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LM2596S-5.0 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LM2596S-5.0NS266Yes

LM2596S-5.

The LM2596S-5.0 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

Specifications:

  • Output Voltage: Fixed 5.0V (±4% tolerance)
  • Input Voltage Range: 4.5V to 40V
  • Output Current: Up to 3A
  • Switching Frequency: 150 kHz
  • Efficiency: Up to 88%
  • Operating Junction Temperature: -40°C to +125°C
  • Package: TO-263-5 (D2PAK)

Descriptions:

  • The LM2596S-5.0 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator.
  • It is designed for easy implementation and requires minimal external components.
  • The regulator includes a fixed-frequency oscillator, feedback control, and an internal switch capable of handling up to 3A of load current.

Features:

  • Fixed 5.0V Output (also available in adjustable versions)
  • 3A Output Current with excellent line and load regulation
  • Wide Input Voltage Range (4.5V to 40V)
  • Internal Frequency Compensation
  • Thermal Shutdown and Current Limit Protection
  • Low Power Standby Mode (typically 80µA)
  • Simple and Easy to Use with minimal external components

This regulator is commonly used in power supply applications, battery chargers, and industrial systems requiring efficient voltage conversion.

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