- 15 -
Fig 8 Circuit diagram (5V)
5.2. Power Supply Requirement
If an LDO is used to supply the module with 3.3V power, C1 capacitor can be considered to
be used with 10u-22u; If a DCDC is used to supply 3.3V power, C1 capacitor can be considered to
be used with 22uF.
It is recommended to supply the module with power higher than 400mA to ensure enough
power supply to the module and avoid power down during data transmission.
