MSC1215-XX OKI [OKI electronic componets], MSC1215-XX Datasheet - Page 19

• Manufacturer Part Number: MSC1215-XX
• Description: 17 x 2 Duplex Driver with Dimming, Keyscan and A/D Converter Function
• Manufacturer: OKI [OKI electronic componets]

¡ Semiconductor
Dimming Voltage-Pulse width Correspondence Table
Pulse Step
Number
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
VDI Threshold dimming voltage vs. PWM duty cycle (Typical Value)
Pulse Count
256/2048
240/2048
224/2048
208/2048
192/2048
184/2048
176/2048
168/2048
160/2048
152/2048
144/2048
136/2048
128/2048
120/2048
112/2048
104/2048
PWM Duty Cycle
96/2048
92/2048
88/2048
84/2048
80/2048
76/2048
72/2048
68/2048
64/2048
60/2048
12.5
11.7
10.9
10.2
9.38
8.98
8.59
8.20
7.81
7.42
7.03
6.64
6.25
5.86
5.47
5.08
4.69
4.49
4.30
4.10
3.91
3.71
3.52
3.32
3.13
2.93
%
12.5% PWM maximum table
Threshold
Voltage
Pulse Step
Number
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Pulse Count
PWM Duty Cycle
56/2048
52/2048
48/2048
46/2048
44/2048
42/2048
40/2048
38/2048
36/2048
34/2048
32/2048
30/2048
28/2048
26/2048
24/2048
23/2048
22/2048
21/2048
20/2048
19/2048
18/2048
17/2048
16/2048
15/2048
14/2048
13/2048
2.73
2.54
2.34
2.25
2.15
2.05
1.95
1.86
1.76
1.66
1.56
1.46
1.37
1.27
1.17
1.12
1.07
1.03
0.98
0.93
0.88
0.83
0.78
0.73
0.68
0.63
%
MSC1215-xx
(@V
Threshold
Voltage
0.000
DD
19/22
=2.8 V)