WEBENCH® Tools/LM25117-Q1: To high Duty Cycle allowed in WEBENCH

Kim Sivebaek1

Part Number: LM25117-Q1

Tool/software: WEBENCH® Design Tools

WEBENCH setup:

LM25117QPMH/NOPB
Switching Frequency: 225.616kHz
Input: 5.3V to 38V
Output: 5.05V@4.5A
Duty Cycle: 97.12% at Vin = 5.3V

According to datasheet the maximum Duty Cycle is 90% at the selected Switching Frequency:

Best regards
Kim

0 Umayal Ramanathan over 6 years ago

Hi Kim,

Thanks for reporting this issue.We have fixed the issue.

We shall let you know once the fix is on ti.com.

Regards,

Umayal

0 Umayal Ramanathan over 6 years ago in reply to Umayal Ramanathan

Hi Kim,

The fix shall be available on ti.com tentatively by 19th July.Shall let you know once the fix is on ti.com.

Thanks and Regards,

Umayal

0 Umayal Ramanathan over 6 years ago in reply to Umayal Ramanathan

Hi Kim,

The fix shall be available on ti.com by 19th July.

Shall let you know once the fix is available on ti.com.

Thanks and Regards,

Umayal

0 Umayal Ramanathan over 6 years ago in reply to Umayal Ramanathan

Hi Kim,

the fix is available on ti.com.We are failing the design for the condition reported as the device is exceeding maximum duty cycle.

Thanks and Regards,

Umayal

Simulation, hardware & system design tools forum