Data Sheet

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Wireless-Tag Technology Co., Limited http://www.wireless-tag.com
provides external expansion board. Figure 5 is a schematic diagram of the test points of
the power supply of the development board.
Figure 4-1: Schematic diagram of power supply test points of the development board
Board Electrical Parameters
Test environment:
1、Temperature: Room temperature 25 ℃
2、Power supply: 5.0V Voltage ripple V < 100mA
Test parameters:
1、Normal working current: 240mA（Average current）
2、Working current under sleep: Less than 18mA（Average current）