Datasheet

Data Sheet ADM1073
Rev. B | Page 11 of 24
04488-021
TEMPERA
TURE (°C)
85–
50
–35
–20
–
5 10
25 40 55 70
V (mV)
80
85
90
120
105
110
1
15
95
100
V
FCL
V
ACL
V
CB
Figure 21. Voltage Limits for Load Current Control vs. Temperature
04488-022
TEMPER
ATURE (°
C)
85–50
–35 –
20 –5 10
25 40 55 70
TIMER THRESHOLD (V)
0
0.5
3.0
2.0
2.5
1.0
1.5
V
TMR
(LOW)
V
TMR
(HIGH)
Figure 22. High and Low TIMER Thresholds vs. Temperature
04488-023
TEMPERATURE (°C)
85–50 –35 –20 –5 10 25 40 55 70
TIMER (ms)
0
2
4
20
12
14
16
18
6
8
10
Figure 23. Maximum Current Limit On-Time vs. Temperature
(I
DRAIN
= 4 µA, C
TIMER
= 47 nF)
04488-024
C
TIMER
(nF)
100
0 30
2010
40
50 60
70 80
90
1.0nF
4.7nF
10.0nF
22.0nF
33.0nF
47.0nF
68.0nF
82.0nF
100.0nF
TIMER (ms)
0
12
10
8
6
4
2
14
Figure 24. Current Limit On-Time vs. C
TIMER
(1 nF − 100 nF)
04488-025
TEMPERA
TURE (°C)
85
–50 –
35 –20 –5 10 25 40
55 70
PWM (%)
0
10
9
8
7
6
5
4
3
2
1
Figure 25. Current Limit PWM vs. Temperature
04488-026
R
TIMER
(MΩ)
100 1
2 3 4
5 6 7 8 9
PWM (%)
0
5
10
50
30
35
40
45
15
20
25
Figure 26. Current Limit PWM vs. R
TIMER