Version 4 SymbolType BLOCK RECTANGLE Normal 192 448 -192 -448 TEXT 0 0 Center 2 LT WINDOW 3 0 144 Center 2 WINDOW 0 0 -144 Center 2 SYMATTR Value LT3640 SYMATTR Prefix X SYMATTR SpiceModel LT3640.sub SYMATTR Value2 LT3640 SYMATTR Description Dual Monalithic Buck Regulator with Power-On Reset and Watchdog Timer PIN -96 448 BOTTOM 8 PINATTR PinName SS1 PINATTR SpiceOrder 2 PIN 192 0 RIGHT 8 PINATTR PinName FB1 PINATTR SpiceOrder 3 PIN -192 384 LEFT 8 PINATTR PinName Rt PINATTR SpiceOrder 4 PIN -192 -96 LEFT 8 PINATTR PinName _RST2 PINATTR SpiceOrder 5 PIN -192 -192 LEFT 8 PINATTR PinName _RST1 PINATTR SpiceOrder 6 PIN -192 0 LEFT 8 PINATTR PinName _WDO PINATTR SpiceOrder 7 PIN -192 192 LEFT 8 PINATTR PinName CWDT PINATTR SpiceOrder 8 PIN -192 288 LEFT 8 PINATTR PinName CPOR PINATTR SpiceOrder 9 PIN -192 -288 LEFT 8 PINATTR PinName _WDE PINATTR SpiceOrder 10 PIN -192 96 LEFT 8 PINATTR PinName WDI PINATTR SpiceOrder 11 PIN 0 448 BOTTOM 8 PINATTR PinName GND PINATTR SpiceOrder 12 PIN 192 -96 RIGHT 8 PINATTR PinName DA PINATTR SpiceOrder 15 PIN 192 -192 RIGHT 8 PINATTR PinName SW1 PINATTR SpiceOrder 16 PIN 192 -288 RIGHT 8 PINATTR PinName SW PINATTR SpiceOrder 17 PIN 192 -384 RIGHT 8 PINATTR PinName BST PINATTR SpiceOrder 18 PIN 64 -448 TOP 8 PINATTR PinName Vin PINATTR SpiceOrder 19 PIN 192 96 RIGHT 8 PINATTR PinName Vin2 PINATTR SpiceOrder 21 PIN 192 288 RIGHT 8 PINATTR PinName SW2 PINATTR SpiceOrder 22 PIN 192 192 RIGHT 8 PINATTR PinName EN2 PINATTR SpiceOrder 24 PIN 96 448 BOTTOM 8 PINATTR PinName SS2 PINATTR SpiceOrder 25 PIN 192 384 RIGHT 8 PINATTR PinName FB2 PINATTR SpiceOrder 26 PIN -192 -384 LEFT 8 PINATTR PinName _PGOOD PINATTR SpiceOrder 27 PIN -64 -448 TOP 8 PINATTR PinName EN/UVLO PINATTR SpiceOrder 28