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NCS37014

ON Semiconductor
Part Number NCS37014
Manufacturer ON Semiconductor
Description Self Test Ground Fault-Circuit Interrupter
Published Apr 21, 2020
Detailed Description DATA SHEET www.onsemi.com Self Test Ground Fault Circuit Interrupter (GFCI) NCS37014 The NCS37014 is a UL943 compliant ...
Datasheet PDF File NCS37014 PDF File

NCS37014
NCS37014

Overview
DATA SHEET www.
onsemi.
com Self Test Ground Fault Circuit Interrupter (GFCI) NCS37014 The NCS37014 is a UL943 compliant signal processor for GFCI applications with self test.
The device integrates a flexible power supply (including a 12 V shunt and two 3.
3 V internal series regulators), differential fault, and grounded−neutral detection circuits.
Self test is monitored at start up and then every 17 minutes.
Features • Meets UL943 Self−test GFCI Requirements • 4.
0 – 12 Volt Operation (120−480 V AC mains with the appropriate series impedance) • −40oC to 95oC • Typical 575 mA Quiescent Current @ 11 V • 16 Pin QFN • Self Syncing Internal Oscillator adjusts to AC Mains Frequency to Guarantee Full Resolution on 60 Hz Distribution Systems • Optimized Solenoid Deployment (coil is not energized near the AC mains zero crossings).
• Power Supply Monitor that Verifies Full Diode Bridge Operation • Tiered Trip Times that Increase Immunity to Noise • Under−voltage Detection that Allows for Increased Operation at Lower AC Input Voltages Typical Applications • GFCI Receptacles • Load Panel GFCI Breakers • In−line GFCI Circuits (power cords) QFN16 CASE 485FQ PIN ASSIGNMENT GNE TE SCR PTT CTG GFT CTB CTS LED MLD SUP RES CTO IDF VDA GND (Top View) MARKING DIAGRAM 37014 ALYWG G 37014 A L Y W G = Specific Device Code = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package (Note: Device NCS37014MNTWG includes Pb−Free micro dot below assembly information text; Device NCS37014MNATWG includes Pb−Free micro dot to the right of assembly information text) ORDERING INFORMATION See detailed ordering and shipping information on page 7 of this data sheet.
© Semiconductor Components Industries, LLC, 2019 1 January, 2022 − Rev.
3 Publication Order Number: NCS37014/D NCS37014 SUP CTB IDF CTO CTG CTS MLD 1.
65V 12V Shunt Regulator − + 3.
3V Analog Regulator Voltage Divider − +/− + +0.
2V −0.
2V Saturation Clamp/ Detection + − 3.
3V Shunt Regulator UVD 3.
3V An...


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