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 LT8643S
SYMATTR Prefix X
SYMATTR SpiceModel LT8643S.sub
SYMATTR Value2 LT8643S
SYMATTR Description 42V, 6A Synchronous Step-Down Silent Switcher with 2.5ľA Quiescent Current with External Compensation (Internal capacitors for Vin, Vcc, BootStrap)
PIN 144 0 RIGHT 8
PINATTR PinName Bias
PINATTR SpiceOrder 1
PIN -144 0 LEFT 8
PINATTR PinName INTVcc
PINATTR SpiceOrder 2
PIN 144 80 RIGHT 8
PINATTR PinName BST
PINATTR SpiceOrder 3
PIN -144 -240 LEFT 8
PINATTR PinName Vin1
PINATTR SpiceOrder 4
PIN -48 304 BOTTOM 8
PINATTR PinName CLKOUT
PINATTR SpiceOrder 5
PIN -144 -160 LEFT 8
PINATTR PinName GND1
PINATTR SpiceOrder 6
PIN -144 -80 LEFT 8
PINATTR PinName Vc
PINATTR SpiceOrder 7
PIN 144 160 RIGHT 8
PINATTR PinName SW
PINATTR SpiceOrder 8
PIN 144 -160 RIGHT 8
PINATTR PinName GND2
PINATTR SpiceOrder 10
PIN 144 -240 RIGHT 8
PINATTR PinName Vin2
PINATTR SpiceOrder 13
PIN 0 -304 TOP 8
PINATTR PinName EN/UV
PINATTR SpiceOrder 14
PIN -144 160 LEFT 8
PINATTR PinName Rt
PINATTR SpiceOrder 15
PIN -144 240 LEFT 8
PINATTR PinName TR/SS
PINATTR SpiceOrder 16
PIN -144 80 LEFT 8
PINATTR PinName Mode
PINATTR SpiceOrder 17
PIN 48 304 BOTTOM 8
PINATTR PinName GND
PINATTR SpiceOrder 18
PIN 144 -80 RIGHT 8
PINATTR PinName PG
PINATTR SpiceOrder 19
PIN 144 240 RIGHT 8
PINATTR PinName FB
PINATTR SpiceOrder 20