Version 4
SymbolType CELL
RECTANGLE Normal -224 -640 224 640
TEXT 0 0 Center 2 LT
WINDOW 0 0 -240 Center 2
WINDOW 3 0 240 Center 2
SYMATTR Value LT3744
SYMATTR Prefix X
SYMATTR SpiceModel LT3744.sub
SYMATTR Value2 LT3744
SYMATTR Description High Current Synchronous Step-Down LED Driver
PIN 48 -640 TOP 8
PINATTR PinName EN/UVLO
PINATTR SpiceOrder 1
PIN -224 -288 LEFT 8
PINATTR PinName CTRL1
PINATTR SpiceOrder 2
PIN -144 -640 TOP 8
PINATTR PinName Vref
PINATTR SpiceOrder 3
PIN -224 -384 LEFT 8
PINATTR PinName CTRL2
PINATTR SpiceOrder 4
PIN -224 -480 LEFT 8
PINATTR PinName CTRL3
PINATTR SpiceOrder 5
PIN -224 -576 LEFT 8
PINATTR PinName CTRLT
PINATTR SpiceOrder 6
PIN -224 0 LEFT 8
PINATTR PinName PWM1
PINATTR SpiceOrder 7
PIN -224 -96 LEFT 8
PINATTR PinName PWM2
PINATTR SpiceOrder 8
PIN -224 -192 LEFT 8
PINATTR PinName PWM3
PINATTR SpiceOrder 9
PIN -224 96 LEFT 8
PINATTR PinName SYNC
PINATTR SpiceOrder 10
PIN -224 192 LEFT 8
PINATTR PinName _Fault
PINATTR SpiceOrder 11
PIN -224 288 LEFT 8
PINATTR PinName SGND
PINATTR SpiceOrder 12
PIN -224 384 LEFT 8
PINATTR PinName Rt
PINATTR SpiceOrder 13
PIN -224 480 LEFT 8
PINATTR PinName SS
PINATTR SpiceOrder 14
PIN 224 96 RIGHT 8
PINATTR PinName LED_ISN
PINATTR SpiceOrder 15
PIN 224 0 RIGHT 8
PINATTR PinName LED_ISP
PINATTR SpiceOrder 16
PIN 224 192 RIGHT 8
PINATTR PinName FB
PINATTR SpiceOrder 17
PIN 144 640 BOTTOM 8
PINATTR PinName Vc3
PINATTR SpiceOrder 18
PIN 0 640 BOTTOM 8
PINATTR PinName Vc2
PINATTR SpiceOrder 19
PIN -144 640 BOTTOM 8
PINATTR PinName Vc1
PINATTR SpiceOrder 20
PIN 224 -96 RIGHT 8
PINATTR PinName ISN
PINATTR SpiceOrder 21
PIN 224 -192 RIGHT 8
PINATTR PinName ISP
PINATTR SpiceOrder 22
PIN 224 480 RIGHT 8
PINATTR PinName PWM_OUT3
PINATTR SpiceOrder 23
PIN 224 576 RIGHT 8
PINATTR PinName VFNEG
PINATTR SpiceOrder 24
PIN 224 384 RIGHT 8
PINATTR PinName PWM_OUT2
PINATTR SpiceOrder 25
PIN -224 576 LEFT 8
PINATTR PinName VEE
PINATTR SpiceOrder 26
PIN 224 288 RIGHT 8
PINATTR PinName PWM_OUT1
PINATTR SpiceOrder 27
PIN 224 -480 RIGHT 8
PINATTR PinName TG
PINATTR SpiceOrder 29
PIN 224 -384 RIGHT 8
PINATTR PinName SW
PINATTR SpiceOrder 30
PIN 224 -576 RIGHT 8
PINATTR PinName Boost
PINATTR SpiceOrder 31
PIN 224 -288 RIGHT 8
PINATTR PinName BG
PINATTR SpiceOrder 32
PIN 144 -640 TOP 8
PINATTR PinName INTVcc
PINATTR SpiceOrder 34
PIN -48 -640 TOP 8
PINATTR PinName Vin
PINATTR SpiceOrder 36