Version 4 SymbolType CELL RECTANGLE Normal -144 -304 144 304 TEXT 0 0 Center 2 LT WINDOW 0 0 -112 Center 2 WINDOW 3 0 112 Center 2 SYMATTR Value LT8646S SYMATTR Prefix X SYMATTR SpiceModel LT8646S.sub SYMATTR Value2 LT8646S SYMATTR Description 65V, 8A Synchronous Step-Down Silent Switcher with 2.5ľA Quiescent Current (Internal capacitors for Vin, Vcc, BootStrap) PIN 144 -48 RIGHT 8 PINATTR PinName Bias PINATTR SpiceOrder 1 PIN -144 -48 LEFT 8 PINATTR PinName INTVcc PINATTR SpiceOrder 2 PIN 144 48 RIGHT 8 PINATTR PinName BST PINATTR SpiceOrder 3 PIN -144 -240 LEFT 8 PINATTR PinName Vin1 PINATTR SpiceOrder 4 PIN -80 304 BOTTOM 8 PINATTR PinName Clkout PINATTR SpiceOrder 5 PIN -144 -144 LEFT 8 PINATTR PinName GND1 PINATTR SpiceOrder 6 PIN 144 144 RIGHT 8 PINATTR PinName SW PINATTR SpiceOrder 8 PIN 144 -144 RIGHT 8 PINATTR PinName GND2 PINATTR SpiceOrder 10 PIN 144 -240 RIGHT 8 PINATTR PinName Vin2 PINATTR SpiceOrder 13 PIN -48 -304 TOP 8 PINATTR PinName EN/UV PINATTR SpiceOrder 14 PIN -144 144 LEFT 8 PINATTR PinName Rt PINATTR SpiceOrder 15 PIN -144 240 LEFT 8 PINATTR PinName TR/SS PINATTR SpiceOrder 16 PIN -144 48 LEFT 8 PINATTR PinName Mode PINATTR SpiceOrder 17 PIN 0 304 BOTTOM 8 PINATTR PinName GND PINATTR SpiceOrder 18 PIN 48 -304 TOP 8 PINATTR PinName PG PINATTR SpiceOrder 19 PIN 144 240 RIGHT 8 PINATTR PinName FB PINATTR SpiceOrder 20 PIN 80 304 BOTTOM 8 PINATTR PinName Vc PINATTR SpiceOrder 30