• State Resolved
  • Locked Locked
  • Replies 2 replies
  • Answers 1 answer
  • Subscribers 41 subscribers
  • Views 121 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

PMP21002: questions from schematic analysis

Dennis Oh
Prodigy 430 points
Part Number: PMP21002
Other Parts Discussed in Thread: TL431

 Hello, 

I'm checking  reference schematic of PMP21002.  can I have a tech answer to question below?  

I see two additional  diodes (D5, D6) on feedback circuit to  TL431, where Vout is sensed & scaled down to feedback control circuit.  what is the purpose of the D5, D6?   Thanks in adv.