PCA9306: What is the maximum Supply current PCA9306 drawn from the supply

HARI T O1

Part Number: PCA9306

Dear Team,

May I know what is the supply current PCA9306 takes from its supply rails?

My High supply is 5V and Low is 3.3V.

In the datasheet, I can see that the continuous channel current is 128ma. Is this the maximum current taken from both the supply rails.

Regards

HARI

over 2 years ago

0 Clemens Ladisch over 2 years ago

Guru 243180 points

There is a current flowing into VREF2 and out of VREF1; it is limited by the 200 kΩ resistor. The voltage drop between the VREF pins is about 0.8 V. See [FAQ] How do the LSF translators work?

The absolute maximum rating says that your circuit must not try to pass more than 128 mA through the switches.

0 Eric Hackett over 2 years ago in reply to Clemens Ladisch

TI__Guru 60102 points

Thanks for the help Clemens!

Hari,

I've notified our I2C expert to comment further if necessary.

Regards,

Eric Hackett

0 HARI T O1 over 2 years ago in reply to Clemens Ladisch

Expert 1215 points

Hi Clemens,

Thank you very much.

Regards

hari

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PCA9306: What is the maximum Supply current PCA9306 drawn from the supply