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highlight problem, higher peak current

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Alessandro Mauri 1 year ago
parent b94ad453cb
commit acd4f060b2
1 changed files with 6 additions and 8 deletions
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      ccm_model.asc

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ccm_model.asc
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@ -507,28 +507,25 @@ SYMBOL cap 1632 112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C9
SYMATTR Value 100p
SYMATTR Value 1n
SYMBOL cap 1824 304 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C14
SYMATTR Value 100p
SYMATTR Value 1n
SYMBOL cap 2128 112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C16
SYMATTR Value 100p
SYMATTR Value 1n
SYMBOL cap 2400 304 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C17
SYMATTR Value 100p
SYMATTR Value 1n
TEXT 2808 816 Left 2 !.tran 0 20m 0
TEXT 136 1488 Left 2 !.param Ra=120k
TEXT 136 1512 Left 2 !.param Rb=1k
TEXT 144 1544 Left 2 ;The AP8567 is the quad version
TEXT 144 1568 Left 2 ;AP8648 for battery-powered and-or low voltage <5V
TEXT 144 1592 Left 2 ;The OP462 is the better version of the AP8567
TEXT 136 1512 Left 2 !.param Rb=1.8k
TEXT -1656 1568 Left 2 ;Any 2.5V zener-voltage reference would do
TEXT -544 1008 Left 2 ;makeshift minimum voltage selector, \nuse a set maximum voltage as a soft start.
TEXT -1312 664 Left 2 ;made with two nors
@ -537,6 +534,7 @@ TEXT 968 32 Left 2 ;ATB322515-0110-T000
TEXT -904 1320 Left 2 ;COS722
TEXT -664 1520 Left 2 ;COS722
TEXT 608 1328 Left 2 ;COS722
TEXT -1656 1728 Left 2 ;problem: since the diode losses are too much, the minimum voltage selector always selects the base "bootstrap" voltage so the current is never enough
LINE Normal 1056 256 1056 160
LINE Normal 1072 256 1072 160
LINE Normal 1984 624 1920 704