SLDS204B October 2014 – June 2020 PGA300
PRODUCTION DATA.
When configured for voltage output mode, the FB– pin must be connected to the OUT pin. If the OUT pin is driving a large capacitive load, a compensation capacitor can be connected to the COMP pin and an isolation resistor can be placed between the OUT and FB– pins. The FB+ pin is not used in voltage output mode.
To configure the PGA300 for voltage output mode set the following bits in the OP_STAGE_CTRL register:
In addition set the DAC_RATIOMETRIC bit in the DAC_CONFIG register to the desired output method, either absolute or ratiometric voltage output mode.