onsemi_LM2575T-12G
original

onsemi
LM2575T-12G

739-LM2575T-12G
PDF Datasheet
Buck Regulator, Switching, Adjustable Output Voltage, 1.0 A 12 V, TO-220 5 LEAD, 50-TUBE

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Tech Specifications

Package/Case
TO-220-5
Halogen Free
Halogen Free
Lead Free
Lead Free
Max Input Voltage
40V
Min Input Voltage
4.75V
Max Operating Temperature
125°C
Min Operating Temperature
-40°C
Max Output Current
1A
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LM2575T-12G Description

LM2575T-12G Description

The LM2575T-12G from onsemi is a fixed-output 12V, 1A buck (step-down) switching voltage regulator designed for efficient power conversion in a wide range of applications. This obsolete but still widely used IC operates with an input voltage range of 4.75V to 40V, making it suitable for both low and high-voltage power supplies. Its 52kHz switching frequency ensures compact external component sizing while maintaining stable performance. Packaged in a TO-220-5 through-hole format, it is robust and easy to integrate into designs requiring moderate power handling.

LM2575T-12G Features

  • Fixed 12V Output: Eliminates the need for external feedback resistors, simplifying design.
  • Wide Input Range (4.75V–40V): Supports diverse power sources, including automotive and industrial supplies.
  • High Efficiency (Up to 80%): Minimizes heat dissipation compared to linear regulators.
  • Built-in Protection: Features thermal shutdown and current limiting for enhanced reliability.
  • Non-Synchronous Rectification: Reduces cost while maintaining performance for moderate current applications.
  • RoHS3 & REACH Compliant: Meets environmental and safety standards.

LM2575T-12G Applications

  • Automotive Systems: Powering infotainment, sensors, and lighting from 12V/24V batteries.
  • Industrial Controls: Step-down conversion for PLCs, motor drivers, and instrumentation.
  • Consumer Electronics: Efficient voltage regulation in set-top boxes, routers, and peripherals.
  • Embedded Systems: Reliable power management for microcontrollers and IoT devices.
  • Retrofit Designs: Ideal for legacy systems requiring a proven, cost-effective regulator.

Conclusion of LM2575T-12G

The LM2575T-12G remains a dependable choice for 12V, 1A step-down conversion, offering a balance of efficiency, simplicity, and durability. While marked obsolete, its widespread adoption and proven performance make it a viable option for designs prioritizing stability over cutting-edge features. Engineers value its minimal external component count, robust protection mechanisms, and versatility across automotive, industrial, and consumer applications. For projects requiring a no-frills, high-performance buck regulator, the LM2575T-12G delivers consistent results.

FAQ

What is LM2575T-12G?
LM2575T-12G is a DC Switching Voltage Regulators from onsemi. This product page provides its main specifications, pricing information, availability, and inquiry options.
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