Zxct1080, High voltage high-side current monitor, Typical characteristics – Diodes ZXCT1080 User Manual
Page 4
ZXCT1080
HIGH VOLTAGE HIGH-SIDE CURRENT MONITOR
ZXCT1080
Document number: DS33454 Rev. 4 - 2
4 of 11
December 2011
© Diodes Incorporated
Typical Characteristics
Test conditions unless otherwise stated:T
A
= 25
°C, V
IN
= 12V, V
CC
= 5V, V
SENSE+
= 12V, V
SENSE
= 100mV
2
4
6
8
10
12
50
55
60
65
70
I
, S
U
PPL
Y CUR
RE
NT
(
µA)
CC
V
, SUPPLY VOLTAGE (V)
Fig. 1 Supply Current
CC
V
= 12V
V
= 0mV
S+
SENSE
T = 125°C
A
T = 85°C
A
T = 25°C
A
T = 0°C
A
T = -40°C
A
0
5
10
15
20
25
30
35
40
5
10
15
20
V
, INPUT CURRENT (V)
Fig. 2 Input Current
S+
I I
N
P
U
T
C
U
R
R
EN
T
(µ
A
)
S+
T = 125°C
A
T = 25°C
A
T = -40°C
A
V
= 5V
V
= 0mV
CC
SENSE
-50
-25
0
25
50
75
100
125
5
10
15
20
T , TEMPERATURE(°C)
Fig. 3 Input Current
A
I
INP
U
T
CURRENT
(
µ
A)
S+
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
40
V
= 5V
V
= 0mV
T
= 25°C
CC
SENSE
AMB
V
, INPUT VOLTAGE (V)
Fig. 4 Sense Current
S+
I S
E
N
SE
C
U
R
R
E
N
T
(n
A
)
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
V,
O
U
T
P
U
T
V
O
L
T
A
G
E (V
)
OU
T
-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 (°C)
Fig. 6 Output Voltage
A
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
V,
O
U
T
P
U
T
V
O
L
T
A
G
E (
V
)
OU
T