LT4351 BLOCK DIAGRAM TO COMMON SUPPLY FROM INDIVIDUAL SUPPLY VIN VOUT 4 2 3 1 SW VDD VIN GATE 10.7V REG – ENABLE + + 600ns ENABLE QSW ONE DRIVER SHOT – + 15mV + – OUT 10 – R2 UV C OPEN UV VIN OUT 7 + MOSFET R DETECT B STATUS R1 + 9 0.3V – – ST C OV OVF 6 – RA COV – FAULT 8 + 0.33V 0.3V + GND 5 4351 BD 4351fd 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts