A 90.0k ohm and 100k ohm bias circuit is used on TSUB3410 evaluation board.
Do you need this bias circuit even though the device is used in on-chip regulator mode?
The evaluation board uses on-chip regulator mode when the device is in active mode.
and showdown the regulator in suspend mode, under the control of SUSP pin.
Do you need 1.8V bias in suspend mode?
How much the accuracy of the VDD1V8 bias voltage?