ZXCT1080
HIGH VOLTAGE HIGH-SIDE CURRENT MONITOR
ZXCT1080
Document number: DS33454 Rev. 4 - 2
4 of 11
www.diodes.com
December 2011
?Diodes Incorporated
Typical Characteristics
Test conditions unless otherwise stated:T
A
= 25?/SPAN>C, V
IN
= 12V, V
CC
= 5V, V
SENSE+
= 12V, V
SENSE
= 100mV
2
4
6
8
10
12
50
55
60
65
70
V , SUPPLY VOLTAGE (V)
Fig. 1 Supply Current
CC
V = 12V
V
= 0mV
S+
SENSE
T = 125癈
A
T = 85癈
A
T = 25癈
A
T = 0癈
A
T = -40癈
A
0
5
10 15 20 25 30 35 40
5
10
15
20
V , INPUT CURRENT (V)
Fig. 2 Input Current
S+
T = 125癈
A
T = 25癈
A
T = -40癈
A
V = 5V
V
= 0mV
CC
SENSE
-50 -25
0
25
50 75 100 125
5
10
15
20
T , TEMPERATURE(癈)
Fig. 3 Input Current
A
0
5
10 15 20 25 30 35 40
0
5
10
15
20
25
30
35
40
V = 5V
V
= 0mV
T
= 25癈
CC
SENSE
AMB
V , INPUT VOLTAGE (V)
Fig. 4 Sense Current
S+
0.04
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.06
0.00 0.02
0.08 0.10 0.12 0.14
V
,SENSE VOLTAGE (V)
Fig. 5 Output Voltage
SENSE
-25
1.8
V = 5V
V = 12V
CC
S+
V
= 150mV
SENSE
V
= 100mV
SENSE
V
= 50mV
SENSE
V
= 10mV
SENSE
-50
0
100
75
125
50
25
T , TEMPERATURE (癈)
Fig. 6 Output Voltage
A
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0