Analog Devices Inc.

Dual Monolithic 600mA Synchronous Step-Down Regulator Features: High Efficiency Dual Step-Down Outputs: Up to 96% 600mA Current per Channel at VIN = 3V Only 35µA Quiescent Current During Operation (Both Channels) 2.25MHz Constant-Frequency Operation 2.5V to 5.5V Input Voltage Range Low Dropout Operation: 100% Duty Cycle No Schottky Diodes Required Internally Compensated for All Ceramic Capacitors Independent Internal Soft-Start for Each Channel Available in Fixed Output Versions Current Mode Operation for Excellent Line and Load Transient Response 0.6V Reference Allows Low Output Voltages User-Selectable Burst Mode® Operation Short-Circuit Protected Ultralow Shutdown Current: IQ < 1µA Available in Small MSOP or 3mm × 3mm DFN-8 Packages

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