Version 4
SHEET 1 2096 788
WIRE -384 -528 -480 -528
WIRE -208 -528 -384 -528
WIRE -48 -528 -208 -528
WIRE 64 -528 -48 -528
WIRE 240 -528 64 -528
WIRE 432 -528 240 -528
WIRE 528 -528 432 -528
WIRE 624 -528 592 -528
WIRE 656 -528 624 -528
WIRE 768 -528 720 -528
WIRE 816 -528 768 -528
WIRE 944 -528 896 -528
WIRE 1056 -528 944 -528
WIRE 1616 -528 1152 -528
WIRE 1680 -528 1616 -528
WIRE 1808 -528 1680 -528
WIRE 1904 -528 1808 -528
WIRE 2000 -528 1904 -528
WIRE 1616 -480 1616 -528
WIRE 1680 -480 1680 -528
WIRE 1808 -480 1808 -528
WIRE -480 -400 -480 -528
WIRE -416 -400 -480 -400
WIRE 944 -384 944 -528
WIRE 1232 -384 944 -384
WIRE -48 -368 -48 -528
WIRE -480 -352 -480 -400
WIRE -416 -352 -416 -400
WIRE 1232 -352 1232 -384
WIRE 1232 -256 1232 -272
WIRE 1296 -256 1232 -256
WIRE 1424 -256 1376 -256
WIRE 1616 -256 1616 -400
WIRE 1616 -256 1488 -256
WIRE -480 -224 -480 -272
WIRE -416 -224 -416 -272
WIRE -416 -224 -480 -224
WIRE 944 -224 944 -384
WIRE 976 -224 944 -224
WIRE 1104 -224 1104 -464
WIRE 1104 -224 1056 -224
WIRE 240 -208 240 -528
WIRE 1104 -176 1104 -224
WIRE -48 -160 -48 -288
WIRE 160 -160 -48 -160
WIRE 176 -160 160 -160
WIRE -480 -144 -480 -224
WIRE 1232 -128 1232 -256
WIRE 1232 -128 1168 -128
WIRE 1264 -128 1232 -128
WIRE 1616 -128 1616 -256
WIRE 1616 -128 1520 -128
WIRE -384 -112 -384 -528
WIRE 1904 -96 1904 -528
WIRE 2000 -96 2000 -528
WIRE 624 -80 624 -528
WIRE 768 -80 768 -528
WIRE 944 -80 944 -224
WIRE 432 -64 432 -528
WIRE 64 -48 64 -528
WIRE 240 -48 240 -112
WIRE 304 -48 240 -48
WIRE 384 -48 304 -48
WIRE 1232 0 1232 -128
WIRE 1264 0 1232 0
WIRE 1552 0 1520 0
WIRE -480 16 -480 -64
WIRE -208 64 -208 -528
WIRE -48 64 -48 -160
WIRE 1552 64 1552 0
WIRE 1552 64 1520 64
WIRE -272 112 -320 112
WIRE 64 112 64 32
WIRE 64 112 16 112
WIRE 96 112 64 112
WIRE 240 112 240 -48
WIRE 240 112 176 112
WIRE 432 112 432 32
WIRE 624 112 624 -16
WIRE 624 112 432 112
WIRE 1104 112 1104 -80
WIRE 1616 112 1616 -128
WIRE -112 160 -208 160
WIRE -48 160 -112 160
WIRE 432 208 432 112
WIRE 768 224 768 -16
WIRE 768 224 512 224
WIRE 944 224 944 -16
WIRE 944 224 768 224
WIRE 1104 224 1104 192
WIRE 1104 224 944 224
WIRE 1392 224 1104 224
WIRE 1552 224 1552 64
WIRE 1552 224 1392 224
WIRE 1616 224 1616 192
WIRE 1616 224 1552 224
WIRE 1904 224 1904 -32
WIRE 1904 224 1616 224
WIRE 2000 224 2000 -16
WIRE 2000 224 1904 224
WIRE -320 272 -320 112
WIRE -288 272 -320 272
WIRE 240 272 240 112
WIRE 240 272 -208 272
WIRE 304 288 304 -48
WIRE 384 288 304 288
WIRE -112 320 -112 160
WIRE 64 320 64 112
WIRE -320 336 -320 272
WIRE 304 336 304 288
WIRE 1680 336 1680 -400
WIRE 1712 336 1680 336
WIRE 1808 336 1808 -400
WIRE 1808 336 1776 336
WIRE 624 352 624 112
WIRE 768 352 768 224
WIRE 944 352 944 224
WIRE 1680 400 1680 336
WIRE 1680 400 1568 400
WIRE 1712 400 1680 400
WIRE 1904 416 1904 224
WIRE 1392 448 1392 224
WIRE 1504 448 1392 448
WIRE 1808 448 1808 336
WIRE 1808 448 1776 448
WIRE 2000 448 2000 224
WIRE 304 464 304 416
WIRE 624 464 624 416
WIRE 624 464 304 464
WIRE 1456 528 1392 528
WIRE 1568 528 1568 496
WIRE 1568 528 1536 528
WIRE 1808 544 1808 448
WIRE 1392 576 1392 528
WIRE 1712 576 1712 496
WIRE 1712 576 1392 576
WIRE 1568 608 1568 528
WIRE -480 672 -480 96
WIRE -384 672 -384 -48
WIRE -384 672 -480 672
WIRE -320 672 -320 400
WIRE -320 672 -384 672
WIRE -112 672 -112 400
WIRE -112 672 -320 672
WIRE 64 672 64 400
WIRE 64 672 -112 672
WIRE 432 672 432 304
WIRE 432 672 64 672
WIRE 512 672 512 224
WIRE 512 672 432 672
WIRE 544 672 512 672
WIRE 624 672 624 464
WIRE 624 672 608 672
WIRE 656 672 624 672
WIRE 768 672 768 416
WIRE 768 672 720 672
WIRE 816 672 768 672
WIRE 944 672 944 416
WIRE 944 672 896 672
WIRE 1392 672 1392 576
WIRE 1392 672 944 672
WIRE 1520 672 1392 672
WIRE 1808 672 1808 624
WIRE 1808 672 1616 672
WIRE 1904 672 1904 480
WIRE 1904 672 1808 672
WIRE 2000 672 2000 528
WIRE 2000 672 1904 672
WIRE -480 688 -480 672
FLAG -480 688 0
FLAG -320 112 Vb
FLAG 160 -160 Vc
FLAG 432 112 Vout
FLAG 944 -528 Vucc
FLAG 944 672 Vuee
FLAG 1904 -528 Vcc
FLAG 1904 672 Vee
SYMBOL npn -272 64 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL Misc\\battery -480 0 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res -192 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL cap -336 336 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL cap 608 -80 R0
SYMATTR InstName C3
SYMATTR Value 1u
SYMBOL cap 608 352 R0
SYMATTR InstName C4
SYMATTR Value 1u
SYMBOL schottky 528 -512 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBR0540
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 656 -512 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MBR0540
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 608 688 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMATTR Value MBR0540
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 720 688 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D4
SYMATTR Value MBR0540
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1984 -112 R0
SYMATTR InstName R8
SYMATTR Value 700
SYMBOL res 1984 432 R0
SYMATTR InstName R9
SYMATTR Value 330
SYMBOL npn 16 64 M0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res 48 -64 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 48 304 R0
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL pnp 176 -112 M180
SYMATTR InstName Q3
SYMATTR Value 2N3906
SYMBOL res 288 320 R0
SYMATTR InstName R4
SYMATTR Value 470
SYMBOL res 192 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res -128 304 R0
SYMATTR InstName R1
SYMATTR Value 4.7k
SYMBOL polcap 752 -80 R0
SYMATTR InstName C2
SYMATTR Value 27u
SYMATTR SpiceLine Rser=0.05
SYMBOL polcap 752 352 R0
SYMATTR InstName C5
SYMATTR Value 27u
SYMATTR SpiceLine Rser=0.05
SYMBOL Misc\\BSS84ztx 384 32 M180
SYMATTR InstName U1
SYMBOL Misc\\BSS138ztx 384 208 R0
SYMATTR InstName U2
SYMBOL res -64 -384 R0
SYMATTR InstName R2
SYMATTR Value 3.3k
SYMBOL polcap 1888 -96 R0
SYMATTR InstName C6
SYMATTR Value 100u
SYMATTR SpiceLine Rser=0.05
SYMBOL res 1600 -496 R0
SYMATTR InstName R12
SYMATTR Value 2.2k
SYMBOL res 1600 96 R0
SYMATTR InstName R13
SYMATTR Value 1k
SYMBOL npn 1168 -176 M0
SYMATTR InstName Q5
SYMATTR Value 2N3904
SYMBOL res 1088 96 R0
SYMATTR InstName R6
SYMATTR Value 2.2k
SYMBOL pnp 1152 -464 M270
SYMATTR InstName Q4
SYMATTR Value 2N4403
SYMBOL res 1216 -368 R0
SYMATTR InstName R14
SYMATTR Value 3.3k
SYMBOL polcap 928 -80 R0
SYMATTR InstName C7
SYMATTR Value 27u
SYMBOL res 1072 -240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R15
SYMATTR Value 680
SYMBOL npn 1616 608 R90
SYMATTR InstName Q6
SYMATTR Value 2N4401
SYMBOL res 1792 -496 R0
SYMATTR InstName R16
SYMATTR Value 24.7k
SYMBOL res 1792 528 R0
SYMATTR InstName R17
SYMATTR Value 10k
SYMBOL pnp 1776 496 R180
SYMATTR InstName Q7
SYMATTR Value 2N3906
SYMBOL pnp 1504 496 M180
SYMATTR InstName Q8
SYMATTR Value 2N3906
SYMBOL res 1664 -496 R0
SYMATTR InstName R18
SYMATTR Value 3.9k
SYMBOL res 1552 512 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 680
SYMBOL polcap 1888 416 R0
SYMATTR InstName C8
SYMATTR Value 100u
SYMATTR SpiceLine Rser=0.05
SYMBOL polcap 928 352 R0
SYMATTR InstName C9
SYMATTR Value 27u
SYMATTR SpiceLine Rser=0.05
SYMBOL ind 800 -512 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10u
SYMBOL ind 800 688 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 10u
SYMBOL res -496 -160 R0
SYMATTR InstName R11
SYMATTR Value 1
SYMBOL polcap -400 -112 R0
SYMATTR InstName C10
SYMATTR Value 100u
SYMATTR SpiceLine Rser=0.03
SYMBOL ind -464 -368 M0
SYMATTR InstName L3
SYMATTR Value 33u
SYMBOL res -432 -368 R0
SYMATTR InstName R20
SYMATTR Value 330
SYMBOL References\\LT1431 1392 -32 R0
SYMATTR InstName U3
SYMBOL diode 1776 320 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL res 1392 -272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 33k
SYMBOL cap 1488 -272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 470p
TEXT -432 712 Left 2 !.tran 0 100m 0 5u
TEXT -296 208 Left 2 ;.IC V(Vb)=0V
TEXT 1272 -200 Left 2 ;TL431 alternative
TEXT -472 -152 Left 2 ;PolySW
TEXT 2008 -120 Left 2 ;Rload
TEXT 2008 424 Left 2 ;Rload