L9903
Power management
STMicroelectronicsBrandedL9903Integrated circuit electronic chips use1000Encapsulated, with a working temperature range of-40°C ~ 150°C（TJ）,The voltage is8V ~ 20V,use20-SOIC（0.295"，7.50mm 宽）Packaging technology，nowL9903Chip inventory is18346individual。
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