CAT4003B, CAT4004B
The LED driver enters a “zero current” shutdown mode if
EN/DIM is held low for longer than 5 ms.
The dimming level is set by the number of pulses on the
EN/DIM after the power ? up, as shown in Table 6.
Table 6. DIMMING LEVELS
Full Scale Current in %
55
52
48
45
Dimming Pulses [n]
14
15
16
17
Full Scale Current in %
100
97
94
90
87
84
81
77
74
71
68
65
61
58
Dimming Pulses [n]
0
1
2
3
4
5
6
7
8
9
10
11
12
13
42
39
35
32
29
26
23
19
16
13
10
6
3
0
100
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
http://onsemi.com
8
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