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BD7903FS Datasheet(Hoja de datos) 5 Page - Rohm

No. de Pieza. BD7903FS
Descripción  5CH Power Driver for CD-ROM, DVD-ROM
Descarga  16 Pages
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Fabricante  ROHM [Rohm]
Página de inicio  http://www.rohm.com
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 5 page
background image
BD7903FS
Optical disc ICs
5/16
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Input output circuit
Three-phase motor driver output
Hall signal input
current feedback
BTL driver output FO, TK
current feedback
BTL driver input FO, TK
BTL driver input LD
BTL driver input SL
BTL driver output SL, LD
PWM driver input Spindle
Spindle driver current detection input
Spindle driver feedback filter pin
Hall bias
FG signal output
46
48
45
47
50pin
50pin
50pin
2
50pin
3
17
25
18
11
10
WU
V
19
50pin
2.5k
7
5
9
54pin
50k
50k
54pin
54pin
6
4
8
30
54pin
5.4k
5k
10k
10k
21
54pin
100
34
36
35
37
32pin
10k
20k
VREF
20
54pin
54pin
60k
24
26
50pin
50pin
10k
21
50pin
50pin
10k
53
50pin
50pin
100




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