Version 4 SHEET 1 1944 680 WIRE 640 -144 608 -144 WIRE 784 -144 720 -144 WIRE 864 -144 784 -144 WIRE 1072 -144 1072 -176 WIRE 1072 -144 864 -144 WIRE 784 -128 784 -144 WIRE 864 -96 864 -144 WIRE 1072 -80 1072 -144 WIRE 608 -48 608 -144 WIRE 624 -48 608 -48 WIRE 656 -48 624 -48 WIRE 784 -48 784 -64 WIRE 784 -48 736 -48 WIRE 800 -48 784 -48 WIRE 608 16 608 -48 WIRE 864 32 864 0 WIRE 896 32 864 32 WIRE 1008 32 976 32 WIRE 1024 32 1024 0 WIRE 1024 32 1008 32 WIRE 864 48 864 32 WIRE 1072 128 1072 112 WIRE 1088 128 1072 128 WIRE 1072 144 1072 128 WIRE 1072 256 1072 208 FLAG 1072 256 0 FLAG 1072 -176 V+ FLAG 416 0 0 FLAG 416 -80 V+ FLAG 1088 128 Vout FLAG 1008 32 G FLAG 624 -48 C SYMBOL res 624 -128 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 42 VBottom 2 SYMATTR InstName R2 SYMATTR Value 500 SYMBOL voltage 416 -96 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 44 Left 2 SYMATTR SpiceLine Rser=12 SYMATTR InstName V2 SYMATTR Value 6 SYMBOL npn 800 -96 R0 WINDOW 3 30 56 Left 2 SYMATTR Value MBT3946DW1T1 SYMATTR InstName Q2 SYMBOL res 992 16 R90 WINDOW 0 13 27 VBottom 2 WINDOW 3 24 86 VTop 2 SYMATTR InstName R5 SYMATTR Value 10 SYMBOL pmos 1024 112 M180 SYMATTR InstName M1 SYMATTR Value DMP4025LSSQ SYMATTR Prefix X SYMBOL zener 800 -64 R180 WINDOW 0 24 64 Left 2 WINDOW 3 29 35 Left 2 SYMATTR InstName D1 SYMATTR Value KDZ12B SYMBOL res 752 -32 M270 WINDOW 0 23 91 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 500 SYMBOL pmos 1024 -80 R0 SYMATTR InstName M2 SYMATTR Value DMP4025LSSQ SYMATTR Prefix X SYMBOL cap 1056 144 R0 SYMATTR InstName C1 SYMATTR Value 50 SYMATTR SpiceLine V=5.2 Irms=7 Rser=0.025 TEXT 272 192 Left 2 !.tran 0 10s 0 TEXT 128 232 Left 2 !.inc "C:\\Program Files\\LTC\\LTspiceXVII\\lib\\sub\\diodes-inc.lib" TEXT 128 256 Left 2 !.lib "C:\\Program Files\\LTC\\LTspiceXVII\\lib\\models\\MBT3946DW1T1.LIB" TEXT 88 208 Left 2 !.lib "C:\\Program Files\\LTC\\LTspiceXVII\\lib\\models\\MMBT3904LT1.LIB"