[cctalk] Re: Theory of operation of DEC H7441 regulator?

[Brent Hilpert via cctalk]

On 2023-Sep-28, at 12:29 AM, Brent Hilpert via cctalk wrote:
> ...
> Excessive current through Q5 produces a V-drop across R10 which may turn on 
> Q7 to take the PWM-mono into reset (E2.4=low).
> D7,D8,R3 clamp and sink reverse voltage/energy from the T1 secondary to avoid 
> reverse breakdown/damage to Q1,Q2,Q3.
       ^^
correction: that should be R7, not R3.