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NCS37020

Part Number	NCS37020
Manufacturer	ON Semiconductor
Description	Self-Test Appliance Leakage Circuit Interrupter
Published	Jul 3, 2022
Detailed Description	Self-Test Appliance Leakage Circuit Interrupter (ALCI) NCS37020 The NCS37020 is an UL943B compliant signal processor for...
Datasheet	NCS37020 PDF File

Overview

Self-Test Appliance Leakage Circuit Interrupter (ALCI) NCS37020 The NCS37020 is an UL943B compliant signal processor for ALCI applications with self−test.
The device integrates a 12 V shunt power supply, tiered differential fault detection and self−test per the UL943B standard.
Self−test is monitored at start up and every 12 minutes.
Features • Meets UL943B Self−test ALCI Requirements • 12 V Shunt Regulator • Precision Bandgap • 3.
3 V LDO Linear Regulator • CT Sense Amplifier VOS Dynamic Cancellation • Oscillator Frequency Trimmed to AC Input • Tiered GF Trip Times • Built−In Noise Filter • LED EOL Indicator • SCR Gate Driver • Adjustable Sensitivity • Minimum External Components • Low Quiescent Current • 14 Pin TSSOP Package Typical Applications • Personal Care Products • Non Grounded Neutral Electrical Outlets, Circuit Breakers and Power Cords Requiring Ground Fault Safety Features • ALCI and RCCB Circuits DATA SHEET www.
onsemi.
com 14 1 TSSOP−14 CASE 948G MARKING DIAGRAM 14 NCS 37...

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