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LM2576N-ADJ Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LM2576N-ADJSCC150Yes

LM2576N-ADJ is a step-down (buck) switching voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, part of the SCC product line).

The LM2576N-ADJ is a step-down (buck) switching voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, part of the SCC product line).

Manufacturer Specifications:

  • Input Voltage Range: 4V to 40V
  • Adjustable Output Voltage Range: 1.23V to 37V
  • Output Current: 3A (max)
  • Switching Frequency: 52 kHz (fixed)
  • Efficiency: Up to 88% (depending on conditions)
  • Operating Temperature Range: -40°C to +125°C
  • Package: TO-220-5 (through-hole)
  • Protection Features: Thermal shutdown, current limit

Descriptions:

The LM2576N-ADJ is a monolithic switching regulator designed for step-down voltage conversion. It provides a simple, efficient solution for applications requiring adjustable output voltage with high current capability. The device includes a fixed-frequency oscillator, feedback control, and an internal switch, reducing external component count.

Features:

  • Adjustable output voltage with feedback pin
  • Requires only 4 external components
  • Internal frequency compensation
  • Low standby current (50 μA typical)
  • Soft-start capability
  • Wide input voltage range
  • Suitable for battery-powered applications

This regulator is commonly used in power supplies, industrial controls, automotive systems, and other applications requiring efficient voltage conversion.

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