laengsgeregeltes Netzteil. zu hohe Spannung

On 04/24/2020 21:34, Helmut Schellong wrote:

Nun mit Stufensiebung, einstufig. Ich konnte den Ladeelko verkleinern und habe etwa 1,5mVss Brumm auf 72V Ausgang bei Maximallast.

=========================================================== Version 4 SHEET 1 1076 984 WIRE -128 64 -128 32 WIRE -128 64 -352 64 WIRE 64 64 -128 64 WIRE 96 64 64 64 WIRE 192 64 96 64 WIRE 384 64 288 64 WIRE 464 64 384 64 WIRE 560 64 464 64 WIRE 640 64 560 64 WIRE 704 64 640 64 WIRE 736 64 704 64 WIRE 464 80 464 64 WIRE 560 80 560 64 WIRE -128 112 -128 64 WIRE 640 112 640 64 WIRE 96 128 96 64 WIRE 240 128 192 128 WIRE 240 144 240 128 WIRE 304 144 240 144 WIRE 384 144 384 64 WIRE 64 160 64 144 WIRE 64 160 -64 160 WIRE 560 176 560 160 WIRE -352 224 -352 64 WIRE -352 224 -384 224 WIRE -320 224 -352 224 WIRE -128 224 -128 176 WIRE 144 240 144 192 WIRE 144 240 64 240 WIRE 240 240 240 144 WIRE 240 240 224 240 WIRE 704 240 704 64 WIRE 816 240 704 240 WIRE 560 256 560 240 WIRE -384 288 -512 288 WIRE -352 288 -384 288 WIRE 144 288 144 240 WIRE 336 288 144 288 WIRE 704 288 704 240 WIRE 240 304 32 304 WIRE 384 304 384 144 WIRE 384 304 240 304 WIRE 464 304 464 160 WIRE 512 304 464 304 WIRE 816 304 816 240 WIRE 32 320 32 304 WIRE 464 336 464 304 WIRE 512 336 512 304 WIRE -320 352 -320 288 WIRE -320 352 -432 352 WIRE -288 352 -320 352 WIRE -432 368 -432 352 WIRE -432 368 -512 368 WIRE -384 368 -384 288 WIRE -320 368 -320 352 WIRE 240 384 240 304 WIRE 336 384 336 288 WIRE 704 400 704 368 WIRE 816 400 816 384 WIRE -352 432 -384 432 WIRE -320 432 -352 432 WIRE 32 432 32 400 WIRE 128 432 32 432 WIRE 176 432 128 432 WIRE 464 432 464 416 WIRE 464 432 400 432 WIRE 512 432 512 400 WIRE 512 432 464 432 WIRE 464 448 464 432 WIRE -352 464 -352 432 WIRE 288 480 240 480 WIRE 336 480 288 480 WIRE 32 560 32 496 WIRE 128 560 128 496 WIRE 464 560 464 528 FLAG -128 32 IN FLAG 464 560 0 FLAG 736 64 OUT IOPIN 736 64 Out FLAG 128 560 0 FLAG 32 560 0 FLAG -128 224 0 FLAG 640 176 0 FLAG -352 464 0 FLAG 704 400 0 FLAG 288 560 0 FLAG 560 256 0 FLAG 816 400 0 FLAG -352 288 AC1 FLAG -288 352 AC2 FLAG -64 224 0 SYMBOL npn3 176 384 R0 WINDOW 3 56 209 Left 2 SYMATTR Value 2SC5876 SYMATTR InstName Q2 SYMBOL npn3 192 128 R270 WINDOW 0 57 30 VRight 2 WINDOW 3 102 -8 VRight 2 SYMATTR InstName Q4 SYMATTR Value 2SCR554P SYMBOL npn3 400 384 M0 SYMATTR InstName Q5 SYMATTR Value 2SC5876 SYMBOL res 80 160 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R1 SYMATTR Value 1k8 SYMATTR SpiceLine pwr=3 SYMBOL res 480 432 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R3 SYMATTR Value 13k SYMBOL res 480 544 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 11k SYMBOL zener 144 496 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -68 -97 Left 2 SYMATTR InstName D1 SYMATTR Value EDZV33B SYMBOL cap 16 432 R0 SYMATTR InstName C1

SYMATTR SpiceLine V=50 Irms=728m Rser=0.14361 Lser=0 mfg="KEMET" pn="C0603C104K5RAC" type="X7R" SYMBOL polcap -144 112 R0 WINDOW 3 -81 -10 Left 2

SYMATTR InstName C2 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine Rser=0.02 Lser=0 SYMBOL polcap 624 112 R0 WINDOW 3 24 56 Left 2

SYMATTR InstName C3 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=100 Irms=115m Rser=0.68 Lser=0 mfg="Nichicon" pn="UPR2A220MPH" type="Al electrolytic" SYMBOL voltage -512 272 R0 WINDOW 0 30 -17 Left 2 WINDOW 3 -77 315 Left 2 WINDOW 123 0 0 Left 0 WINDOW 39 -77 343 Left 2 SYMATTR InstName V1 SYMATTR Value SINE(0 101 50 0 0 0) SYMATTR SpiceLine Rser={2*6.73} SYMBOL diode -368 288 R180 WINDOW 0 24 64 Left 2 WINDOW 3 35 -221 Left 2 SYMATTR InstName D2 SYMATTR Value RR2L4S SYMBOL diode -304 288 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -12 -221 Left 2 SYMATTR InstName D3 SYMATTR Value RR2L4S SYMBOL diode -368 432 R180 WINDOW 0 24 64 Left 2 WINDOW 3 33 -109 Left 2 SYMATTR InstName D4 SYMATTR Value RR2L4S SYMBOL diode -304 432 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -10 -107 Left 2 SYMATTR InstName D5 SYMATTR Value RR2L4S SYMBOL res 688 272 R0 SYMATTR InstName R5 SYMATTR Value 33k SYMATTR SpiceLine pwr=30 SYMBOL res 16 304 R0 SYMATTR InstName R6 SYMATTR Value 22k SYMBOL npn3 96 192 R270 WINDOW 3 166 -27 VRight 2 SYMATTR Value 2SC5876 SYMATTR InstName Q6 SYMBOL res 272 464 R0 SYMATTR InstName R8 SYMATTR Value 3k3 SYMBOL cap 496 336 R0 SYMATTR InstName C4 SYMATTR Value 440n SYMATTR SpiceLine V=50 Irms=728m Rser=0.14361 Lser=0 SYMBOL res 544 64 R0 SYMATTR InstName R2 SYMATTR Value 0.1 SYMBOL cap 544 176 R0 SYMATTR InstName C5

SYMATTR SpiceLine V=50 Irms=728m Rser=0.14361 Lser=0 mfg="KEMET" pn="C0603C104K5RAC" type="X7R" SYMBOL res 448 64 R0 SYMATTR InstName R7 SYMATTR Value 10 SYMBOL current 816 304 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I1 SYMATTR Value {6*50m} SYMBOL res 240 224 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 7k5 SYMBOL res 400 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R10 SYMATTR Value 2k7 SYMBOL res 80 256 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R11 SYMATTR Value 2k7 SYMATTR SpiceLine pwr=3 SYMBOL polcap -80 160 R0 WINDOW 3 24 56 Left 2

SYMATTR InstName C6 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=100 Irms=115m Rser=0.68 Lser=0 mfg="Nichicon" pn="UPR2A220MPH" type="Al electrolytic" TEXT -592 656 Left 2 !.tran 0 0.4 0.25 startup TEXT -216 632 Left 2 !.meas TRAN pQ4 RMS V(IN,OUT)*Ic(Q4)+Ib(Q4)*V(n001,out) TEXT -216 664 Left 2 !.meas TRAN voutss PP V(OUT) ===========================================================