Description
The LT®3971A is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 38V.
Features
- n Ultralow Quiescent Current: 2.8μA IQ Regulating 12VIN to 3.3VOUT
n Fixed Output Voltages: 5V 2.2μA IQ Regulating 12VIN to 5VOUT
n Low Ripple Burst Mode® Operation: Output Ripple < 15mVP-P
n Wide Input Voltage Range: 4.3V to 38V n 1.3A Maximum Output Current n Adjustable Switching Frequency: 200kHz to 2MHz n Synchronizable Between 250kHz to 2MHz n Fast Transient Response n Accurate 1V Enable Pin Threshold n Low Shutdown Current: IQ = 700nA n Power Good Flag n Soft-Start Capability n Internal Co.
LT3971A-5 Datasheet
