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NCP348 - Positive Overvoltage Protection Controller

General Description

Pin No.

1 IN POWER Input Voltage Pin.

4 This pin is connected to the power supply.

Key Features

  • Overvoltage Protection up to 28 V.
  • On.
  • Chip Low RDS(on) NMOS Transistor: 65 mW.
  • Internal Charge Pump.
  • Overvoltage Lockout (OVLO).
  • Undervoltage Lockout (UVLO).
  • Internal 50 ms Startup Delay.
  • Alert FLAG Output.
  • Shutdown EN Input.
  • Compliance to IEC61000.
  • 4.
  • 2 (Level 4) 8.0 kV (Contact) 15 kV (Air).
  • ESD Ratings: Machine Model = B Human Body Model = 3.
  • 10 Lead WDFN 2.5x2 mm Package.

📥 Download Datasheet

Datasheet Details

Part number NCP348
Manufacturer onsemi
File Size 482.79 KB
Description Positive Overvoltage Protection Controller
Datasheet download datasheet NCP348 Datasheet

Full PDF Text Transcription for NCP348 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for NCP348. For precise diagrams, and layout, please refer to the original PDF.

NCP348, NCP348AE Positive Overvoltage Protection Controller with Internal Low RON NMOS FET and Status FLAG The NCP348 is able to disconnect the systems from its output pi...

View more extracted text
s FLAG The NCP348 is able to disconnect the systems from its output pin in case wrong input operating conditions are detected. The system is positive overvoltage protected up to +28 V. Due to this device using internal NMOS, no external device is necessary, reducing the system cost and the PCB area of the application board. The NCP348 is able to instantaneously disconnect the output from the input, due to integrated Low RON Power NMOS (65 mW), if the input voltage exceeds the overvoltage threshold (OVLO) or undervoltage threshold (UVLO). At powerup (EN pin = low level), the Vout turns on 50 ms after the Vin exceeds the und

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