Version 4 SHEET 1 1428 740 WIRE 0 -688 -144 -688 WIRE 224 -688 0 -688 WIRE 256 -688 224 -688 WIRE 352 -688 336 -688 WIRE 432 -688 352 -688 WIRE 480 -688 432 -688 WIRE 752 -688 480 -688 WIRE -144 -672 -144 -688 WIRE 0 -672 0 -688 WIRE 224 -672 224 -688 WIRE 352 -672 352 -688 WIRE 480 -672 480 -688 WIRE 480 -592 480 -608 WIRE -144 -576 -144 -592 WIRE 0 -576 0 -592 WIRE 128 -576 0 -576 WIRE 224 -560 224 -592 WIRE 240 -560 224 -560 WIRE 256 -560 240 -560 WIRE 336 -560 320 -560 WIRE 352 -560 352 -592 WIRE 352 -560 336 -560 WIRE 0 -544 0 -576 WIRE 240 -512 240 -560 WIRE 336 -512 336 -560 WIRE 432 -512 432 -688 WIRE 0 -448 0 -464 WIRE 128 -448 128 -576 WIRE 144 -448 128 -448 WIRE 560 -448 528 -448 WIRE 672 -448 560 -448 WIRE 560 -432 560 -448 WIRE 672 -432 672 -448 WIRE 128 -352 32 -352 WIRE 144 -352 128 -352 WIRE 560 -352 560 -368 WIRE 560 -352 528 -352 WIRE 672 -352 672 -368 WIRE 32 -336 32 -352 WIRE 752 -336 752 -688 WIRE 32 -256 32 -272 WIRE 128 -256 128 -352 WIRE 144 -256 128 -256 WIRE 704 -256 528 -256 WIRE 560 -240 560 -352 WIRE 128 -160 128 -256 WIRE 144 -160 128 -160 WIRE 560 -160 560 -176 WIRE 560 -160 528 -160 WIRE 752 -160 752 -240 WIRE 752 -160 560 -160 WIRE 800 -160 752 -160 WIRE 912 -160 880 -160 WIRE 928 -160 912 -160 WIRE 1024 -160 1008 -160 WIRE 1056 -160 1024 -160 WIRE 1104 -160 1056 -160 WIRE 1216 -160 1104 -160 WIRE 752 -144 752 -160 WIRE 1104 -144 1104 -160 WIRE 1216 -80 1216 -160 WIRE 128 -64 128 -160 WIRE 144 -64 128 -64 WIRE 704 -64 528 -64 WIRE 1104 -64 1104 -80 WIRE 752 -32 752 -48 WIRE -48 32 -64 32 WIRE 32 32 16 32 WIRE 144 32 112 32 WIRE 912 32 912 -160 WIRE 912 32 528 32 WIRE 1056 112 1056 -160 WIRE -48 128 -64 128 WIRE 32 128 16 128 WIRE 144 128 112 128 WIRE 1024 128 1024 -160 WIRE 1024 128 528 128 WIRE 1216 144 1216 -16 WIRE 48 224 32 224 WIRE 144 224 112 224 WIRE 1056 224 1056 192 WIRE 1056 224 528 224 WIRE 1168 224 1152 224 WIRE 1056 240 1056 224 WIRE 1216 256 1216 240 WIRE 48 320 32 320 WIRE 144 320 112 320 WIRE 864 320 528 320 WIRE 1056 336 1056 320 WIRE 864 368 864 320 WIRE 1152 368 1152 224 WIRE 1152 368 864 368 WIRE -112 416 -128 416 WIRE 144 416 -32 416 WIRE 272 496 272 480 WIRE 400 496 400 480 WIRE 272 592 272 576 FLAG 400 496 0 FLAG 272 592 0 FLAG -128 416 0 FLAG 32 320 0 FLAG 32 224 0 FLAG -64 128 0 FLAG -64 32 0 FLAG 32 -256 0 FLAG -144 -576 0 FLAG 0 -448 0 FLAG 480 -592 0 FLAG 672 -352 0 FLAG 752 -32 0 FLAG 1056 336 0 FLAG 1104 -64 0 FLAG 1216 256 0 FLAG -144 -688 IN FLAG 1216 -160 OUT SYMBOL PowerProducts\\LT3763 336 -16 R0 SYMATTR InstName U1 SYMBOL res 256 480 R0 SYMATTR InstName R1 SYMATTR Value 82.5K SYMBOL voltage -16 416 R90 WINDOW 3 32 56 VTop 2 WINDOW 123 74 56 VTop 2 WINDOW 39 53 56 VTop 2 WINDOW 0 -32 56 VBottom 2 SYMATTR Value PULSE(0 2 .1m 10n 10n 20u 50u) SYMATTR InstName V1 SYMBOL cap 112 304 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value .01µ SYMBOL cap 112 208 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 53 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 4700p SYMATTR SpiceLine Rser=59K SYMBOL res 128 112 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 50 SYMBOL cap 16 112 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value .001µ SYMBOL res 128 16 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 50 SYMBOL cap 16 16 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value .001µ SYMBOL cap 16 -336 R0 SYMATTR InstName C5 SYMATTR Value .22µ SYMBOL voltage -144 -688 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 24 SYMBOL res 240 -672 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 2.5m SYMBOL res 208 -688 R0 WINDOW 0 37 48 Left 2 SYMATTR InstName R5 SYMATTR Value 1K SYMBOL res 336 -688 R0 SYMATTR InstName R6 SYMATTR Value 1K SYMBOL cap 256 -544 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C6 SYMATTR Value 1µ SYMBOL res -16 -688 R0 SYMATTR InstName R7 SYMATTR Value 84.5K SYMBOL res -16 -560 R0 SYMATTR InstName R8 SYMATTR Value 15.4K SYMBOL cap 464 -672 R0 SYMATTR InstName C7 SYMATTR Value 4.7µ SYMBOL cap 656 -432 R0 SYMATTR InstName C8 SYMATTR Value 4.7µ SYMBOL schottky 544 -432 R0 SYMATTR InstName D1 SYMATTR Value 1N5819 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 544 -240 R0 SYMATTR InstName C9 SYMATTR Value .22µ SYMBOL nmos 704 -336 R0 SYMATTR InstName Q1 SYMATTR Value RJK0305DPB SYMBOL nmos 704 -144 R0 SYMATTR InstName Q2 SYMATTR Value RJK0301DPB SYMBOL ind 784 -144 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 1.5µ SYMATTR SpiceLine Rser=2m SYMBOL res 912 -144 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R9 SYMATTR Value 2.5m SYMBOL res 1040 96 R0 SYMATTR InstName R10 SYMATTR Value 47.5K SYMBOL res 1040 224 R0 SYMATTR InstName R11 SYMATTR Value 12.1K SYMBOL polcap 1088 -144 R0 WINDOW 3 38 36 Left 2 WINDOW 123 29 63 Left 2 SYMATTR Value 220µ SYMATTR Value2 x2 SYMATTR InstName C10 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V227M006ASE012" type="Tantalum" SYMBOL LED 1200 -80 R0 SYMATTR InstName D2 SYMATTR Value PT-121-B SYMATTR Description Diode SYMATTR Type diode SYMBOL nmos 1168 144 R0 SYMATTR InstName Q3 SYMATTR Value IRFH6200 TEXT 768 440 Left 2 !.tran 3m startup