Datasheet Analog Devices LTC3546IFE#PBF — Datenblatt

LTC3546
Dual Synchronous, 3A/1A
or 2A/2A Configurable
Step-Down DC/DC Regulator
FEATURES DESCRIPTION VIN Range: 2.3V to 5.5V VOUT Range: 0.6V to 5V
n Programmable Frequency Operation; 2.25MHz, or
Adjustable Between 0.75MHz to 4MHz
n Low R
DS(ON) Internal Switches
n High Efficiency: Up to 96%
n No Schottky Diodes Required
n Short-Circuit Protected
n Current Mode Operation for Excellent Line and Load
Transient Response
n Low Ripple Burst Mode Operation (30mV
P-P),
IQ = 160µA
n Ultralow Shutdown Current: I < 1µA
Q
n Low Dropout Operation: 100% Duty Cycle
n Power Good Output For Each Channel
n Externally or Internally Programmable Burst Level
n External or Internal Soft-Start or Supply Tracking …