NCP391 controller equivalent, positive overvoltage protection controller.
* Overvoltage Protection up to 28 V
* On−Chip Low RDS(on) NMOS Transistor
* Internal Charge Pump
* Overvoltage Lockout (OVLO)
* Undervoltage Lockout (.
* Cell Phones
* Camera Phones
* Digital Still Cameras
* Personal Digital Applications
* MP3 Players
.
Pin No. Symbol Function
Description
1, 2 or
IN
A1, A2
INPUT
Input Voltage Pins. These pins are connected to the Wall Adapoter (AC−DC, Vbus ..). A 1 mF low ESR ceramic capacitor, or larger, must be connected between these pins and GND, as close .
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