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NCS37010 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCS37010 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 12 page © Semiconductor Components Industries, LLC, 2014 October, 2014 − Rev. 1 1 Publication Order Number: NCP37010/D NCS37010 Self Test With Lockout Ground Fault Circuit Interrupter (GFCI) 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 60ms and removes the lockout if the test passes. This self test consists of a differential, ground−neutral and solenoid test. 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 Oscillator Adjusts to AC Mains Frequency to Guarantee Full Resolution on 50 and 60 Hz Distribution Systems • Optimized Solenoid Deployment (Coil is Not Energized Near the AC Mains Zero Crossings) • Randomized Testing Sequence to Minimize Noise and Potential Interactions on the AC Mains • >5 mA SCR Driver for Use with High Igt SCR’s for Improved Noise Immunity • Superior Immunity to Nuisance Loads/Noise (up to 10 A) Without Loss of Detection Capability or CT Saturation • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant Typical Applications • Load Panel GFCI Breakers • GFCI Receptacles • In−line GFCI Circuits (Power Cords) MARKING DIAGRAMS www.onsemi.com See detailed ordering and shipping information on page 10 of this data sheet. ORDERING INFORMATION QFN16 CASE 485G 1 NCS 37010 ALYWG XXXXX = Specific Device Code A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Package (Note: Microdot may be in either location) 1 20 TSSOP−20 DB SUFFIX CASE 948E 3701 0DBG ALYWG G PIN CONNECTIONS MLD CTresGN CTbias CTstim GND (Top View) 1 LObar PTT TE SCRtstEN |
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