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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
MP3435GL-Z

MP3435GL-Z

IC REG BOOST ADJ 19A 20QFN

Monolithic Power Systems Inc.

1,613
MP3435GL-Z

Datasheet

- 20-PowerVFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 3V Boost 20V 3V 22V 19A (Switch) 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LM2734XMK/NOPB

LM2734XMK/NOPB

IC REG BUCK ADJ 1A SOT23

Texas Instruments

1,044
LM2734XMK/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 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LM5161PWPR

LM5161PWPR

IC REG BCK FLYBACK ADJ 14HTSSOP

Texas Instruments

4,234
LM5161PWPR

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive, Isolation Capable Adjustable 1 4.5V Buck, Flyback 100V 2V 92V 1A 50kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
MAX1044CPA+

MAX1044CPA+

IC REG CHARGE PUMP 20MA 8PDIP

Analog Devices Inc./Maxim Integrated

2,701
MAX1044CPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 10V -Vin, nVin, Vin/2 - 20mA 10kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
TPS611781RNWR

TPS611781RNWR

IC REG BOOST ADJ 10A 13VQFN

Texas Instruments

1,859
TPS611781RNWR

Datasheet

- 13-PowerVFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.7V Boost 20V 4.5V 20V 10A (Switch) 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 13-VQFN-HR (3x3.5)
TPS61178RNWR

TPS61178RNWR

IC REG BOOST ADJ 10A 13VQFN

Texas Instruments

1,563
TPS61178RNWR

Datasheet

- 13-PowerVFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.7V Boost 20V 4.5V 20V 10A (Switch) 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 13-VQFN-HR (3x3.5)
MP1484EN-LF-Z

MP1484EN-LF-Z

IC REG BUCK ADJ 3A 8SOIC

Monolithic Power Systems Inc.

1,168
MP1484EN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.75V Buck 23V 0.925V 20V 3A 340kHz - Yes - -20°C ~ 85°C (TA) Surface Mount 8-SOIC-EP
LMR24210TL/NOPB

LMR24210TL/NOPB

IC REG BUCK ADJ 1A 28DSBGA

Texas Instruments

605
LMR24210TL/NOPB

Datasheet

SIMPLE SWITCHER® 28-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.8V 24V 1A Up to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-DSBGA
MIC4575-5.0WU-TR

MIC4575-5.0WU-TR

IC REG BUCK BST 5V 1.7A TO263-5

Microchip Technology

417
MIC4575-5.0WU-TR

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) 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) Surface Mount TO-263-5
LM2576S-3.3/NOPB

LM2576S-3.3/NOPB

IC REG BUCK 3.3V 3A TO263

Texas Instruments

332
LM2576S-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 - 3A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
AP1501-K5G-13

AP1501-K5G-13

IC REG BUCK ADJ 3A TO263-5

Diodes Incorporated

3,578
AP1501-K5G-13

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 40V 1.23V 37V 3A 150kHz - No - -20°C ~ 125°C (TJ) Surface Mount TO-263-5
LM25183NGUR

LM25183NGUR

IC REG FLYBACK ADJ 2.5A 8WSON

Texas Instruments

3,134
LM25183NGUR

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 4.5V Flyback 42V 1.21V 42V 2.5A 12kHz ~ 350kHz AEC-Q100 No Automotive -40°C ~ 85°C Surface Mount 8-WSON (4x4)
TPS65263-1QRHBRQ1

TPS65263-1QRHBRQ1

IC REG BUCK ADJ TRPL 32VQFN

Texas Instruments

3,000
TPS65263-1QRHBRQ1

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4V Buck 18V 0.68V 6.3V 3A, 2A, 2A 200kHz ~ 2.3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 32-VQFN (5x5)
MP8774GQ-P

MP8774GQ-P

IC REG BUCK ADJ 12A 16QFN

Monolithic Power Systems Inc.

707
MP8774GQ-P

Datasheet

- 16-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 18V 0.6V 12V 12A 700kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
TPS54291PWPR

TPS54291PWPR

IC REG BUCK ADJ DL 16HTSSOP

Texas Instruments

1,016
TPS54291PWPR

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.8V 16.2V 1.5A, 2.5A 600kHz - Yes - -40°C ~ 125°C (TA) Surface Mount 16-HTSSOP
LM2595SX-3.3/NOPB

LM2595SX-3.3/NOPB

IC REG BUCK 3.3V 1A TO263

Texas Instruments

2,711
LM2595SX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2595SX-12/NOPB

LM2595SX-12/NOPB

IC REG BUCK 12V 1A TO263

Texas Instruments

921
LM2595SX-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 12V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2595T-5.0/NOPB

LM2595T-5.0/NOPB

IC REG BUCK 5V 1A TO220-5

Texas Instruments

889
LM2595T-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM5169FQDDARQ1

LM5169FQDDARQ1

IC REG BUCK ADJ 650MA 8SOPWR

Texas Instruments

4,277
LM5169FQDDARQ1

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 120V 1.2V 120V 650mA 100kHz ~ 1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
LM5169PQDDARQ1

LM5169PQDDARQ1

IC REG BUCK ADJ 650MA 8SOPWR

Texas Instruments

1,361
LM5169PQDDARQ1

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 120V 1.2V 120V 650mA 100kHz ~ 1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
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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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