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TPS54200: About maximum value of RSENSE

Guru 21045 points
Part Number: TPS54200
Other Parts Discussed in Thread: LM3407

Hi Team,

 

Our customer would like to use LM3407 at the following conditions so they have to use RSENSE.

RSENSE=2.5ohm if analog dimming.

RSENSE=1.25ohm if PWM dimming.

 

Can I use this RSENSE?

If no, could you please let us know the maximum value of RISNS?

 

[Conditions]

-VIN=10V to 20V

-VOUT= around 6V

-ILED=around 80mA (1 LED)

-Analog (VREF=200mV) or PWM dimming(VREF=100mV)

 

Regards,

Kanemaru