(ADuM14x)Theta Jc

Hi Kawa - we're researching this and will get back to you ASAP.

Hi fox

Thank you for your reply.

Would the value will be same between soic and qsop?

Best regards

Kawa

Hi Fox

Thank you for your reply.

42C/W for which side?

Side1 ? Side2?

Best regards

Kawa

Hi fox

I understood that you have data for SOIC_W side1 and side2.

Also I understood SOIC_N side1 and side2 value are same.

Is my understanding correct?

Best regards

Kawa

Hi Fox

Thank you for your reply.

This is my last question.

I think supply current will be same.

Why did you made different theta Jc between SOIC_N and SOIC_W?

Best regards

Kawa

Hi fox

I want know why did you separate soic w and did not separate soic n.

best regards 

kawa

Hi Kawa:

The ThetaJC on side 1 is 33 C/W typ, while on side 2 is 28C/W typ.

Hi Kawa:

This data is just for SOIC_W. For SOIC_N, it is 42C/W typ. We do not find the one for QSOP yet. but definitely it should be larger than SOIC_N.

Hi Kawa:

42C/W include both side thermal resistance in it.

Hi Kawa:

For SOIC_N, it is already consider both sides, only total power dissipation is needed to calculate temperature rise.

For SOIC_W,it is more accurate, power dissipation on both sides are needed.