RV4141A Fairchild Semiconductor, RV4141A Datasheet
RV4141A
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RV4141A Summary of contents
Page 1
... 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 ...
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... Substrate ground for all circuitry 5 Line Anode of internal diode connected to supply voltage 6 +V Supply input for RV4141A circuitry S 7 SCR Trigger 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 ...
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... Storage Temperature Range STG T Operating Temperature Range A T Junction Temperature J T Lead Soldering Temperature L Thermal Characteristics Symbol Thermal Resistance JA © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.8 Parameter 10 Seconds, SOIC 60 Seconds, DIP Parameter SOIC DIP 3 Min. Max. Unit 10 mA 500 mW -65 +150 ° ...
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... Delay Time DLY I Delay Current DLY Notes: 1. Delay time is defined as starting when the instantaneous sense current (I the SCR trigger voltage V 7-6 © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.8 = 650k SET Conditions I = 11µA 2 750µ 9µA LINE 2-3 V ...
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... The SCR can be tripped only when its anode is more positive than its cathode. Supply Current Requirements The RV4141A is powered directly from the line through a series-limiting resistor called R between 24k and 91k The controller IC has a built-in dioderectifier, eliminating the need for external power diodes. ...
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... 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. 1.0.8 Calculating the Values of R Determine the requirement. This is typically 5mA in North America ...
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... 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’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0 .400 10.15 ...
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... 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’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2003 Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.8 5.00 4.80 A 3.81 ...
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... Fairchild Semiconductor Corporation RV4141A • Rev. 1.0.8 9 www.fairchildsemi.com ...