LT8631 1A Synchronous Micropower Step-Down Regulator

LT8631 1A Synchronous Micropower Step-Down Regulator

The LT®8631 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 1A. The wide input range of 3V to 100V makes the LT8631 suitable for regulating power from a wide variety of sources, including automotive and industrial systems.

Features

n Ultrawide Input Voltage Range: 3V to 100V n Output Voltage Range: 0.8V to 60V n Internal Synchronous Switches n Low Ripple Burst Mode® Operation: 16µA IQ at 12VIN to 5VOUT Output Ripple <10mVP-P 7µA IQ at 48VIN to 5VOUT Output Ripple <10mVP-P n Low Dropout: 99% Maximum Duty Cycle n Peak Current Mode Control n Fixed Frequency Operation: 100kHz to 1MHz n Synchronization Input n Programmable Undervoltage Lockout n Power Good Flag n Flexible Output Voltage Tracking n Short-Circuit Protection n Low Shutdown Current: 5µA n Tolerates Pin Open/Short Faults n Thermally Enhanced 20-.