LM3630A / Evaluation Module

Tsukui Yusuke

Guru 21930 points

Other Parts Discussed in Thread: LM3630

Hello,

Could you please kindly let me know about LM3630 EVM.

1. What is the role of R7 resistance?

Please teach the reason which is using 50 ohms to R7.

2.Please give me the circuit diagram of TPS3630EVM.

Schematic was not listed in the User's Guide.

Best Regards,

Yusuke Tsukui.

over 10 years ago

0 Paul Fouquette over 10 years ago

TI__Prodigy 70 points

R7 is on the PWM input connected to ground. The purpose is for the 50 ohm termination when driving the PWM signal with a bench pulse generator. If a low drive digital signal is used to control PWM, R7 should be removed. R7 also keeps the PWM input from floating when not used. The schematic is attached.

870600787_RevB.pdf

0 Tsukui Yusuke over 10 years ago in reply to Paul Fouquette

Guru 21930 points

Hello

Thank you for the reply.

I understood.

Best Regards,

Yusuke.

Power management

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LM3630A / Evaluation Module