Version 4
SHEET 1 916 680
WIRE -64 -352 -400 -352
WIRE 80 -352 -64 -352
WIRE 192 -352 80 -352
WIRE 272 -352 192 -352
WIRE 80 -320 80 -352
WIRE -224 -288 -304 -288
WIRE -224 -256 -224 -288
WIRE 192 -256 192 -352
WIRE -32 -208 -144 -208
WIRE 80 -208 80 -240
WIRE 80 -208 48 -208
WIRE 128 -208 80 -208
WIRE -64 -160 -64 -352
WIRE -224 -144 -224 -176
WIRE -96 -144 -224 -144
WIRE 272 -144 272 -352
WIRE 80 -128 80 -208
WIRE 80 -128 -32 -128
WIRE 96 -128 80 -128
WIRE 192 -128 192 -160
WIRE 192 -128 160 -128
WIRE 224 -128 192 -128
WIRE -144 -112 -144 -208
WIRE -96 -112 -144 -112
WIRE -400 -64 -400 -352
WIRE -304 -64 -304 -288
WIRE -224 -16 -224 -144
WIRE -144 -16 -144 -112
WIRE 272 -16 272 -48
WIRE 352 -16 272 -16
WIRE 272 32 272 -16
WIRE 352 48 352 -16
WIRE -144 160 -144 64
WIRE -48 160 -144 160
WIRE 32 160 16 160
WIRE 112 160 96 160
WIRE 192 160 176 160
WIRE 272 160 272 112
WIRE 272 160 256 160
WIRE -144 192 -144 160
WIRE -400 304 -400 16
WIRE -304 304 -304 16
WIRE -224 304 -224 64
WIRE -144 304 -144 272
WIRE -64 304 -64 -96
WIRE 352 304 352 112
FLAG 352 304 0
FLAG -144 304 0
FLAG -64 304 0
FLAG -224 304 0
FLAG -304 304 0
FLAG -400 304 0
SYMBOL res -160 288 M180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R4
SYMATTR Value 1.5
SYMBOL voltage -400 -80 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 18V
SYMBOL ind 256 128 M180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L1
SYMATTR Value 2mH
SYMBOL schottky 336 112 M180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D6
SYMATTR Value SS24
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage -304 -80 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 2.495V
SYMBOL res -240 80 M180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R2
SYMATTR Value 1k5
SYMBOL res -240 -160 M180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R1
SYMATTR Value 5k6
SYMBOL res 64 -192 M270
WINDOW 0 27 56 VTop 0
WINDOW 3 6 56 VBottom 0
SYMATTR InstName R5
SYMATTR Value 1Meg
SYMBOL res -160 80 M180
WINDOW 0 36 76 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R3
SYMATTR Value 220
SYMBOL mypmos 224 -48 M180
SYMATTR InstName U2
SYMATTR Value IRF5305
SYMBOL Opamps\\opamp2 -64 -192 R0
SYMATTR InstName U1
SYMATTR Value LM339
SYMBOL res 64 -336 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL diode 160 -144 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL npn 128 -256 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL LED 256 144 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D4
SYMATTR Value LXHL-BW02
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 176 144 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D3
SYMATTR Value LXHL-BW02
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 96 144 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D2
SYMATTR Value LXHL-BW02
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 16 144 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D1
SYMATTR Value LXHL-BW02
SYMATTR Description Diode
SYMATTR Type diode
TEXT 32 48 Left 0 !.include lm339.mod
TEXT 32 0 Left 0 !.tran 400us uic
TEXT 32 24 Left 0 !.include irf5305.mod