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UC1901: Quiescent Current

Part Number: UC1901

Tool/software:

Hello E2E Experts,

Good day.

1. What is the quiescent current?

2. What is the maximum output current?

I did not see on the data sheet how much current was needed to drive the IC itself. I also could not find the maximum output current, which in my case needs to be close to 500mA with the ability to use a digital pot to dynamically adjust this output. I will also need to use a digi pot to control the voltage output from a 5V input down to around 4.2V. 

Regards,

TICSC