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PDF NCS37005 Data sheet ( Hoja de datos )
| Número de pieza | NCS37005 | |
| Descripción | Ground Fault Interrupter | |
| Fabricantes | ON Semiconductor | |
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NCS37005
Product Preview
Ground Fault Interrupter
(GFI)
Description
The NCS37005 is a signal processor for GFI applications. The
device integrates a flexible power supply (including both shunt and
LDO regulators), and differential fault detection circuits. The
proprietary fault processing circuitry offers high performance with
low turns ratio ferrite current transformers. The device also includes a
specialized DSP controller that offers best in class immunity to
nuisance loads without the need for external analog filters.
Features
• 6.0 – 18 Volt Operation (120 − 480 V AC Mains with the Appropriate
Series Impedance)
• −40 to 85°C
• Very Low Power Consumption: <5 mW @ 5 V
• 16 Pin QFN Package
• Low Cost/Turns Ratio Ferrite Current Transformer (CT) Detection of
Differential
• 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 Additional Immunity to Supply
Noise/Interference
• 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 GFI/RCD Breakers
• GFI Receptacles
• In−line GFI Circuits (power cords)
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
http://onsemi.com
1
QFN 16
MN SUFFIX
CASE 485G
16
TSSOP 16
DA SUFFIX
CASE 948F
1
MARKING DIAGRAM
XXXXX
ALYWG
CCCCC
XXXXX = Specific Device Code
A = Assembly Location
L = Wafer Lot
Y = Year
W = Work Week
G or G = Pb−Free Package
CCCCC = Country of Origin
PIN CONNECTIONS
MLD
CTresGN
CTbias
CTstim
1
GND
(Top View)
ORDERING INFORMATION
Device
Package
Shipping†
NCS37005MNTWG
NCS37005MNG
NCS37005DARG
NCS37005DAG
QFN16
QFN16
TSSOP20
TSSOP20
Tape & Reel
Tube
Tape & Reel
Tube
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2012
April, 2012 − Rev. P0
1
Publication Order Number:
NCS37005/D
1 page  
NCS37005
APPLICATIONS INFORMATION
Solenoid
T1
Cgn
Rmains
Dx
Full WavoerRectifier
Switch mode supply
Rzc
Csup
MLD
CTresGN
CTbias
CTstim
Q1
Cidf
RctD
Figure 2. Typical Application Schematic
http://onsemi.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet NCS37005.PDF ] | |
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