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Type-C DC-in port
Minimized Power Dissipation
tablet computers must update to Android 3
2-pin terminal block and jumper to connect external power
and slide it back and forth to make the separation faster
Lm7909 Negative Voltage Regulator rework Type-C DC-in portVoltage regulators are very common in electronic circuits. They provide a constant output voltage for a varied input voltage. In our case the 7905 IC is an negative 5V regulator, meaning it provides 5V as output. The name 7905 signifies two meaning, 79 means that it is a negative voltage regulator and 05 means that it provides 5V as output. So our 7905 will provide a 5V output voltage. The output current of this IC can go up to 1. 5A, but the IC