Version 4 SHEET 1 1944 680 WIRE 752 -112 736 -112 WIRE 864 -112 832 -112 WIRE 1072 -112 1072 -144 WIRE 1072 -112 864 -112 WIRE 864 -96 864 -112 WIRE 736 -48 736 -112 WIRE 800 -48 736 -48 WIRE 1072 16 1072 -112 WIRE 736 32 736 -48 WIRE 864 32 864 0 WIRE 864 32 736 32 WIRE 896 32 864 32 WIRE 992 32 976 32 WIRE 992 64 992 32 WIRE 736 80 736 32 WIRE 592 128 576 128 WIRE 1072 128 1072 112 WIRE 1088 128 1072 128 WIRE 1072 144 1072 128 WIRE 736 192 736 176 WIRE 1072 256 1072 224 FLAG 448 0 0 FLAG 448 -80 PICpwm FLAG 1072 256 0 FLAG 1072 -144 V+ FLAG 576 128 PICpwm FLAG 544 0 0 FLAG 544 -80 V+ FLAG 736 192 0 FLAG 1088 128 Vout SYMBOL voltage 448 -96 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 -54 137 Left 2 SYMATTR Value PULSE(0 3.3 0 1n 1n 60u 100u) SYMATTR InstName V1 SYMBOL res 1056 128 R0 SYMATTR InstName Rload1 SYMATTR Value 5 SYMBOL res 576 144 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL res 736 -96 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R2 SYMATTR Value 330 SYMBOL voltage 544 -96 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 5v SYMBOL npn 800 -96 R0 SYMATTR InstName Q2 SYMATTR Value 2N2222 SYMBOL npn 672 80 R0 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL EXTRA\\IRF\\PMOSFET\\irlml6401 1072 64 M180 SYMATTR InstName U1 SYMBOL res 992 16 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 10 TEXT 400 192 Left 0 !.tran 0 5mS 0 .2uS