TPS563249: TPS563249 Min. soft Start time

Kami Huang60

Genius 3830 points

Part Number: TPS563249

Dear Sir/Ms.

May I know the min. Soft Start time? There is only 1.7ms in typical value. My customer want to know the min. value.

Best Regards,

Kami Huang

over 5 years ago

0 Neal Zhang over 5 years ago

TI__Expert 4720 points

Hi Kami,
I will check if we have such value

0 Neal Zhang over 5 years ago

TI__Expert 4720 points

Hi Kami,
Min value is 1.32ms

0 Kami Huang60 over 5 years ago in reply to Neal Zhang

Genius 3830 points

Hello Neal,
I got it and I will reply to customer.
BY the way, May I know your Vin/Vout condition?
Thanks for your kindly help.
Best Regards,
Kami Huang

0 Neal Zhang over 5 years ago in reply to Kami Huang60

TI__Expert 4720 points

Hi Kami,
The production test data is based on Vin=12V, open loop, measuring When will reference voltage Vref become 0.6V.
In real application, the rising time of Vout is also limited by Cout. If Cout is very big, then Vout can't follow Vref, leading to bigger starting time.

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TPS563249: TPS563249 Min. soft Start time