ZXCT1080
HIGH VOLTAGE HIGH-SIDE CURRENT MONITOR
 
ZXCT1080  
Document number: DS33454 Rev. 4 - 2 
6 of 11
www.diodes.com
December 2011
?Diodes Incorporated 
Typical Characteristics (cont.) 
 
Test conditions unless otherwise stated:T
A
 = 25?/SPAN>C, V
IN
 = 12V, V
CC
 = 5V, V
SENSE+
 = 12V, V
SENSE
 = 100mV
 
 
 
 
4
6
8
10
12
-2
0
2
4
6
8
V    = 10mV to 150mV
SENSE
V   , SUPPLY VOLTAGE (V)
Fig. 12
CC
Normalized Output Voltage
V    = 12V
IN
T   = 25癈
A
4
6
8
10
12
-4
-2
0
2
4
6
8
10
12
14
V   , SUPPLY VOLTAGE (V)
Fig. 13
CC
Normalized Output Voltage
V    = 12V
V
 = 5V
IN
SENSE
T   = 125癈
A
T   = 85癈
A
T   = 25癈
A
T   = 0癈
A
T   = -40癈
A
1k
10k
100k
1M
5
10
15
20
FREQUENCY (Mhz)
Fig. 14 Small Signal Bandwidth
V    = 12V
V     = 5V
T   = 25C
V
 = 10mV
IN
CC
A
SENSE
p-p
10M
-2
0    2
4
6
8    10   12    14
0.0
0.5
1.0
1.5
TIME (祍)
Fig. 15 Large Signal Pulse Response
0
200
400
600
0
10
20
30
40
50
60
V    = 12V
V
 = 60V
V     = 5V
R
 = 0.1
R
 = 30
IN
IN PEAK
CC
SENSE
LOAD
?/DIV>
?/DIV>
TIME (ms)
Fig. 16 Load Dump Waveform
V
OUT
V
IN
-2
0    2
4
6
8    10   12   14
0.90
0.95
1.00
TIME (祍)
Fig. 17 Small Signal Pulse Response
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