Version 4
SHEET 1 1520 1092
WIRE 848 -432 -368 -432
WIRE 672 -400 -320 -400
WIRE -320 -368 -320 -400
WIRE 112 -320 -112 -320
WIRE 672 -320 672 -400
WIRE 672 -320 112 -320
WIRE 720 -320 672 -320
WIRE 848 -320 848 -432
WIRE 848 -320 800 -320
WIRE 912 -320 848 -320
WIRE 912 -304 912 -320
WIRE -112 -288 -112 -320
WIRE 112 -288 112 -320
WIRE -320 -224 -320 -288
WIRE -272 -224 -320 -224
WIRE 288 -224 240 -224
WIRE 480 -224 288 -224
WIRE -320 -208 -320 -224
WIRE 480 -208 480 -224
WIRE 672 -208 672 -320
WIRE 912 -208 912 -224
WIRE -368 -128 -368 -432
WIRE -320 -128 -320 -144
WIRE -320 -128 -368 -128
WIRE -272 -128 -320 -128
WIRE 624 -128 240 -128
WIRE 288 -112 288 -224
WIRE -352 -32 -368 -32
WIRE -272 -32 -288 -32
WIRE 480 -32 480 -144
WIRE 480 -32 240 -32
WIRE 672 -32 672 -112
WIRE 672 -32 480 -32
WIRE 912 -32 672 -32
WIRE 288 64 288 -48
WIRE 288 64 240 64
WIRE 432 64 288 64
WIRE 480 64 432 64
WIRE 480 80 480 64
WIRE 672 80 672 -32
WIRE 912 80 912 -32
WIRE 624 160 240 160
WIRE 288 176 288 64
WIRE -384 256 -448 256
WIRE -272 256 -304 256
WIRE 480 256 480 144
WIRE 480 256 240 256
WIRE 672 256 672 176
WIRE 672 256 480 256
WIRE 768 256 672 256
WIRE 976 256 768 256
WIRE 1200 256 1072 256
WIRE 768 272 768 256
WIRE 1200 272 1200 256
WIRE -448 352 -448 256
WIRE -384 352 -448 352
WIRE -272 352 -304 352
WIRE 544 352 240 352
WIRE 576 352 544 352
WIRE 672 352 672 256
WIRE 672 352 656 352
WIRE 544 368 544 352
WIRE 768 368 768 336
WIRE 1200 368 1200 352
WIRE 1056 400 1056 304
WIRE -448 448 -448 352
WIRE -384 448 -448 448
WIRE -272 448 -304 448
WIRE 288 448 288 240
WIRE 288 448 240 448
WIRE 480 448 288 448
WIRE 544 448 544 432
WIRE 480 464 480 448
WIRE 672 464 672 352
WIRE -384 544 -400 544
WIRE -272 544 -304 544
WIRE 624 544 240 544
WIRE 1056 544 1056 480
WIRE 1056 544 960 544
WIRE 288 560 288 448
WIRE 1056 560 1056 544
WIRE -272 640 -288 640
WIRE 480 640 480 528
WIRE 480 640 240 640
WIRE 672 640 672 560
WIRE 672 640 480 640
WIRE 912 640 912 144
WIRE 912 640 672 640
WIRE 672 656 672 640
WIRE 1056 656 1056 624
WIRE -448 736 -448 448
WIRE -272 736 -448 736
WIRE 624 736 240 736
WIRE 672 768 672 752
WIRE -16 784 -16 768
WIRE -448 816 -448 736
WIRE 288 816 288 624
WIRE 288 816 -448 816
WIRE 432 816 432 64
WIRE 816 816 432 816
WIRE 960 816 960 544
WIRE 960 816 896 816
WIRE 288 832 288 816
WIRE 288 912 288 896
WIRE -288 944 -288 640
WIRE 960 944 960 816
WIRE 960 944 -288 944
FLAG 672 768 0
FLAG 544 448 0
FLAG 288 912 0
FLAG 912 -208 0
FLAG -16 784 0
FLAG -368 -32 0
FLAG -400 544 0
FLAG 768 368 0
FLAG 912 -320 IN
FLAG 768 256 OUT
FLAG 1056 656 0
FLAG 1200 368 0
SYMBOL nmos 624 656 R0
SYMATTR InstName Q1
SYMATTR Value BSC031N06NS3
SYMBOL nmos 624 464 R0
SYMATTR InstName Q2
SYMATTR Value BSC031N06NS3
SYMBOL nmos 624 80 R0
SYMATTR InstName Q3
SYMATTR Value BSC034N03LS
SYMBOL res 672 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL cap 528 368 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL cap 464 464 R0
SYMATTR InstName C2
SYMATTR Value 1µ
SYMBOL cap 464 80 R0
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL cap 464 -208 R0
SYMATTR InstName C4
SYMATTR Value .1µ
SYMBOL diode 272 624 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value CMDSH2-3
SYMBOL diode 272 240 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value CMDSH2-3
SYMBOL diode 272 -48 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value CMDSH2-3
SYMBOL cap 272 832 R0
SYMATTR InstName C5
SYMATTR Value 4.7µ
SYMBOL res 816 -336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 5m
SYMBOL voltage 912 -320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL cap -288 -48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value .1µ
SYMBOL res -288 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res -288 432 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL res -288 528 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 40K
SYMBOL res -288 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10K
SYMBOL cap 752 272 R0
SYMATTR InstName C7
SYMATTR Value 10µ
SYMBOL cap 896 80 R0
WINDOW 123 26 62 Left 2
WINDOW 3 43 34 Left 2
SYMATTR Value2 x6
SYMATTR Value 10µ
SYMATTR InstName C8
SYMBOL res -336 -384 R0
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL cap -336 -208 R0
SYMATTR InstName C9
SYMATTR Value .1µ
SYMBOL nmos 976 304 R270
WINDOW 0 80 39 VTop 2
WINDOW 3 51 41 VTop 2
SYMATTR InstName Q4
SYMATTR Value BSC034N03LS
SYMBOL res 1040 384 R0
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL cap 1040 560 R0
SYMATTR InstName C10
SYMATTR Value 10n
SYMBOL res 912 800 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 200K
SYMBOL nmos 624 -208 R0
SYMATTR InstName Q5
SYMATTR Value BSC100N06LS3
SYMBOL PowerProducts\\LTC7820 -16 256 R0
SYMATTR InstName U1
SYMBOL res 1184 256 R0
SYMATTR InstName Rload
SYMATTR Value 2.5
TEXT 672 992 Left 2 !.tran 28m startup
TEXT 1200 256 Bottom 2 ;Load connected \nafter startup