Datasheet LTC3723 (Analog Devices) - 9

LTC3723-1/LTC3723-2
W BLOCK DIAGRA S LTC3723-2 Block Diagram
V UVLO V C SPRG CC REF T 5 15 1 8 16 VCC UVLO 10µA REF, LDO 5V 1.2V 10.25V “ON” VCC 6V “OFF” REF GOOD ERROR SYSTEM VCC AMPLIFIER UVLO GOOD FB 13 – + 3 SDRA 1.2V + 5V – SYNC RECTIFIER DRIVE PULSE WIDTH LOGIC 50k MODULATOR 2 SDRB COMP 11 – + + OSCILLATOR 650mV – RAMP 9 1A SOURCE Q R 6 DRVA Q T 1.5A SINK S R Q + Q OUTPUT DRIVE LOGIC S V – REF 1A SOURCE 13µA 4 DRVB SS 14 1.5A SINK SHUTDOWN CURRENT LIMIT FAULT + LOGIC 600mV – PULSE-BY-PULSE CURRENT LIMIT CS 10 BLANK + 7 9 300mV – 372312 BD02 GND DPRG 372312f 9