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參數(shù)資料
| 型號： | BD7902CFS |
| 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)： | 2/18頁 |
| 文件大?。?/td> | 200K |
| 代理商： | BD7902CFS |
BD7902CFS
Optical disc ICs
!
Absolute maximum ratings
(Ta=25
°
C)
2/17
Parameter
Symbol
Unit
POWER MOS
power suuply voltage
Preblock/BTL powerblock
power supply voltage
PWM control block
power supply voltage
Power dissipation
Operating temperature range
Storage temperature
SPVM1,2,SLRNF1,2
V
CC
,SLVDD,AVM
DV
CC
Pd
Topr
Tstg
Limits
55~
+
150
15
1
15
7
2.6
2
35~
+
85
V
V
V
W
°
C
°
C
1 POWER MOS output terminals (9, 11, 18, 34~37pin) is contained.
2 PCB (70mm
×
70mm
×
1.6mm glass epoxy) mounting.
Reduced by 20.8mW for each increase in Ta of 1
°
C over 25
°
C.
!
Recommended operating conditions
(Ta=25
°
C)
(Set the power supply voltage taking allowable dissipation into considering)
Parameter
Symbol
Max.
Typ.
Min.
Unit
POWER MOS Power supply voltage 1
POWER MOS Power supply voltage 2
SPVM1, 2
SLRNF1, 2
V
CC
3
SLVDD
3
V
V
Preblock Power supply voltage
Power block Power supply voltage
SLVDD, V
CC
V
CC
AVM
14
12
AVM
5.0
4.3
V
V
PWM control block Power supply voltage
Spindle output current
DV
CC
2.5
4
Iosp
6.0
5.0
4.3
1.2
V
A
SL/FO/TR/LO output current
0.8
Ioo
0.5
A
3 Set the same supply voltage to V
CC
and SPVM1, 2 to SLVDD and SLRNF1, 2.
4 The current is guaranteed 3.0A in case of the current is turned on/off in a duty-ratio of
less than 1/10 with a maximum on-time of 5msec.
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