High-Voltage Step-Down Regulator with Adjustable Output and Fixed Off-Time

A4447

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The A4447 provides efficient step-down regulation for a wide input voltage range (8V-50V) and offers an adjustable output voltage (0.8V-24V). Its fixed off-time architecture simplifies compensation and ensures stable operation.

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Top Features

Typical Applications

Packaging

  • Wide input voltage range: 8 to 50 V
  • Integrated low RDS(on) DMOS switch
  • 2 A continuous output current
  • Adjustable fixed off-time
  • Highly efficient
  • Adjustable output: 0.8 to 24 V
  • Small package with exposed thermal pad

This device is offered in an 8-pin SOIC with exposed thermal pad (suffix LJ).

LJ Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

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