Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Klaus Vestergaard Kragelund Newsgroups: sci.electronics.design Subject: Re: P-channel MOSFET model Date: Fri, 10 May 2024 10:11:38 +0200 Organization: A noiseless patient Spider Lines: 581 Message-ID: References:

MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Fri, 10 May 2024 10:11:38 +0200 (CEST) Injection-Info: dont-email.me; posting-host="65eb27d07b61d711369bfa3bf42ba3c2"; logging-data="1322143"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/oPd9n01kijtKlwKyME6h03lcIRASC7Zw=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:t3Tfce594pTGFddzch0NikdkVcA= Content-Language: en-US In-Reply-To: Bytes: 16615 On 09-05-2024 08:54, piglet wrote: > On 09/05/2024 02:21, Edward Rawde wrote: >> "Bill Sloman" wrote in message >> news:v1g1lq$kb1$1@dont-email.me... >>> On 8/05/2024 10:03 pm, piglet wrote: >>>> On 06/05/2024 06:58, Edward Rawde wrote: >>>>> "John Larkin" wrote in >>>>> message >>>>> news:aesf3j1po3glh1c23se3lofoni6j7ol75m@4ax.com... >>>>>> On Sun, 5 May 2024 14:42:30 -0400, "Edward Rawde" >>>>>> wrote: >>>>>>> "Edward Rawde" wrote in message >>>>>>> news:v16s2i$2uv4$1@nnrp.usenet.blueworldhosting.com... >>>>>>>> Does anyone know of a P-channel MOSFET, roughly equivalent to >>> >>> >>> >>> Cutting and pasting piglet's .asc file into my version of LTSpice gave a >>> circuit that didn't do anything useful. M1 turns off after 2.67usec., >>> and >>> that's it. >> >> It works for me but I'd like something more efficient if possible. >> >> My own latest creation does 5V 1A from 8V to 15V input but at 16V >> input it >> stops and produces 16V so I'm not sure I'd trust this circuit in reality. >> There is a character encoding issue which may affect the u symbol for >> capacitors and inductors. >> And line wraps may also need fixing. >> >> Version 4 >> SHEET 1 2820 680 >> WIRE 1200 -112 240 -112 >> WIRE 208 -48 176 -48 >> WIRE 240 -48 240 -112 >> WIRE 240 -48 208 -48 >> WIRE 288 -48 240 -48 >> WIRE 368 -48 288 -48 >> WIRE 672 -48 368 -48 >> WIRE 800 -48 768 -48 >> WIRE 816 -48 800 -48 >> WIRE 864 -48 816 -48 >> WIRE 992 -48 944 -48 >> WIRE 1088 -48 992 -48 >> WIRE 1408 -48 1088 -48 >> WIRE 1504 -48 1408 -48 >> WIRE 1680 -48 1504 -48 >> WIRE 1200 -32 1200 -112 >> WIRE 368 0 368 -48 >> WIRE 384 0 368 0 >> WIRE 480 0 448 0 >> WIRE 560 0 544 0 >> WIRE 992 16 992 -48 >> WIRE 176 32 176 -48 >> WIRE 688 32 688 0 >> WIRE 1200 64 1200 48 >> WIRE 1312 64 1200 64 >> WIRE 288 80 288 -48 >> WIRE 816 80 816 -48 >> WIRE 1312 80 1312 64 >> WIRE 1408 80 1408 -48 >> WIRE 1504 80 1504 -48 >> WIRE 384 96 368 96 >> WIRE 480 96 448 96 >> WIRE 560 96 560 0 >> WIRE 560 96 544 96 >> WIRE 1072 112 1040 112 >> WIRE 1120 112 1072 112 >> WIRE 1184 112 1120 112 >> WIRE 1200 112 1200 64 >> WIRE 1200 112 1184 112 >> WIRE 1680 112 1680 -48 >> WIRE 1184 160 1184 112 >> WIRE 1200 160 1200 112 >> WIRE 176 176 176 112 >> WIRE 1264 176 1232 176 >> WIRE 1312 176 1312 160 >> WIRE 1312 176 1264 176 >> WIRE 368 192 368 96 >> WIRE 384 192 368 192 >> WIRE 480 192 448 192 >> WIRE 576 192 544 192 >> WIRE 592 192 576 192 >> WIRE 672 192 656 192 >> WIRE 688 192 688 112 >> WIRE 688 192 672 192 >> WIRE 720 192 688 192 >> WIRE 736 192 720 192 >> WIRE 928 192 800 192 >> WIRE 1168 192 928 192 >> WIRE 1040 208 1040 112 >> WIRE 1120 208 1120 112 >> WIRE 1264 208 1232 208 >> WIRE 1408 208 1408 160 >> WIRE 1408 208 1264 208 >> WIRE 1504 208 1504 160 >> WIRE 1504 208 1408 208 >> WIRE 576 224 576 192 >> WIRE 672 224 672 192 >> WIRE 1312 224 1312 176 >> WIRE 1408 224 1408 208 >> WIRE 176 336 176 256 >> WIRE 288 336 288 144 >> WIRE 288 336 176 336 >> WIRE 576 336 576 304 >> WIRE 576 336 288 336 >> WIRE 672 336 672 304 >> WIRE 672 336 576 336 >> WIRE 816 336 816 144 >> WIRE 816 336 672 336 >> WIRE 992 336 992 80 >> WIRE 992 336 816 336 >> WIRE 1040 336 1040 272 >> WIRE 1040 336 992 336 >> WIRE 1120 336 1120 272 >> WIRE 1120 336 1040 336 >> WIRE 1184 336 1184 224 >> WIRE 1184 336 1120 336 >> WIRE 1200 336 1200 224 >> WIRE 1200 336 1184 336 >> WIRE 1216 336 1216 224 >> WIRE 1216 336 1200 336 >> WIRE 1312 336 1312 304 >> WIRE 1312 336 1216 336 >> WIRE 1408 336 1408 304 >> WIRE 1408 336 1312 336 >> WIRE 1680 336 1680 192 >> WIRE 1680 336 1408 336 >> WIRE 176 352 176 336 >> FLAG 176 352 0 >> FLAG 208 -48 in >> FLAG 720 192 gate >> FLAG 1264 176 cmp- >> FLAG 1264 208 cmp+ >> FLAG 928 192 cmpout >> FLAG 1072 112 cmp5v >> FLAG 1088 -48 out >> FLAG 800 -48 sw >> SYMBOL Comparators\\LT1719 1200 128 M0 >> WINDOW 0 27 27 Left 2 >> WINDOW 3 -92 6 Left 2 >> SYMATTR InstName U1 >> SYMBOL res 1328 208 M0 >> WINDOW 0 -35 36 Left 2 >> WINDOW 3 -49 70 Left 2 >> SYMATTR InstName R2 >> SYMATTR Value 10K >> SYMATTR SpiceLine tol=1 pwr=0.1 >> SYMBOL ind 960 -64 R90 >> WINDOW 0 63 51 VBottom 2 >> WINDOW 3 -27 53 VTop 2 >> SYMATTR InstName L1 >> SYMATTR Value 100µ >> SYMATTR SpiceLine Ipk=1.3 Rser=0.15 Rpar=0 Cpar=0 mfg="Murata" >> pn="MDH10060C-101MA=P3" >> SYMBOL res 1664 96 R0 >> WINDOW 0 40 39 Left 2 >> WINDOW 3 39 70 Left 2 >> SYMATTR InstName R4 >> SYMATTR Value 5 >> SYMATTR SpiceLine tol=1 pwr=0.1 >> SYMBOL res 1424 64 M0 >> WINDOW 0 -38 43 Left 2 >> WINDOW 3 -48 70 Left 2 >> SYMATTR InstName R3 >> SYMATTR Value 10K >> SYMATTR SpiceLine tol=1 pwr=0.1 >> SYMBOL schottky 832 144 R180 >> WINDOW 0 42 31 Left 2 >> WINDOW 3 -123 30 Left 2 >> SYMATTR InstName D2 >> SYMATTR Value MBRS130L ========== REMAINDER OF ARTICLE TRUNCATED ==========