LM5023: How much the maximum ON-time?

ACGUY

Guru 11170 points

Part Number: LM5023

Please let me know it!

Regards,

ACGUY

over 7 years ago

0 Kuan Wei Chen (Kevin Chen) over 7 years ago

TI__Genius 9710 points

Dear ACGUY,

As you know, the on time should be limit to 9.4us, as below:

Best Regards

Kevin

0 ACGUY over 7 years ago in reply to Kuan Wei Chen (Kevin Chen)

Guru 11170 points

Hi Kevin,

And more question OK?
Does tRestart repeat at Vqr less than 0.35 V?

Regards,
ACGUY

0 Kuan Wei Chen (Kevin Chen) over 7 years ago in reply to ACGUY

TI__Genius 9710 points

Dear ACGUY,

Sure, you are always welcome.
When Vqr is less than 0.35V, the voltage is sensed and the comparator sets the PWM flip-flop turning on
the flyback MOSFET.

Best Regards
Kevin

Power management

Power management forum

LM5023: How much the maximum ON-time?