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參數(shù)資料
| 型號(hào)： | BH6546KV |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | One chip driver for slim CD-ROM/RW, DVD-ROM |
| 中文描述： | 一個(gè)超薄CD-ROM/RW和DVD - ROM驅(qū)動(dòng)器芯片 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大小： | 124K |
| 代理商： | BH6546KV |
One chip driver for slim CD-ROM/RW, DVD-ROM
BH6546KV
Description
Dimension (Units : mm)
Features
Applications
Absolute Maximum Ratings
(Ta=25C)
VQFP48C
+0.05
-
0.03
+0.05
-
0.04
0
±
1
±
0.145
0.22
9
±
7
±
9.0
±
0.2
7.0
±
0.1
48
37
1
12
13
24
25
36
0.5
±
0.1
1
0
±
0.75
0
1
±
4
+6
-
4
0.08 S
0.08
M
Power MOS supply voltage
Control circuit supply voltage
Maximum output current
Power dissipation
Operating temperature range
Storage temperature range
1 Intermittent current at maximum applied time of 5msec, 1/10 duty (Max.)
2 Derating : 9.5mW/C for operation above Ta=25C
Parameter
Symbol
Limits
Unit
PVcc
Vcc
IoMAX
Pd
Topr
Tstg
6
6
3
1.18
–30
~
+85
–55
~
+150
V
V
A
W
C
C
1
2
CD-ROM, CD-RW, DVD-ROM
BH6546KV is a 4-channel PWM driver that drives
spindle/slide motor, and focus/track actuator coil
of optical disc. In high speed and 180 PWM
driving slim disc, the spindle driver can achieve
low vibration/low noise.
1) Low vibration/low noise by 180 PWM driving
2) Charge-pump circuit is not necessary for output
due to complement power MOSFET.
3) Low power consumption due to low ON resistance
Spindle driver output: 0.5
(Typ.)
Slide/Focus/Tracking driver output: 1.2
(Typ.)
4) 1 phase/3 phase FG output can be switched
by FG switching pin.
5) VQFP48C contributes to make the set smaller and thinner.
On less than 3% (percentage occupied by copper foil), 70mmx70mm, t=1.6mm, glass epoxy mounting.
Power MOS supply voltage
Control circuit supply voltage
Ambient temperature
PVcc
Vcc
Ta
3.0
~
5.5
4.0
~
5.5
–10
~
+70
V
V
C
Recommended Operating Conditions
Parameter
Unit
Limits
Symbol
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