LMG3410R050: LMG3410R050

user4906012

Part Number: LMG3410R050

When Turn off, the rising edge of Vds is
, Several microseconds and abnormally slow n Is there somewhere a misconnection of the terminal?

over 6 years ago

0 user4906012 over 6 years ago

Prodigy 70 points

When Turn off, the rising edge of Vds is
, Several microseconds and abnormally slow n Is there somewhere a misconnection of the terminal?

0 Lixing Fu over 6 years ago in reply to user4906012

TI__Expert 3225 points

Hello,

As is mentioned in another thread, the rise time is usually within nanosecond range. Microseconds are not correct. Could you please share more information to us regarding your design so that we can help?

Thanks,
Lixing

0 user4906012 over 6 years ago in reply to Lixing Fu

Prodigy 70 points

回路図.pptx

0 Lixing Fu over 6 years ago in reply to user4906012

TI__Expert 3225 points

Hello,

The PowerPoint that you attached needed a password to open.

Thanks,
Lixing

0 user4906012 over 6 years ago in reply to user4906012

Prodigy 70 points

1643.回路図.pptx

0 Lixing Fu over 6 years ago in reply to user4906012

TI__Expert 3225 points

Hello,

Sorry for the late reply. I have looked into the schematic that you provided. You have put some snubber circuit from drain to source, and that may be the reason for having this slow turn off slope. Typically the channel can turn off very fast. However, the inductor has to charge the capacitance across drain to source. If your current is small, this can take very long time. I would suggest you try it without the snubber. Thank you!

Best regards,

Lixing

Power management

Power management forum

LMG3410R050: LMG3410R050