Version 4
SHEET 1 2288 1168
WIRE 32 -256 -128 -256
WIRE 672 -256 32 -256
WIRE 800 -256 672 -256
WIRE 944 -256 800 -256
WIRE 1104 -256 1008 -256
WIRE 1264 -256 1168 -256
WIRE 1360 -256 1264 -256
WIRE 1472 -256 1360 -256
WIRE -128 -240 -128 -256
WIRE 944 -240 944 -256
WIRE 1008 -240 1008 -256
WIRE 1264 -240 1264 -256
WIRE 1360 -240 1360 -256
WIRE 1472 -240 1472 -256
WIRE 672 -224 672 -256
WIRE 160 -208 96 -208
WIRE 224 -208 160 -208
WIRE 336 -208 288 -208
WIRE 480 -208 336 -208
WIRE 560 -208 480 -208
WIRE 96 -192 96 -208
WIRE 560 -192 560 -208
WIRE -128 -144 -128 -160
WIRE 336 -144 336 -208
WIRE 800 -144 800 -256
WIRE 1008 -144 1008 -160
WIRE 1264 -144 1264 -176
WIRE 1360 -144 1360 -176
WIRE 1472 -144 1472 -160
WIRE 96 -112 96 -128
WIRE 560 -96 560 -112
WIRE 32 -80 32 -256
WIRE 160 -80 160 -208
WIRE 672 -80 672 -160
WIRE 480 -32 480 -208
WIRE -64 0 -176 0
WIRE 336 0 336 -80
WIRE 336 0 256 0
WIRE 672 16 672 -16
WIRE 800 16 800 -80
WIRE 800 16 672 16
WIRE 944 16 944 -160
WIRE 944 16 800 16
WIRE 336 80 288 80
WIRE 480 80 480 48
WIRE 480 80 336 80
WIRE -176 96 -176 0
WIRE -64 96 -176 96
WIRE 288 96 288 80
WIRE 288 96 256 96
WIRE 336 96 336 80
WIRE 480 96 480 80
WIRE -176 112 -176 96
WIRE -176 192 -176 176
WIRE -64 192 -176 192
WIRE 336 192 336 176
WIRE 336 192 256 192
WIRE 480 192 480 176
WIRE -176 208 -176 192
WIRE 944 208 944 16
WIRE 896 288 256 288
WIRE -160 384 -176 384
WIRE -64 384 -96 384
WIRE 944 384 944 304
WIRE 944 384 256 384
WIRE 944 400 944 384
WIRE 160 480 160 464
WIRE 944 496 944 480
WIRE 32 512 32 464
WIRE 32 608 32 592
FLAG 1360 -144 0
FLAG 1008 -144 0
FLAG 1472 -144 0
FLAG -128 -256 IN
FLAG 1472 -256 OUT
FLAG 1264 -144 0
FLAG 560 -96 0
FLAG -128 -144 0
FLAG 96 -112 0
FLAG -176 208 0
FLAG -176 384 0
FLAG 32 608 0
FLAG 160 480 0
FLAG 480 192 0
FLAG 944 496 0
SYMBOL voltage -128 -256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vin
SYMATTR Value 420
SYMBOL ind2 928 -256 R0
WINDOW 0 -3 37 Right 2
WINDOW 3 -2 74 Right 2
SYMATTR InstName L1
SYMATTR Value 540µ
SYMATTR SpiceLine Rser=0.5
SYMATTR Type ind
SYMBOL ind2 1024 -144 R180
WINDOW 0 -4 72 Right 2
WINDOW 3 -3 34 Right 2
SYMATTR InstName L2
SYMATTR Value 8.44µ
SYMATTR SpiceLine Rser=0.03 Cpar=0.5p
SYMATTR Type ind
SYMBOL cap 1344 -240 R0
SYMATTR SpiceLine Rser=50m
SYMATTR InstName C2
SYMATTR Value 1200µ
SYMBOL schottky 1104 -240 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value RB058L150
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 928 384 R0
SYMATTR InstName Rsense
SYMATTR Value 40m
SYMBOL res 1456 -256 R0
SYMATTR InstName Rload
SYMATTR Value 4
SYMBOL cap 320 -80 M180
WINDOW 123 24 6 Left 2
WINDOW 0 24 56 Left 2
WINDOW 3 47 32 Left 2
SYMATTR Value2 Rser=10K
SYMATTR InstName C3
SYMATTR Value 47p
SYMBOL res 320 80 R0
SYMATTR InstName R4
SYMATTR Value 108K
SYMBOL res 464 -48 R0
SYMATTR InstName R5
SYMATTR Value 44.2K
SYMBOL res 464 80 R0
SYMATTR InstName R6
SYMATTR Value 4.99K
SYMBOL diode 656 -16 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value RFN1L7S
SYMBOL ind2 544 -96 M180
WINDOW 0 43 76 Left 2
WINDOW 3 41 42 Left 2
SYMATTR InstName L3
SYMATTR Value 8.44µ
SYMATTR SpiceLine Rser=0.6
SYMATTR Type ind
SYMBOL cap -192 112 R0
SYMATTR InstName C5
SYMATTR Value 4.7µ
SYMBOL cap 784 -144 R0
WINDOW 123 26 65 Left 2
WINDOW 3 38 41 Left 2
SYMATTR Value2 Rser=25
SYMATTR Value 90p
SYMATTR InstName C7
SYMBOL cap 1248 -240 R0
SYMATTR SpiceLine Rser=2m
SYMATTR InstName C8
SYMATTR Value 100µ
SYMBOL cap -96 400 M270
WINDOW 39 -21 32 VBottom 2
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR SpiceLine Rser=20K
SYMATTR InstName C9
SYMATTR Value 100n
SYMBOL res 16 496 R0
SYMATTR InstName R9
SYMATTR Value 61.9K
SYMBOL NMOS 896 208 R0
SYMATTR InstName M1
SYMATTR Value STW11NM80
SYMBOL cap 80 -192 R0
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL LT8316 96 192 R0
SYMATTR InstName U1
SYMBOL schottky 288 -192 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value RB058L150
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL zener 656 -224 R0
WINDOW 123 47 32 Left 2
SYMATTR Value2 N=2
SYMATTR InstName D5
SYMATTR Value 1N5378B
SYMATTR Description Diode
SYMATTR Type diode
TEXT 976 -256 Bottom 2 !K1 L1 L2 L3 0.993
TEXT 976 -296 Bottom 2 ;8:1:1
TEXT 184 592 Left 2 !.tran 160m startup