BP2525CH chip equivalent, ultra-low power non-isolated step-down ac/dc constant voltage chip.
Low standby power consumption <20mW at 120Vac & 230Vac fixed 3.3Vor 5VOutput voltage, can choose to support direct output 3.3V
Internal integrated high voltage power tube.
Pin number
1 2 3 4 5
Figure 2 Pin package diagram
Pin name
GND SEL VCC
DRAIN
CS
describe Chip ground Output voltage selection terminal. Connect to VCC: output 3.3V; connect to GND: output 5V Chip power terminal The drain of the high-voltage power .
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