Version 4 SHEET 1 2220 700 WIRE -80 -576 -416 -576 WIRE 80 -576 -80 -576 WIRE 352 -576 192 -576 WIRE 560 -576 448 -576 WIRE 752 -576 560 -576 WIRE 864 -576 832 -576 WIRE 560 -560 560 -576 WIRE -80 -528 -80 -576 WIRE 80 -528 80 -576 WIRE 400 -480 400 -512 WIRE 400 -480 272 -480 WIRE -80 -432 -80 -464 WIRE 192 -416 192 -576 WIRE 352 -416 192 -416 WIRE 608 -416 448 -416 WIRE 752 -416 608 -416 WIRE 864 -416 864 -576 WIRE 864 -416 832 -416 WIRE 80 -400 80 -448 WIRE 608 -384 608 -416 WIRE -80 -352 -80 -368 WIRE 16 -352 -80 -352 WIRE 272 -304 272 -480 WIRE 400 -304 400 -352 WIRE 400 -304 272 -304 WIRE 192 -240 192 -416 WIRE 192 -240 -224 -240 WIRE 352 -240 192 -240 WIRE 688 -240 448 -240 WIRE 752 -240 688 -240 WIRE 864 -240 864 -416 WIRE 864 -240 832 -240 WIRE 992 -240 864 -240 WIRE 1776 -240 992 -240 WIRE -80 -192 -80 -352 WIRE 688 -192 688 -240 WIRE 1632 -160 1472 -160 WIRE 80 -128 80 -304 WIRE 272 -128 272 -304 WIRE 272 -128 80 -128 WIRE 400 -128 400 -176 WIRE 400 -128 272 -128 WIRE 992 -128 992 -240 WIRE 864 -112 864 -240 WIRE 1472 -112 1472 -160 WIRE 1632 -112 1632 -160 WIRE 560 -80 560 -480 WIRE 608 -80 608 -304 WIRE 608 -80 560 -80 WIRE 688 -80 688 -112 WIRE 688 -80 608 -80 WIRE -80 -48 -80 -112 WIRE 192 -16 112 -16 WIRE 320 -16 256 -16 WIRE 544 -16 480 -16 WIRE 688 -16 688 -80 WIRE 688 -16 608 -16 WIRE 864 -16 864 -48 WIRE 1472 -16 1472 -48 WIRE -224 0 -224 -240 WIRE 1632 16 1632 -32 WIRE 0 64 -16 64 WIRE 112 64 112 -16 WIRE 112 64 80 64 WIRE 128 64 112 64 WIRE 240 64 208 64 WIRE 320 64 320 -16 WIRE 320 64 304 64 WIRE 480 64 480 -16 WIRE 496 64 480 64 WIRE 592 64 560 64 WIRE 688 64 688 -16 WIRE 688 64 672 64 WIRE 1472 64 1472 48 WIRE 1568 64 1472 64 WIRE 992 112 992 -48 WIRE 1472 128 1472 64 WIRE -416 144 -416 -576 WIRE -416 144 -464 144 WIRE 208 144 -416 144 WIRE 592 144 208 144 WIRE 208 160 208 144 WIRE 592 160 592 144 WIRE 112 176 112 64 WIRE 176 176 112 176 WIRE 688 176 688 64 WIRE 688 176 624 176 WIRE 320 192 320 64 WIRE 320 192 240 192 WIRE 400 192 400 -128 WIRE 400 192 384 192 WIRE 416 192 400 192 WIRE 480 192 480 64 WIRE 560 192 480 192 WIRE 1120 192 1040 192 WIRE 1152 192 1120 192 WIRE 1296 192 1296 112 WIRE 1296 192 1232 192 WIRE -416 208 -416 144 WIRE -48 208 -80 208 WIRE 48 208 32 208 WIRE 112 208 48 208 WIRE 176 208 112 208 WIRE 688 208 624 208 WIRE 768 208 688 208 WIRE 1120 240 1120 192 WIRE 112 256 112 208 WIRE 1296 256 1296 192 WIRE -80 272 -80 208 WIRE 48 272 48 208 WIRE 688 272 688 208 WIRE 208 288 208 224 WIRE 592 288 592 224 WIRE 592 288 208 288 WIRE 992 288 992 208 WIRE 1056 288 992 288 WIRE -416 304 -416 288 WIRE -336 304 -416 304 WIRE 1472 304 1472 208 WIRE 320 320 320 192 WIRE 480 320 480 192 WIRE 992 320 992 288 WIRE -416 336 -416 304 WIRE -80 384 -80 352 WIRE 688 384 688 352 WIRE -224 432 -224 80 WIRE 48 432 48 336 WIRE 48 432 -224 432 WIRE 112 432 112 336 WIRE 112 432 48 432 WIRE 864 432 864 64 WIRE 864 432 112 432 WIRE 992 432 992 400 WIRE 992 432 864 432 WIRE 1120 432 1120 336 WIRE 1120 432 992 432 WIRE 1296 432 1296 336 WIRE 1296 432 1120 432 WIRE 1632 432 1632 112 WIRE 1632 432 1296 432 WIRE 1728 432 1632 432 WIRE -416 464 -416 416 WIRE -416 464 -448 464 WIRE 208 464 208 288 WIRE 208 464 -416 464 FLAG -16 64 0 FLAG -464 144 VC IOPIN -464 144 Out FLAG -80 -48 0 FLAG 1776 -240 0 FLAG 1728 432 -VOUT IOPIN 1728 432 Out FLAG -80 384 0 FLAG -448 464 -VC IOPIN -448 464 Out FLAG 320 320 U_REG IOPIN 320 320 Out FLAG 480 320 I_REG IOPIN 480 320 Out FLAG -336 304 0 FLAG 768 368 0 FLAG 1632 -160 VC IOPIN 1632 -160 Out FLAG 1472 304 0 FLAG 688 384 0 FLAG 1296 112 V_SW IOPIN 1296 112 Out SYMBOL voltage -224 -16 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 40 SYMBOL voltage -416 320 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL voltage -416 192 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value 5 SYMBOL res 96 240 R0 SYMATTR InstName R1 SYMATTR Value {6*RK} SYMBOL res 224 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value {RK1} SYMBOL res 96 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 1k5 SYMBOL cap 304 48 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value {CK1} SYMBOL cap 256 -32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value {CK1} SYMBOL res 752 304 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 6k8 SYMBOL res 704 -208 M0 SYMATTR InstName R6 SYMATTR Value {RK} SYMBOL cap 496 48 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value {CK1} SYMBOL cap 544 -32 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value {CK1} SYMBOL diode 384 176 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 -83 37 Bottom 2 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL diode 416 208 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 109 21 Top 2 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL pnp 16 -304 M180 WINDOW 0 10 -8 Left 2 WINDOW 3 90 91 VLeft 2 SYMATTR InstName Q1 SYMATTR Value BC857C SYMBOL res -96 -208 R0 SYMATTR InstName R7 SYMATTR Value 4k7 SYMBOL res 848 -256 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 0.3 SYMBOL cap 848 -112 R0 SYMATTR InstName C5 SYMATTR Value {CL} SYMATTR SpiceLine V=50 Irms=3.41 Lser=0 SYMBOL res 96 -432 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R10 SYMATTR Value 100 SYMBOL cap 32 272 R0 SYMATTR InstName C6 SYMATTR Value {c} SYMBOL voltage -80 256 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value 2.5 SYMBOL res 48 192 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value {RK} SYMBOL res 976 -144 R0 SYMATTR InstName R14 SYMATTR Value {RL} SYMBOL nmos 1040 112 M0 WINDOW 3 -20 -97 VRight 2 SYMATTR Value IPD031N03L SYMATTR InstName M2 SYMBOL voltage 1296 240 R0 WINDOW 3 -139 251 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value PULSE(0 15 50m 1n 1n 20m 40m 2) SYMATTR InstName V6 SYMBOL res 976 304 R0 SYMATTR InstName R16 SYMATTR Value 0.015 SYMBOL res 1248 176 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R17 SYMATTR Value 100 SYMBOL npn 1056 240 R0 SYMATTR InstName Q2 SYMATTR Value BC847C SYMBOL res 848 -32 R0 SYMATTR InstName R15 SYMATTR Value 10m SYMBOL npn 352 -352 R270 SYMATTR InstName Q3 SYMATTR Value TIP142 SYMATTR Prefix X SYMBOL res 704 368 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R29 SYMATTR Value 750 SYMBOL voltage 768 272 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V5 SYMATTR Value 3.3 SYMBOL npn 352 -176 R270 SYMATTR InstName Q4 SYMATTR Value TIP142 SYMATTR Prefix X SYMBOL npn 352 -512 R270 SYMATTR InstName Q5 SYMATTR Value TIP142 SYMATTR Prefix X SYMBOL res 848 -432 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R18 SYMATTR Value 0.3 SYMBOL res 848 -592 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R19 SYMATTR Value 0.3 SYMBOL res 576 -576 M0 SYMATTR InstName R20 SYMATTR Value {RK} SYMBOL res 624 -400 M0 SYMATTR InstName R21 SYMATTR Value {RK} SYMBOL User\\NE5532 208 128 R0 SYMATTR InstName U1 SYMBOL diode -96 -528 R0 SYMATTR InstName D3 SYMBOL diode -96 -432 R0 SYMATTR InstName D4 SYMBOL pnp 1568 112 M180 WINDOW 0 10 -8 Left 2 WINDOW 3 80 84 VLeft 2 SYMATTR InstName Q6 SYMATTR Value BC857C SYMBOL res 1456 112 R0 SYMATTR InstName R8 SYMATTR Value 4k7 SYMBOL res 1648 -16 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R11 SYMATTR Value 220 SYMBOL diode 1456 -112 R0 SYMATTR InstName D5 SYMBOL diode 1456 -16 R0 SYMATTR InstName D6 SYMBOL User\\NE5532 592 128 M0 SYMATTR InstName U2 SYMBOL res 688 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value {RK1} TEXT -128 376 VLeft 3 ;U_SOLL TEXT 768 184 VLeft 3 ;I_SOLL TEXT 504 -624 Left 2 !.include tip142.lib TEXT -256 512 Left 2 !.tran 100m startup TEXT 968 -512 Left 3 !.param RK=3k6\n.param c=1n\n.param RK1=22k\n.param CK1=220p\n.param RL=5 TEXT 48 512 Left 2 !.step param CL list 100u 220u 470u 1000u 2200u 4700u 10000u