Analog Devices Inc.

High Power Step-Down Synchronous DC/DC Controllers for Low Voltage Operation Features: VOUT as Low as 0.6V High Power Switching Regulator Controller for 3.3V-5V to 0.6V-3.xV Step-Down Applications No Current Sense Resistor Required Low Input Supply Voltage Range: 3V to 8V Maximum Duty Cycle >91% Over Temperature All N-Channel External MOSFETs Excellent Output Regulation: ±1% Over Line, Load and Temperature Variations High Efficiency: Over 95% Possible Adjustable or Fixed 2.5V Output (LTC3832) Programmable Fixed Frequency Operation: 100kHz to 500kHz External Clock Synchronization Soft-Start Low Shutdown Current: <10µA Overtemperature Protection Available in SO-8 and SSOP-16 Packages

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