这里有78L18是什么芯片，78L18中文资料规格书PDF技术资料引脚参数图及功能。
78L18制造商:PRIVATE LABEL 功能描述:IC, LINEAR VOLTAGE REGULATOR, 18V, TO-92, Primary Input Voltage:27V, Output Volt 制造商:SPC Multicomp 功能描述:IC, LINEAR VOLTAGE REGULATOR, 18V, TO-92, Input Voltage Min:27V, Input Voltage Max:35V, Output Current:40mA, No. of Pins:3, Operating Temperature Min:0C, Operating Temperature Max:70C, MSL:-, Current Rating:0.1A, No. of Outputs:1 , RoHS Compliant: No
78L18A制造商:ESTEK 制造商全称:ESTEK 功能描述:3-Terminal Regulators
78L18AC制造商:. 功能描述:
