BD9757MWV_10 Datasheet, PDF (16/24 Pages) Rohm – Switching Regulator IC

BD9757MWV
Technical Note
UPIC8
rising edge count
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
DAC input
DACIN[4:0]
01h
02h
03h
04h
05h
06h
07h
08h
09h
0Ah
0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1Eh
1Fh
Fig.30 LED current setting
(Note 1) LED current = INV8I voltage / resistance R for LED current setting
INV8I
output voltage [V]
0.100
0.110
0.120
0.130
0.140
0.150
0.160
0.170
0.180
0.190
0.200
0.210
0.220
0.230
0.240
0.250
0.260
0.270
0.280
0.290
0.300
0.310
0.320
0.330
0.340
0.350
0.360
0.370
0.380
0.390
0.400
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2010.11 - Rev.A