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LTC3770

Part Number LTC3770
Manufacturer Linear Technology
Description Step-Down Synchronous Controller
Published Dec 5, 2009
Detailed Description FEATURES n Wide VIN Range: 4V to 32V n ±0.67% 0.6V Reference Voltage n Output Voltage Tracking Capability n Programmable...
Datasheet LTC3770




Overview
FEATURES n Wide VIN Range: 4V to 32V n ±0.
67% 0.
6V Reference Voltage n Output Voltage Tracking Capability n Programmable Margining n Sense Resistor Optional n True Current Mode Control n 2% to 90% Duty Cycle at 200kHz n tON(MIN) ≤ 100ns n Phase-Locked Loop Frequency Synchronization n Powerful Dual N-Channel MOSFET Driver n Adjustable Cycle-by-Cycle Current Limit n Adjustable Switching Frequency n Programmable Soft-Start n Current Foldback Protection (Disabled at Start-Up) n Output Overvoltage Protection n Micropower Shutdown: IQ 30μA n Power Good Output Voltage Monitor Tracks the Reference Input Pin n Available in (5mm × 5mm) QFN and 28-Lead SSOP Packages APPLICATIONS n Distributed Power S...






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