Supply current of UCC2895

[Nim]

Hi All,

I am new to PWM controller, I have question about supply current of UCC2895 PWM controller.

in datasheet page 3 state supply current 30mA and they also state Idd < 10mA(17V supply voltage). what is the difference between these two supply current? can anyone clearify this?

Thanks,
Nim

 

[ericgibbs]

hi,
The 30mA is the absolute maximum current at 17V operating voltage.
The 10mA is when the Clamp is active.

Look at page 15 for the I/V curves

 

[Nim]

Hi Eric,

The 10mA is peak or RMS?

Thanks,

 

[ericgibbs]

Hi Eric,

The 10mA is peak or RMS?

Thanks,

I read it as a DC level clamp, so I would say peak.?