1.2a step-down regulator.
n Ultralow Quiescent Current: 2.8µA IQ Regulating 12VIN to 3.3VOUT
n Fixed Output Voltages: 3.3V, 5V 2.1µA IQ Regulating 12VIN
n Low Ripple Burst Mode® Operation: Ou.
n Automotive Battery Regulation n Power for Portable Products n Industrial Supplies
LT3991/LT3991-3.3/LT3991-5 55V, .
The LT®3991 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 55V. Low quiescent current design consumes only 2.8µA of supply current while regulating with no load. Low ripple Burst Mode oper.
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