Power chip

3.3V fixed output, Iout=250mA(Min), Vin=30V(Max)

Output type: fixed Output polarity: positive Number of output channels: 1 Maximum input voltage: 7V Output voltage: 1.2V~5V Quiescent current (ground current): 0.5μA Output current: 400mA 0.5uA ultra-low static power consumption, 400mA current output Regulated LDO

Current Sense

Linear voltage regulator chip @@1.5uA static power consumption, 40V withstand voltage, 300mA output, with enable regulator LDO

Low power consumption primary side feedback control chip

High Voltage, High Current Warrington Transistor Array, ULN2003B 16-TSSOP -40 to 105