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參數(shù)資料
| 型號： | BD7905BFS |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | 6CH Power Driver for CD-ROM, DVD-ROM |
| 中文描述： | 6路功率驅(qū)動器為CD - ROM，DVD - ROM光碟 |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 202K |
| 代理商： | BD7905BFS |
BD7905BFS
Optical disc ICs
!
Table of measure circuit switches position 2
(V
CC
=SPV
M
=SLV
M
=12V, DV
CC
=AV
M
=5V, V
C
=1.65V, RL (SL) =8
+
47
μ
H, RL (SP) =2
+
47
μ
H, RL (ACT, LD) =8
,
SLRNF=0.5
, SPRNF=0.22
, H
=2.5V, HU
+
=2.6V, HV
+
=HW
+
=2.4V)
11/17
VHB
gmSP1
RONUSP
RONLSP
ILIMSP1, 2
fosc
1.65V
1.85
4
4
3.3V
3.3V
3.3V
H
H
H
H
H
H
H
H
H
H
H
H
2
2
2
1
1
1
1
1
1
2
2
1
1
1
1
1
VDZSP1
3
H
H
2
1
1
1
1
1
1
2
2
1
1
1
IHIB
1.65V
H
H
1
1
1
1
Designation
INPUT
VIN
SWITCH
RL SP
CTL
1
2
SL
IL
Measure
point
Conditions
3 Check VRNF with no output at VIN
=
V
Check VRNF with output at VIN
=
V
C
+
40mV
3 Check VRNF with no output at VIN
=
V
Check VRNF with output at VIN
=
V
C
±
120mV
See 10 of 17
IHB
=
10mA
Current flowing in each terminal at H
=
2.5V,
H
+=
2.6V (2.4V)
ILSP
=
500mA
ILSP
=
500mA
RON
=
0.5A
12V
VOSP
RON
=
0.5A
VOSP
Pin 7
FG
VFGL
1.65V
H
H
1
1
1
1
HU
+=
2.6V, HV
+=
2.4V, HW
+=
2.6V
VFGH
1.65V
H
H
1
1
1
1
HU
+=
2.6V, HV
+=
2.4V, HW
+=
2.4V
VFG
VFG
IU
+
(
),
IV
+
(
),
IW
+
(
)
VSPRNF
VDZSP2
3
H
L
2
1
1
1
VSPRNF
VSPRNF
ILIMSP1, 2
3.3V
H
L
2
1
1
1
VSPRNF
VSPRNF
OUTU, V, W
OUTU, V, W
VOSPU
gmSP2
H
L
2
1
1
1
See 10 of 17
VSPRNF
Spindle driver block
Torque command
Hall bias
Hall amplifier
HU
+
HV
+
HW
+
U
V
W
Condition
Measure point
2.4V
2.6V
2.6V
Source
Middle
Sink
VOSPU
IOSPU
=
500mA
2.6V
2.4V
2.6V
Sink
Source
Middle
VOSPV
IOSPV
=
500mA
2.6V
2.6V
2.4V
Middle
Sink
Source
VOSPW
IOSPW
=
500mA
2.6V
2.4V
2.4V
Sink
Middle
Source
VOSPU
IOSPU
=
500mA
2.4V
2.6V
2.4V
Source
Sink
Middle
VOSPV
IOSPV
=
500mA
2.4V
2.4V
2.6V
Middle
Source
Sink
VOSPW
IOSPW
=
500mA
5 Condition of input
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