Datasheet MAX25600 (Maxim) - 11

MAX25600 Synchronous High-Voltage Four-Switch Buck- Boost LED Controller
Functional Block Diagram
VCC IOUTV ISP ISN COMP SS BST1 BST1 BUFFER DH1ON IN 5V LDO BGAP SS HS DRV1 DH1 CLAMP ILED SENSE TEMP LX1 UVEN UVLO VCC SENSE DL1ON LS DRV1 DL1 1.3V DIMMING ICTRL PGND CLAMP ANALOG GM AMP DRV DIMOUT DIMOUT INP INPUT CURRENT ILIM SENSE EAMP INN BST2 BST2 PWMDIM DH1ON HS DRV2 DH2 +0.2V DH2ON 200Hz BUCK_VSUM DL1ON PWM PULSE COMP DOUBLER LX2 VCC RT OSC DH2ON PWM PULSE DL2ON BOOST_ VSUM COMP DOUBLER /BOOST CONTROL LOGIC LS DRV2 DL2 DL2ON INPUT_V OPERATION BUCK MODE PGND ISP_V COMPARATORS BUCK SLOPE FB FAULT AND BUCK_VSUM CSP BUCK PROTECTION SENSE COMPARATOR CSN FLT BOOST SLOPE BOOST_VSUM BOOST SENSE www.maximintegrated.com Maxim Integrated │ 11