UTC-IC GF2140

UNISONIC TECHNOLOGIES CO., LTD
GF2140
LINEAR INTEGRATED CIRCUIT
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.
„
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
„
SOP-8
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
www.unisonic.com.tw
Copyright © 2008 Unisonic Technologies Co., Ltd
Package
Packing
SOP-8
SOP-8
Tape Reel
Tube
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QW-R121-016.B
GF2140
LINEAR INTEGRATED CIRCUIT
„
PIN CONNECTIONS
„
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
„
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (ILINE=1.2mA, TA=25℃,RSET=290kΩ)
PARAMETER
Shunt Regulator (PIN 5-4)
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Regulator Voltage
VREG
I2-3=11μA
ILINE=700μA, I2-3=9μA
6.1
6.1
6.5
6.5
7.5
7.5
Sense Amplifier (PIN 2-3)
Offset Voltage
Input Bias Current
Gain Bandwidth
SCR Trigger (PIN 7-6)
VI(OFF)
II(BIAS)
fT
Design Value
Design Value
Design Value
-3.0
0
15
3.44
+3.0
30
mV
nA
MHZ
Output Voltage
VOUT
Output Current
Output Resistance
Reference Voltage (PIN 3-4)
Reference Voltage
Delay Time (PIN 8-4)
Delay Current
Delay Time
IOUT
ZO
I2-3=9μA
I2-3=11μA
V7-6=0V, I2-3=11μA
V5-6=open, I2-3=0
0
1.4
300
4.0
0.1
2.0
420
4.7
10
2.6
600
5.4
mV
V
μA
KΩ
VREF
ILINE=700μA
2.6
2.9
3.4
V
I2-3=11μA
C8-4=20nF
23
30
2.0
43
μA
ms
ID
tD
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
V
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QW-R121-016.B
GF2140
„
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUIT
UTC 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
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QW-R121-016.B