LT3971 - 2MHz Step-Down Regulator

Name: LT3971
SKU: LT3971-661211

Linear Technology

Datasheet Details

The LT®3971 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 38V.

n Ultralow Quiescent Current: 2.8µA IQ Regulating 12VIN to 3.3VOUT n Fixed Output Voltages: 3.3V, 5V, 2.1µA IQ Regulating 12VIN to 3.3VOUT n Low Ripple Burst Mode® Operation: Output Ripple < 15mVP-P n Wide Input Voltage Range: 4.3V to 38V n 1.2A 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 Cap.

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Published: Jan 18, 2010 |