LTC4222
7
4222fb
TYPICAL PERFORMANCE CHARACTERISTICS
V
GATE
vs Temperature
V
GATE
vs I
GATE
I
GATE
vs Temperature
T
A
= 25癈. V
DDn
= 12V unless otherwise noted.
TEMPERATURE (癈)
50
6.1
6.0
5.8
5.6
5.9
5.7
5.5
5.4
50
0
4222 G10
100
25
25
75
V
DD2
= 2.9V
V
DD2
= 3.3V
V
DD2
= 5V
V
DD2
= 12V
I
GATE
(A)
0
6.5
6.0
4.5
5.5
5.0
4.0
10
4
6
4222 G11
14
8
2
12
V
DD2
= 2.9V
V
DD2
= 3.3V
V
DD2
= 5V
V
DD2
= 12V
TEMPERATURE (癈)
50
12.0
11.9
11.7
11.8
11.6
11.5
50
0
4222 G12
100
25
25
75
I
GPIO
(mA)
0
6
2
4222 G13
10
4
8
0.6
0.4
0.2
0.5
0.3
0.1
0
V
DD2
= 2.9V
V
DD2
= 12V
V
OL(GPIO)
vs I
GPIO
ADC Total Unadjusted Error vs
CODE (ADIN1)
CODE
0
0
0.9
0.7
0.6
0.8
1.0
0.4
0.2
0.1
0.3
0.5
512
256
4222 G14
1024
768
V
SENSE
(mV)
0
100
10
1
0.1
4222 G18
400
350
300
250
200
150
100
50
ADC INL vs CODE (ADIN1)
ADC DNL vs CODE (ADIN1)
ADC Full-Scale Error vs
Temperature
T
PHL
V
GATE
vs V
SENSE
Overdrive
TEMPERATURE (癈)
50
4
3
2
0
2
1
1
3
4
50
0
4222 G17
100
25
25
75
CODE
0
0.5
0.4
0.4
0.2
0
0.2
0.3
0.1
0.1
0.3
0.5
512
256
4222 G15
1024
768
CODE
0
0.5
0.4
0.4
0.2
0
0.2
0.3
0.1
0.1
0.3
0.5
512
256
4222 G16
1024
768