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CPC1978 Datasheet, PDF (5/6 Pages) Clare, Inc. – i4-PAC™ Power Relay
CPC1978
CPC1978
Typical Turn-Off vs. LED Forward Current
0.18
(IL=0.5ADC)
0.17
0.16
0.15
0.14
0.13
0.12
0.11
0.10
0
0 5 10 15 20 25 30 35 40 45 50
LED Forward Current (mA)
CPC1978
Typical Load Current vs. Load Voltage
(TA=25ºC, IF=10mA)
1.25
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
-1.25
-2.25 -1.5 -0.75 0 0.75 1.5 2.25
Load Voltage (V)
PERFORMANCE DATA*
CPC1978
Typical On-Resistance vs. Temperature
3.2
(IL=max rated)
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
-40 -20 0
20 40 60
80 100
Temperature (ºC)
CPC1978
Energy Rating Curve
(Free Air, No Heat Sink)
12
10
8
6
4
2
0
10µs 100µs 1ms 10ms 100ms 1s
Time
10s 100s
CPC1978
Typical IF for Switch Operation
vs. Temperature
(IL=0.5ADC)
20.0
18.0
16.0
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
-40 -20 0
20 40 60
80 100
Temperature (ºC)
Unless otherwise specified, all performance data was acquired without the use of a heat sink.
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please
contact our application department.
R04
www.clare.com
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