TL499ACP

IC REG BOOST ADJ 1A 8PDIP

Texas Instruments

344
TL499ACP

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Step-Up Positive Adjustable 1 1V Boost 10V 2.9V 30V 1A (Switch) - - No - -20°C ~ 85°C (TA) Through Hole 8-PDIP
LM43600PWPT

LM43600PWPT

IC REG BUCK ADJ 500MA 16HTSSOP

Texas Instruments

1,850
LM43600PWPT

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
LM20242MHE/NOPB

LM20242MHE/NOPB

IC REG BUCK ADJ 2A 20HTSSOP

Texas Instruments

1,360
LM20242MHE/NOPB

Datasheet

PowerWise® 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 32.4V 2A 100kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LM22676TJ-5.0/NOPB

LM22676TJ-5.0/NOPB

IC REG BUCK 5V 3A TO263-7

Texas Instruments

1,167
LM22676TJ-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-7 Thin Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 3A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263-7 Thin
MIC4575WU

MIC4575WU

IC REG BUCK BST ADJ 1.7A TO263-5

Microchip Technology

1,141
MIC4575WU

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down, Step-Up/Step-Down Positive Adjustable 1 4V Buck, Buck-Boost 24V 1.23V 20V 1.7A (Switch) 200kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-263-5
MIC4575WU-TR

MIC4575WU-TR

IC REG BUCK BST ADJ 1.7A TO263-5

Microchip Technology

784
MIC4575WU-TR

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down, Step-Up/Step-Down Positive Adjustable 1 4V Buck, Buck-Boost 24V 1.23V 20V 1.7A (Switch) 200kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-263-5
LM20154MHE/NOPB

LM20154MHE/NOPB

IC REG BUCK ADJ 4A 16HTSSOP

Texas Instruments

312
LM20154MHE/NOPB

Datasheet

PowerWise® 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 4A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM20242MH/NOPB

LM20242MH/NOPB

IC REG BUCK ADJ 2A 20HTSSOP

Texas Instruments

214
LM20242MH/NOPB

Datasheet

PowerWise® 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 32.4V 2A 100kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
MPQ4323MGQCE-AEC1-Z

MPQ4323MGQCE-AEC1-Z

IC REG BUCK ADJ 3A 12QFN

Monolithic Power Systems Inc.

4,975
MPQ4323MGQCE-AEC1-Z

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 34.2V 3A 350kHz ~ 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-QFN (3.5x3.5)
MAX20076ATCA/V+

MAX20076ATCA/V+

IC REG BUCK PROG/1V 1.2A 12TDFN

Analog Devices Inc./Maxim Integrated

167
MAX20076ATCA/V+

Datasheet

- 12-WFDFN Exposed Pad Tray 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)
ISL85410FRZ-T

ISL85410FRZ-T

IC REG BUCK ADJ 1A 12DFN

Renesas Electronics Corporation

4,774
ISL85410FRZ-T

Datasheet

- 12-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 40V 0.6V 34V 1A 500kHz, 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-DFN (4x3)
TPS568215RNNT

TPS568215RNNT

IC REG BUCK ADJ/0.6V 8A 18VQFN

Texas Instruments

2,338
TPS568215RNNT

Datasheet

- 18-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 4.5V Buck 17V 0.6V 5.5V 8A Up to 1.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 18-VQFN-HR (3.5x3.5)
ISL91107IRTAZ-T7A

ISL91107IRTAZ-T7A

IC REG BUCK BOOST ADJ 2A 20TQFN

Renesas Electronics Corporation

1,323
ISL91107IRTAZ-T7A

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1V 5.2V 2A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-TQFN (3x4)
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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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