Version 4 SymbolType CELL RECTANGLE Normal -256 -240 256 240 TEXT 0 -40 Center 2 LT WINDOW 0 0 -128 Center 2 WINDOW 3 0 40 Center 2 SYMATTR Value LTC1143 SYMATTR Prefix X SYMATTR SpiceModel LTC1143.sub SYMATTR Value2 LTC1143 SYMATTR Description Dual High Efficiency SO-16 Step-Down Switching Regulator Controller, Fixed 3.3V and 5V Outputs PIN -256 -80 LEFT 8 PINATTR PinName Sense+3 PINATTR SpiceOrder 1 PIN -256 80 LEFT 8 PINATTR PinName SHDN3 PINATTR SpiceOrder 2 PIN -192 240 BOTTOM 8 PINATTR PinName GND3 PINATTR SpiceOrder 3 PIN -256 -160 LEFT 8 PINATTR PinName P-drive3 PINATTR SpiceOrder 4 PIN 128 -240 TOP 8 PINATTR PinName Vin5 PINATTR SpiceOrder 5 PIN 64 240 BOTTOM 8 PINATTR PinName Ct5 PINATTR SpiceOrder 6 PIN 256 160 RIGHT 8 PINATTR PinName Ith5 PINATTR SpiceOrder 7 PIN 256 0 RIGHT 8 PINATTR PinName Sense-5 PINATTR SpiceOrder 8 PIN 256 -80 RIGHT 8 PINATTR PinName Sense+5 PINATTR SpiceOrder 9 PIN 256 80 RIGHT 8 PINATTR PinName SHND5 PINATTR SpiceOrder 10 PIN 192 240 BOTTOM 8 PINATTR PinName GND5 PINATTR SpiceOrder 11 PIN 256 -160 RIGHT 8 PINATTR PinName P-drive5 PINATTR SpiceOrder 12 PIN -128 -240 TOP 8 PINATTR PinName Vin3 PINATTR SpiceOrder 13 PIN -64 240 BOTTOM 8 PINATTR PinName Ct3 PINATTR SpiceOrder 14 PIN -256 160 LEFT 8 PINATTR PinName Ith3 PINATTR SpiceOrder 15 PIN -256 0 LEFT 8 PINATTR PinName Sense-3 PINATTR SpiceOrder 16