Datasheet Analog Devices LT3971AIMSE#PBF — Datenblatt

LT3971A/LT3971A-5
38V, 1.3A, 2MHz
Step-Down Regulator with
2.2µA Quiescent Current
DESCRIPTION FEATURES n Ultralow Quiescent Current:
2.8μA IQ Regulating 12VIN to 3.3VOUT
Fixed Output Voltages: 5V
2.2μA IQ Regulating 12VIN to 5VOUT
Low Ripple Burst Mode® Operation:
Output Ripple < 15mVP-P
Wide Input Voltage Range: 4.3V to 38V
1.3A Maximum Output Current
Adjustable Switching Frequency: 200kHz to 2MHz
Synchronizable Between 250kHz to 2MHz
Fast Transient Response
Accurate 1V Enable Pin Threshold
Low Shutdown Current: IQ = 700nA
Power Good Flag
Soft-Start Capability
Internal Compensation
Output Voltage: 1.19V to 30V
Small Thermally Enhanced 10-Lead MSOP Package The LT®3971A is an adjustable frequency monolithic buck
switching regulator that accepts a wide input voltage range …