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NCS37010 - Self Test With Lockout Ground Fault-Circuit Interrupter

Description

Pin # Name 0 Ground 1 MLD 2 CtresGN 3 Ctbias 4 Ctstim 5 CTresD 6 IDF 7 GFtst 8 GnEN 9 SCRtstEN 10 TE 11 PTT 12 LObar 13 LED[0] 14 LO 15 SCRdrv 16 Supply Pad Description QFN center slug Mains Level Detect (Zero Cross) Determines IV converter gain for detection thr

Features

  • 6.0.
  • 12 V Operation (120.
  • 480 V AC Mains with the Appropriate Series Impedance).
  • 40 to 85°C.
  • Very low power consumption: < 15 mW @ 6 V.
  • 16 Pin QFN or 20 Pin TSSOP Package.
  • Single Current Transformer (CT) Detection of Both Differential and Grounded.
  • Neutral Faults.
  • Full Self Test and Trip Indicator Monitoring.
  • Self Test on Power Up Enables Lockout Functionality.
  • Self Syncing Internal Oscill.

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Datasheet Details

Part number NCS37010
Manufacturer onsemi
File Size 297.24 KB
Description Self Test With Lockout Ground Fault-Circuit Interrupter
Datasheet download datasheet NCS37010 Datasheet

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Full PDF Text Transcription

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DATA SHEET www.onsemi.com Self Test With Lockout Ground Fault Circuit Interrupter (GFCI) NCS37010 The NCS37010 is a fully UL943 compliant signal processor for GFCI applications with self test and lockout. The device integrates a flexible power supply (including both shunt and LDO regulators), differential fault, and grounded−neutral detection circuits. Proprietary impedance measurement and signal processing techniques are used to minimize the number of external components and improve performance. The device also includes a specialized DSP controller that offers best in class immunity to nuisance loads without the need for external analog filters. At power up the NCS37010 performs a self test at 60 ms and removes the lockout if the test passes.
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