Power chip

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LM2937 500 mA Low Dropout Voltage Regulator

DC buck regulator, output 3.3V fixed voltage

Input Voltage: 9-36Vdc\nOutput Voltage: 9V\nOutput Current: 1.1A\nOutput Power: 10W\nIsolation Voltage: 1500VDC\nConversion Efficiency: 88%\nFeature: Output Short Circuit Protection

100mA, Low Noise, LDO Micropower Regulator

Isolated power module: input range AC85~265V/DC100~370V, dual output ±15V, 30W, isolation voltage greater than 2.5kVAC, standard size, industrial grade, standby power consumption as low as 0.15W, TA30 series module power efficiency up to 86% ,DIP:70*48*23mm

BQ77905 bq77904/bq77905: 3-5S Low Power Protector