UNISONIC TECHNOLOGIES CO., LTD GF2140
LOW POWER TWO-WIRE GROUND FAULT INTERRUPTER
DESCRIPTION
As a low power controller for AC output appliance leakage current interrupters, the UTC GF2140 can detect hazardous current paths to ground, and trigger SCR to protect.
LINEAR INTEGRATED CIRCUIT
SOP-8
FEATURES
* Directly powered from the AC line * Build-in bridge rectifer * Interface to SCR * Adjustable trip current and time delay * Minimum external components * For two-wire system * Be used in 110V or 220V system
Lead-free: GF2140L Halogen-free: GF2140G
ORDERING INFORMATION
Normal GF2140-S08-R GF2140-S08-T Ordering Number Lead Free GF2140L-S08-R GF2140L-S08-T Halogen Free GF2140G-S08-R GF2140G-S08-T Package SOP-8 SOP-8 Packing Tape Reel Tube
www.unisonic.com.tw
1 of 4 QW-R121-016.B
Copyright © 2008 Unisonic Technologies Co., Ltd
GF2140
PIN CONNECTIONS
LINEAR INTEGRATED CIRCUIT
PIN DESCRIPTION
PIN # 1 2 3 4 5 6 7 8 PIN NAME Rsct VFB VREF GND Line Neutral SCR Trigger C Delay I/O O I I I I O PIN FUNCTION Output of Leakage current first Input of leakage current Reference voltage Ground Line input Neutral input SCR Trigger The Delay time
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 4 QW-R121-016.B
GF2140
PARAMETER Shunt Regulator (PIN 5-4) Regulator Voltage Sense Amplifier (PIN 2-3) Offset Voltage Input Bias Current Gain Bandwidth SCR Trigger (PIN 7-6) Output Voltage Output Current Output Resistance Reference Voltage (PIN 3-4) Reference Voltage Delay Time (PIN 8-4) Delay Current Delay Time SYMBOL VREG VI(OFF) II(BIAS) fT VOUT IOUT ZO VREF ID tD
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (ILINE=1.2mA, TA=25℃,RSET=290kΩ)
CONDITIONS I2-3=11μA ILINE=700μA, I2-3=9μA Design Value Design Value Design Value I2-3=9μA I2-3=11μA V7-6=0V, I2-3=11μA V5-6=open, I2-3=0 ILINE=700μA I2-3=11μA C8-4=20nF MIN 6.1 6.1 -3.0 TYP 6.5 6.5 0 15 3.44 0.1 2.0 420 4.7 2.9 30 2.0 MAX UNITS 7.5 7.5 +3.0 30 V mV nA MHZ mV V μA KΩ V μA ms
0 1.4 300 4.0 2.6 23
10 2.6 600 5.4 3.4 43
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 4 QW-R121-016.B
GF2140
TYPICAL APPLICATION CIRCUIT
LINEAR INTEGRATED CIRCUIT
U TC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 4 QW-R121-016.B
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