Version 4
SHEET 1 1164 680
WIRE -464 -16 -640 -16
WIRE 368 -16 -384 -16
WIRE 400 -16 368 -16
WIRE 512 -16 480 -16
WIRE 592 -16 512 -16
WIRE 656 -16 592 -16
WIRE 80 16 368 -16
WIRE 368 16 368 -16
WIRE 656 16 656 -16
WIRE -496 32 -592 32
WIRE -352 32 -496 32
WIRE -208 32 -352 32
WIRE 224 32 80 32
WIRE 240 32 224 32
WIRE 80 48 80 32
WIRE -496 64 -496 32
WIRE -640 80 -640 -16
WIRE -208 80 -208 32
WIRE -592 96 -592 32
WIRE 16 96 -160 96
WIRE 512 96 512 -16
WIRE -352 112 -352 32
WIRE 224 112 224 32
WIRE 656 128 656 96
WIRE -64 144 -160 144
WIRE 16 144 16 96
WIRE 80 144 80 128
WIRE 80 144 16 144
WIRE 368 144 368 96
WIRE 800 144 704 144
WIRE -496 160 -496 144
WIRE -64 160 -64 144
WIRE 80 160 80 144
WIRE 800 160 800 144
WIRE -640 176 -640 160
WIRE -592 176 -592 144
WIRE -592 176 -640 176
WIRE 656 224 656 208
WIRE 704 224 704 192
WIRE 704 224 656 224
WIRE -640 256 -640 176
WIRE -496 256 -496 224
WIRE -352 256 -352 192
WIRE -208 256 -208 160
WIRE -64 256 -64 240
WIRE 80 256 80 240
WIRE 224 256 224 192
WIRE 368 256 368 208
WIRE 512 256 512 176
WIRE 656 256 656 224
WIRE 800 256 800 240
FLAG -208 256 0
FLAG -64 256 0
FLAG 80 256 0
FLAG 224 256 0
FLAG 368 256 0
FLAG 512 256 0
FLAG 592 -16 OUT
FLAG 224 32 NFB
FLAG -496 256 0
FLAG -640 256 0
FLAG -352 256 0
FLAG 656 256 0
FLAG 800 256 0
SYMBOL ind -480 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 100µ
SYMBOL cap 352 144 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL res 496 80 R0
SYMATTR InstName RL1
SYMATTR Value 480
SYMBOL voltage 224 96 R0
SYMATTR InstName Vloop
SYMATTR Value AC 1
SYMBOL res 64 32 R0
SYMATTR InstName RFB1
SYMATTR Value 860k
SYMBOL res 64 144 R0
SYMATTR InstName RFB2
SYMATTR Value 100k
SYMBOL voltage -64 144 R0
SYMATTR InstName Vref
SYMATTR Value 1.25
SYMBOL g2 -208 64 M0
SYMATTR InstName Gerr
SYMATTR Value 10m
SYMBOL res -512 48 R0
SYMATTR InstName Rp
SYMATTR Value .1
SYMBOL cap -512 160 R0
SYMATTR InstName Cp
SYMATTR Value 10µ
SYMBOL e -640 64 M0
SYMATTR InstName Esw
SYMATTR Value 1
SYMBOL res -368 96 R0
SYMATTR InstName Ro
SYMATTR Value 100k
SYMBOL res 352 0 R0
SYMATTR InstName Resr
SYMATTR Value 5m
SYMBOL res 640 0 R0
SYMATTR InstName RL2
SYMATTR Value 48
SYMBOL sw 656 224 R180
SYMATTR InstName S1
SYMBOL voltage 800 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 10 50m 1u 1u 25m 1)
SYMBOL res 384 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName Risense
SYMATTR Value 1µ
TEXT 810 24 Left 2 !.ac dec 100 1 10Meg
TEXT 808 -8 Left 2 !;.tran 100m startup
TEXT 808 120 Left 2 !.model sw sw(Ron=1m Vt=5V)