RV4141AM Fairchild Semiconductor, RV4141AM Datasheet

CONTROLLER GROUND FAULT 8-SOIC

RV4141AM

Manufacturer Part Number
RV4141AM
Description
CONTROLLER GROUND FAULT 8-SOIC
Manufacturer
Fairchild Semiconductor
Datasheet

Specifications of RV4141AM

Applications
Ground Fault Protection
Current - Supply
10mA
Operating Temperature
-35°C ~ 80°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Product
Voltage References
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Supply
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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© 2003 Fairchild Semiconductor Corporation
RV4141A • Rev. 1.0.7
RV4141A
Low-Power, Ground-Fault Interrupter
Features
Ordering Information
Part Number
RV4141AN
RV4141AMT
For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
Powered from the AC Line
Built-In Rectifier
Direct Interface to SCR
500μA Quiescent Current
Precision Sense Amplifier
Adjustable Time Delay
Minimum External Components
Meets UL 943 Requirements
Compatible with 110V or 220V Systems
Available in an 8-Pin SOIC Package
Temperature
-30 to +85°C
-30 to +85°C
Operating
Range
Status
Green
Green
Eco
8-Lead, Plastic Dual-Inline Package (DIP)
8-Lead, Plastic Small-Outline Integrated Circuit (SOIC) Tape and Reel
Description
The RV4141A is a low-power controller for AC-
receptacle, ground-fault circuit interrupters. These
devices detect hazardous current paths to ground and
ground to neutral faults. The circuit interrupter then
disconnects the load from the line before a harmful or
lethal shock occurs.
Internally, the RV4141A contains a diode rectifier, shunt
regulator, precision sense amplifier, current reference,
time delay circuit, and SCR driver.
Two sense transformers, SCR, solenoid, three resistors,
and four capacitors complete the design of the basic
circuit interrupter. The simple layout and minimum
component count ensure ease of application and long-
term reliability. Features not found in other GFCI
controllers include a low offset voltage sense amplifier,
eliminating the need for a coupling capacitor between
the sense transformer and sense amplifier, and an
internal rectifier to eliminate high-voltage rectifying
diodes.
The RV4141A is powered only during the positive half
period of the line voltage, but can sense current faults
independent of its phase relative to the line voltage. The
gate of the SCR is driven only during the positive half
cycle of the line voltage.
Package
September 2009
www.fairchildsemi.com
Packing
Method
Rails

Related parts for RV4141AM

RV4141AM Summary of contents

Page 1

... Ordering Information Operating Part Number Temperature Range RV4141AN -30 to +85°C RV4141AMT -30 to +85°C For Fairchild’s definition of Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.7 Description The RV4141A is a low-power controller for AC- receptacle, ground-fault circuit interrupters. These devices detect hazardous current paths to ground and ground to neutral faults ...

Page 2

... Output for triggering external SCR when a fault is detected An external capacitor to ground sets the delay time for a ground fault to be present before 8 Delay Cap triggering the SCR © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.7 Figure 1. Block Diagram Figure 2. Pin Assignment sets the I ...

Page 3

... Storage Temperature Range STG T Operating Temperature Range A T Junction Temperature J T Lead Soldering Temperature L Thermal Characteristics Symbol Θ Thermal Resistance JA © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.7 Parameter 10 Seconds, SOIC 60 Seconds, DIP Parameter SOIC DIP 3 Min. Max. Unit 10 mA 500 mW ...

Page 4

... Delay Time DLY I Delay Current DLY Notes: 1. Delay time is defined as starting when the instantaneous sense current (I when the SCR trigger voltage V © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.7 = 650kΩ. SET Conditions I = 11µA 2 750µ 9µA LINE ...

Page 5

... LINE limited to 3.6mA. The recommended maximum peak line current through R is 10mA. LINE © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.7 GFCI Application (Refer to Figure 3) The GFCI detects a ground fault by sensing a difference in current in the line and neutral wires. The difference in ...

Page 6

... The secondary is usually from 200 to 1500 turns. Transformers may be obtained from Magnetic Metals, Inc. (www.magmet.com). © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.7 Calculating the Values of R Determine the requirement ...

Page 7

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...

Page 8

... Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’ ...

Page 9

... Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.7 9 www.fairchildsemi.com ...

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