Version 4 SHEET 1 5320 2776 WIRE 1328 624 688 624 WIRE 1824 624 1328 624 WIRE 1904 624 1824 624 WIRE 2144 624 2000 624 WIRE 2288 624 2144 624 WIRE 2480 624 2384 624 WIRE 2496 624 2480 624 WIRE 2608 624 2576 624 WIRE 2752 624 2608 624 WIRE 2848 624 2752 624 WIRE 2944 624 2848 624 WIRE 3008 624 2944 624 WIRE 3168 624 3008 624 WIRE 688 640 688 624 WIRE 2464 640 2480 624 WIRE 2624 640 2608 624 WIRE 3008 640 3008 624 WIRE 3168 640 3168 624 WIRE 2752 672 2752 624 WIRE 1824 704 1824 624 WIRE 1984 704 1984 672 WIRE 688 736 688 720 WIRE 3008 752 3008 704 WIRE 3168 752 3168 720 WIRE 1984 800 1984 784 WIRE 2032 800 1984 800 WIRE 2112 800 2096 800 WIRE 2848 800 2848 624 WIRE 1616 816 1472 816 WIRE 1712 816 1616 816 WIRE 1824 816 1824 784 WIRE 1824 816 1712 816 WIRE 1472 832 1472 816 WIRE 1616 832 1616 816 WIRE 1824 848 1824 816 WIRE 1984 848 1984 800 WIRE 2144 848 2144 624 WIRE 2304 848 2304 672 WIRE 2464 848 2464 640 WIRE 2624 848 2624 640 WIRE 1328 864 1328 624 WIRE 1472 912 1472 896 WIRE 1616 912 1616 896 WIRE 1712 928 1712 816 WIRE 1728 928 1712 928 WIRE 2752 928 2752 752 WIRE 2752 928 2720 928 WIRE 1328 976 1328 944 WIRE 1440 976 1328 976 WIRE 1328 992 1328 976 WIRE 2944 992 2944 624 WIRE 1440 1008 1440 976 WIRE 1728 1008 1440 1008 WIRE 2848 1008 2848 880 WIRE 2848 1008 2720 1008 WIRE 1328 1088 1328 1072 WIRE 1728 1088 1328 1088 WIRE 2944 1088 2944 1072 WIRE 2944 1088 2720 1088 WIRE 2944 1104 2944 1088 WIRE 1328 1120 1328 1088 WIRE 2384 1184 2384 1168 WIRE 2048 1200 2048 1168 WIRE 2944 1200 2944 1184 WIRE 1328 1216 1328 1200 WIRE 2384 1264 2384 1248 FLAG 688 736 0 FLAG 688 624 IN FLAG 1328 1216 0 FLAG 2048 1200 0 FLAG 2944 1200 0 FLAG 2112 800 0 FLAG 2384 1264 0 FLAG 1472 912 0 FLAG 1616 912 0 FLAG 3168 624 OUT FLAG 3008 752 0 FLAG 3168 752 0 SYMBOL voltage 688 624 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value PWL(0 0 +10u 12 +100m 12 +10u 92 +250m 12) SYMATTR InstName V1 SYMBOL res 1312 848 R0 SYMATTR InstName R1 SYMATTR Value 383K SYMBOL res 1312 1104 R0 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL res 2480 640 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 50m SYMBOL res 1968 688 R0 SYMATTR InstName R4 SYMATTR Value 10 SYMBOL res 2928 976 R0 SYMATTR InstName R5 SYMATTR Value 102K SYMBOL res 2928 1088 R0 SYMATTR InstName R6 SYMATTR Value 4.99K SYMBOL res 2736 656 R0 SYMATTR InstName R7 SYMATTR Value 100K SYMBOL res 2832 784 R0 SYMATTR InstName R8 SYMATTR Value 100K SYMBOL nmos 1904 672 R270 WINDOW 0 58 45 VTop 2 WINDOW 3 -4 88 VRight 2 SYMATTR InstName Q1 SYMATTR Value FDB33N25 SYMBOL cap 2096 784 R90 WINDOW 3 32 32 VTop 2 WINDOW 0 0 32 VBottom 2 SYMATTR Value 6.8n SYMATTR InstName C1 SYMBOL res 1808 688 R0 SYMATTR InstName R9 SYMATTR Value 2.2K SYMBOL res 1312 976 R0 SYMATTR InstName R10 SYMATTR Value 90.9K SYMBOL cap 2368 1184 R0 SYMATTR InstName C2 SYMATTR Value 6.8µ SYMBOL zener 1456 896 M180 WINDOW 0 24 67 Left 2 WINDOW 3 24 0 Left 2 WINDOW 123 24 -28 Left 2 SYMATTR InstName D1 SYMATTR Value 1N5373B SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 1600 832 R0 SYMATTR Value 0.1µ SYMATTR InstName C3 SYMBOL nmos 2384 672 M270 WINDOW 0 58 45 VTop 2 WINDOW 3 -21 68 VLeft 2 SYMATTR InstName Q2 SYMATTR Value FDB3682 SYMBOL LTC4364-1 2224 1008 R0 SYMATTR InstName U1 SYMBOL cap 2992 640 R0 WINDOW 39 24 84 Left 2 SYMATTR SpiceLine Rser=100m SYMATTR InstName Cload SYMATTR Value 22µ SYMBOL res 3152 624 R0 SYMATTR InstName Rload SYMATTR Value 47 TEXT 2752 1224 Left 2 !.tran 1