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NCP372 - Positive and Negative Overvoltage Protection Controller

Datasheet Summary

Description

1, 2 IN POWER Input voltage pins.

These pins are connected to the power supply.

A 1 mF low ESR ceramic capacitor, or larger, must be connected between these pins and GND.

Features

  • Overvoltage Protection up to 28 V.
  • Negative Voltage Protection down to.
  • 28 V.
  • Reverse Current Blocking.
  • On.
  • Chip Low RDS(on) NMOS Transistor: Typical 130 mW.
  • Overvoltage Lockout (OVLO).
  • Undervoltage Lockout (UVLO).
  • Soft.
  • Start.
  • Alert FLAG Output.
  • Shutdown EN Input.
  • Compliance to IEC61000.
  • 4.
  • 2 (Level 4) 8.0 kV (Contact) 15 kV (Air).
  • ESD Ratings: Machine Model =.

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Datasheet preview – NCP372

Datasheet Details

Part number NCP372
Manufacturer ON Semiconductor
File Size 224.64 KB
Description Positive and Negative Overvoltage Protection Controller
Datasheet download datasheet NCP372 Datasheet
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Full PDF Text Transcription

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NCP372 Positive and Negative Overvoltage Protection Controller with Internal Low Ron NMOS FETs and Status FLAG The NCP372 is able to disconnect systems from its output pin when wrong operating conditions are detected at it’s input. The system is both positive and negative overvoltage protected up to ±28 V. This device uses internal NMOS, and therefore, no external device is necessary, reducing the system cost and the PCB area of the application board. The NCP372 is able to instantaneously disconnect the output from the input, due to integrated Low Ron Power NMOS, if the input voltage exceeds the overvoltage threshold (OVLO) or undervoltage threshold (UVLO). At powerup (EN pin = low level), the Vout turns on 30 ms after the Vin exceeds the undervoltage threshold.
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