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參數資料
| 型號： | FAN8742GX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 光電元器件 |
| 英文描述： | Spindle Motor and 6-CH Driver |
| 中文描述： | CD MOTOR DRIVER, PDSO56 |
| 封裝： | SSOP-56 |
| 文件頁數： | 9/23頁 |
| 文件大小： | 541K |
| 代理商： | FAN8742GX |
9
www.fairchildsemi.com
FAN8741/FAN8742 Rev. 1.0.1
F
ELECTRICAL CHARACTERISTICS (Ta = 25
°
c)
(Ta=25
°
C, SVCC1=VDD=PVCC1=VM2=5V,VM1=SVCC2=PVCC2=PVCC3=12V unless otherwise noted)
Parameter
Condition
COMMON PART
* : Design guarantee specification
Min. Typ. Max. Units
Quiescent Circuit Current 1
Mute1=L, Mute2=L
-
1
-
mA
-
1
-
Quiescent Circuit Current 2
Mute1=L, Mute2=H
-
1.5
-
mA
-
9.5
-
Quiescent Circuit Current 3
Mute1=H, Mute2=H
-
4
-
mA
-
13
-
Mute Low Voltage
MUTE=variation
-
-
0.8
V
Mute High Voltage
MUTE=variation
3.0
-
-
V
Mute Input Current
MUTE=5V
-
130
-
μ
A
Charge Pump Voltage 1
I
PUMP
=0mA
I
PUMP
=-1mA
-
19
-
V
Charge Pump Voltage 2
THERMAL SHUTDOWN
-
18
-
V
Operating Temperature*
-
-
150
-
o
C
o
C
Hysteresis Temperature*
SPINDLE DRIVE PART
-
-
25
-
Control Input Deadzone11
SPIN>VREF
20
50
100
mV
Control Input Deadzone12
SPIN<VREF
-100
-50
-20
mV
Control Voltage Input Range
0
-
5
V
Output Gain
G
MSP
=G
VO
/RCS
SP
,
RCS
SP
=0.33
,
G
VO
=1[V/V]
Io=500mA
2.55
3.0
3.45
A/V
Output On Resistance(upper)
-
0.4
-
Output On Resistance(lower)
Io=500mA
-
0.4
-
Output Limit Current
RCS
SP
=0.33
-
1.5
-
A
Hall Amp Common Mode Input Range -
1
-
4
V
Minimum Hall Input Level*
-
50
-
-
mV
Hall Bias Output Voltage
I
HB
=10mA
0.5
1.0
1.5
V
Hall Bias Input Current
-
1
5
μ
A
FG Low Voltage
I
FG
=3mA
I
DIR
=3mA
-
-
0.5
V
DIR Low Voltage
SLED DRIVE PART
-
-
0.5
V
Control Input Deadzone21
SLIN1/SLIN2 > VREF
0
15
30
mV
Control Input Deadzone22
SLIN1/SLIN2 < VREF
-30
-15
0
mV
Output Gain
G
MSL
=G
VO
/RCS
SL
,
RCS
SL
=1
,
G
VO
=1[V/V]
Io=250mA
0.85
1.0
1.15
A/V
Output On Resistance(upper)
-
1.0
-
Output On Resistance(lower)
Io=250mA
-
1.0
-
Output Limit Current
RCS
SL
=1
-
0.5
-
A
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