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TLC6C598: How much output current in total can be used?

Part Number: TLC6C598

Hi team,

I would like to introduce TLC6C598 to drive LED indicator instead of discrete transistor solution.

But customer is worried about how much current can be used in total.

Could you confirm below conditions are ok or not and tell how to calculate how much current can be used? 

Here is customer's condition.

# of ch: 8ch

PWM duty: 50%

Frequency: TBD

Vds: it depends on each channel. Some channels are 5V. Others are 24V.

In current their solution, they have designed their circuit so that 50mA can flow. 

Please let me know if you need further information. 

Regards,

Noriyuki Takahashi