Datasheet LTC3765 (Analog Devices) - 7

LTC3765
BLOCK DIAGRAM
V CHARGE IN VCC VCC PUMP + IN+ 8.5V 15 NDRV • • 14 – LINEAR V IN– REGULATOR CC 16 VCC 3 RECTIFIER MAIN REGULATOR SHUTDOWN PWM PWM SGND 9 DECODER VCC UNDERVOLTAGE + SGND 7.4V/7.0V LOCKOUT 1V 17 + + R SLOPE CORE REPLICATOR 11 – VCC – TEMPERATURE MONITOR VIN VIN + 1.25V/1.20V UV • • SGND VCC RUN – DELAY 12 6 VCC RUN CONTROL 5µA VCC AG 50µA 4 – 1V PGND + ISMAG 5 FS/UV LOGIC 10 + VCC 5V SOFT-START VCC SGND PWM V OSCILLATOR CC – RAMP PG 2 + PGND PGND 1 UV + 150mV + I + SSFLT SOFT-START FAULT S 8 13 FAULT – I – S 7 OVERCURRENT COMPARATOR 3765 BD 3765fb For more information www.linear.com/LTC3765 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Timing Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts