Datasheet LTC3874-1 (Analog Devices) - 7

LTC3874-1
FuncTional block DiagraM One of Two Channels (CH0) Shown
10µA SYNC PHASMD EXTVCC 4.7V VIN FREQ SYNC/PHASE + – V DETECT IN + CIN PLL-SYNC OSC 5.5V REG S INTVCC R Q ICMP 5K IREV + – – + ON VCC0 REV SWITCH LOGIC UVLO AND PWM0 ILIM I FAULTB DrMOS LIM RANGE SELECT ANTI- HI: 1:1 1 5k FCNT SHOOT- + LO: 1:1.8 THROUGH COUT0 DC RUN AMP SLOPE I + SENSE0 COMPENSATION I – INTV SENSE0 CC UVLO 38741 BD 1 INTVCC 60k + – + – + – + – 1.7V REF ITH0 LOWDCR RUN0 SGND MODE0 FAULT0 38741f For more information www.linear/LTC3874-1 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Application Related Parts