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NCP392A - Adjustable Front End Overvoltage Protection Controller

Description

(Top View) Figure 3.

Table 1.

I/O Enable pin bar.

Features

  • Over.
  • voltage Protection Up to + 28 V.
  • On.
  • chip Low RDS(on) NMOS Transistors: Typical 34 mW.
  • Over.
  • voltage Lockout (OVLO).
  • Externally Adjustable OVLO.
  • Protected VBUS Indicator Output VBUS_DET.
  • Internal 15 ms Startup Delay.
  • 100 ms Start Up Delay Option (B Version).
  • Shutdown EN Input.
  • + 86 V Surge Capability, in Compliance with IEC61000.
  • 4.
  • 5.
  • Compliance to IEC61000.

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Datasheet Details

Part number NCP392A
Manufacturer onsemi
File Size 212.84 KB
Description Adjustable Front End Overvoltage Protection Controller
Datasheet download datasheet NCP392A Datasheet

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Full PDF Text Transcription

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NCP392A Adjustable Front End Overvoltage Protection Controller with Protected Vbus Output The NCP392A is an overvoltage front end protection and be able to disconnect the systems from its output pin in case wrong input operating conditions are detected, 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. Internal OVLO threshold is available, or can be adjusted if external resistor bridge is used (A version). At power up (EN pin = low level), the Vout turns on tstart time after internal timer elapsed. A LDO, internally connected on IN pin, provided a protected output voltage even if an over voltage is present on IN pin.
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