LM1851 Unisonic Technologies, LM1851 Datasheet - Page 9

• Manufacturer Part Number: LM1851
• Description: Ground Fault Interrupter
• Manufacturer: Unisonic Technologies

UTC LM1851
TYPICAL PERFORMANCE CHARACTERISTICS
UTC
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.
1000
1400
1200
1000
800
600
400
200
100
10
0
0
0.01
0
Output Drive Current vs Output Voltage
1mA
Average Trip Time vs Fault Current
8
5
31V
OUTPUT VOLTAGE@ V
TRIP TIME (SECONDS)
4
10
NORMAL
FAULT
5mA
1
V
PIN1
0.1
A
UNISONIC TECHNOLOGIES CO., LTD.
15
20
UL943
1.0
25
CIRCUIT OF
FIGURE 2
PIN1
(V)
30
10
35
LINEAR INTEGRATED CIRCUIT
0.01
100
0.1
10
10
100k
1
1
0.1
Normal Fault Current Threshold vs R
EXTERNAL LOAD CURRENT, I
Pin 1 Saturation Voltage vs External
R
SET
1
SENSE TRANSF0RMER
Load Current, I
=
I
f
(rms)*×(0.91)
R
1M
SET
7V
1000:1
(Ω)
1mA
10
8
L
4
5mA
L
1
(mA)
V
QW-R122-007,A
31V
SET
10M
I
100
L
9