Version 4
SymbolType CELL
RECTANGLE Normal -256 -464 256 384
TEXT 0 -40 Center 2 LT
WINDOW 0 0 -200 Center 2
WINDOW 3 0 200 Center 2
SYMATTR Value LTC1437A
SYMATTR Value2 LTC1437A
SYMATTR Prefix X
SYMATTR SpiceModel LTC1437A.sub
SYMATTR Description High Efficiency Low Noise Synchronous Step-Down Switching Regulator
PIN -256 -400 LEFT 8
PINATTR PinName PLL LPF
PINATTR SpiceOrder 1
PIN -256 80 LEFT 8
PINATTR PinName Cosc
PINATTR SpiceOrder 2
PIN 256 320 RIGHT 8
PINATTR PinName Run/SS
PINATTR SpiceOrder 3
PIN -256 0 LEFT 8
PINATTR PinName LBO
PINATTR SpiceOrder 4
PIN -256 -80 LEFT 8
PINATTR PinName LBI
PINATTR SpiceOrder 5
PIN -256 -240 LEFT 8
PINATTR PinName Ith
PINATTR SpiceOrder 6
PIN -256 -320 LEFT 8
PINATTR PinName SFB
PINATTR SpiceOrder 7
PIN -112 384 BOTTOM 8
PINATTR PinName SGND
PINATTR SpiceOrder 8
PIN -256 -160 LEFT 8
PINATTR PinName Vprog
PINATTR SpiceOrder 9
PIN 256 240 RIGHT 8
PINATTR PinName Vosense
PINATTR SpiceOrder 10
PIN 256 160 RIGHT 8
PINATTR PinName Sense-
PINATTR SpiceOrder 12
PIN 256 80 RIGHT 8
PINATTR PinName Sense+
PINATTR SpiceOrder 13
PIN -256 320 LEFT 8
PINATTR PinName AUXON
PINATTR SpiceOrder 14
PIN -256 240 LEFT 8
PINATTR PinName AUXFB
PINATTR SpiceOrder 15
PIN -256 160 LEFT 8
PINATTR PinName AUXDR
PINATTR SpiceOrder 16
PIN -64 -464 TOP 8
PINATTR PinName ExtVcc
PINATTR SpiceOrder 17
PIN 112 384 BOTTOM 8
PINATTR PinName PGND
PINATTR SpiceOrder 18
PIN 256 0 RIGHT 8
PINATTR PinName BG
PINATTR SpiceOrder 19
PIN 64 -464 TOP 8
PINATTR PinName DRVcc
PINATTR SpiceOrder 20
PIN 192 -464 TOP 8
PINATTR PinName IntVcc
PINATTR SpiceOrder 21
PIN -192 -464 TOP 8
PINATTR PinName Vin
PINATTR SpiceOrder 22
PIN 256 -240 RIGHT 8
PINATTR PinName TGS
PINATTR SpiceOrder 23
PIN 256 -80 RIGHT 8
PINATTR PinName SW
PINATTR SpiceOrder 24
PIN 256 -160 RIGHT 8
PINATTR PinName TGL
PINATTR SpiceOrder 25
PIN 256 -320 RIGHT 8
PINATTR PinName Boost
PINATTR SpiceOrder 26
PIN 256 -400 RIGHT 8
PINATTR PinName PLLIN
PINATTR SpiceOrder 28