Version 4
SHEET 1 936 680
WIRE -320 -160 -336 -160
WIRE -192 -160 -320 -160
WIRE -48 -160 -192 -160
WIRE -16 -160 -48 -160
WIRE -336 -112 -336 -160
WIRE -48 -64 -48 -160
WIRE -16 -64 -48 -64
WIRE 320 -64 272 -64
WIRE 480 -64 400 -64
WIRE 576 -64 480 -64
WIRE 704 -64 576 -64
WIRE 832 -64 704 -64
WIRE 848 -64 832 -64
WIRE 480 -48 480 -64
WIRE 576 -48 576 -64
WIRE 704 -16 704 -64
WIRE 848 -16 848 -64
WIRE -336 0 -336 -32
WIRE 480 32 272 32
WIRE 576 32 576 16
WIRE 576 32 480 32
WIRE 576 48 576 32
WIRE 704 112 704 48
WIRE 848 112 848 64
WIRE 288 128 272 128
WIRE 384 128 368 128
WIRE 464 128 448 128
WIRE 576 144 576 128
WIRE -112 224 -128 224
WIRE -16 224 -32 224
WIRE 304 320 272 320
WIRE 432 320 384 320
WIRE 128 400 128 384
WIRE -192 464 -192 -160
WIRE 432 464 432 320
WIRE 432 464 -192 464
FLAG -128 224 0
FLAG 128 400 0
FLAG -336 0 0
FLAG -80 320 0
FLAG 464 128 0
FLAG 576 144 0
FLAG 704 112 0
FLAG 848 112 0
FLAG -320 -160 IN
FLAG 832 -64 OUT
SYMBOL PowerProducts\\LT8642S 128 80 R0
SYMATTR InstName U1
SYMBOL res -16 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 17.8k
SYMBOL voltage -336 -128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap -16 304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL res 400 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL ind 304 -48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
WINDOW 39 -42 61 VTop 2
SYMATTR InstName L1
SYMATTR Value 0.28µ
SYMATTR SpiceLine Rser=5m
SYMBOL cap 560 -48 R0
WINDOW 39 24 80 Left 2
SYMATTR InstName C2
SYMATTR Value 47p
SYMBOL cap 448 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL res 560 32 R0
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL res 832 -32 R0
SYMATTR InstName Rload
SYMATTR Value 0.1
SYMBOL cap 688 -16 R0
WINDOW 39 24 80 Left 2
WINDOW 123 24 104 Left 2
SYMATTR SpiceLine Rser=6m
SYMATTR Value2 X2
SYMATTR InstName C3
SYMATTR Value 220µ
SYMBOL res 384 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 11k
SYMBOL res 464 -64 R0
SYMATTR InstName R6
SYMATTR Value 100k
TEXT 504 416 Left 2 !.tran 1m startup