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NCP391 Datasheet, ON Semiconductor

NCP391 controller equivalent, positive overvoltage protection controller.

NCP391 Avg. rating / M : 1.0 rating-12

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NCP391 Datasheet

Features and benefits


* Overvoltage Protection up to 28 V
* On−Chip Low RDS(on) NMOS Transistor
* Internal Charge Pump
* Overvoltage Lockout (OVLO)
* Undervoltage Lockout (.

Application


* Cell Phones
* Camera Phones
* Digital Still Cameras
* Personal Digital Applications
* MP3 Players .

Description

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 .

Image gallery

NCP391 Page 1 NCP391 Page 2 NCP391 Page 3

TAGS

NCP391
Positive
Overvoltage
Protection
Controller
NCP392A
NCP392B
NCP392D
ON Semiconductor

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