參數(shù)資料
型號(hào)： Si9990ACS
廠商： Vishay Intertechnology,Inc.
英文描述： 5-V VCM Driver/Spindle Motor Driver For 1.8- and 2.5-Hard Disk Drives(用于1.8V和2.5V的硬盤驅(qū)動(dòng)的5V語音線圈電機(jī)驅(qū)動(dòng)器/心軸電機(jī)驅(qū)動(dòng)器)
中文描述： 5V的氯乙烯驅(qū)動(dòng)器/主軸電機(jī)驅(qū)動(dòng)器1.8和2.5硬盤驅(qū)動(dòng)器（用于1.8伏和2.5伏的硬盤驅(qū)動(dòng)的5V的語音線圈電機(jī)驅(qū)動(dòng)器/心軸電機(jī)驅(qū)動(dòng)器）
文件頁數(shù)： 3/11頁
文件大小： 345K
代理商： SI9990ACS
Si9990ACS
Vishay Siliconix
FaxBack 408-970-5600, request 70655
www.siliconix.com
S-60752—Rev. C, 05-Apr-99
3
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to Common Pin
V
DD
Supply Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 V to 7 V
Pin (Output A, B and C) . . . . . . . . . . . . . . . .-0.3 V to V
CLAMP
+ 0.3 V
Pin (Output + and -) . . . . . . . . . . . . . . . . . . . . . . -0.3 to V
MOT
+ 0.3 V
Pin (CHS, CP1H, CP2H) . . . . . . . . . . . . . . . . . . . . . . . .-0.3 V to 16 V
Maximum Output Current
a
Output A, B and C (Peak). . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 A
Output A, B, and C (Continuous) . . . . . . . . . . . . . . . . . . . . . . 0.4 A
Output + and - (Peak) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 A
Output + and - (Continuous). . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 A
Pin (All Others) . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 V to V
DD
+ 0.3 V
Maximum Clamp Current
b
Output A, B and C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±1.2 A
Output + and -. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±0.5 A
(Pulsed 10 ms at 10% duty cycle)
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
V
MOT
to V
CLAMP
Diode (Peak) . . . . . . . . . . . . . . . . . . . . . . .100 mA
V
MOT
to V
CLAMP
Diode (Continuous) . . . . . . . . . . . . . . . . . . .50 mA
V
MOT
to CHS Diode (Peak) . . . . . . . . . . . . . . . . . . . . . . . . . .50 mA
V
MOT
to CHS Diode (Continuous) . . . . . . . . . . . . . . . . . . . . .25 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . .-65 to 150
°
C
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 70
°
C
Junction Temperature (T
J
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
°
C
Power Dissipation
c
— 64-Pin SQFP . . . . . . . . . . . . . . . . . . . . . 2.0 W
Thermal Impedance (
Θ
JA
)
c
— 64-Pin SQFP . . . . . . . . . . . . 62.5
°
C/W
Notes
a. Output current rating is dependent on the system duty cycle, start-
up timing and heat dissipation capability.
b. Diode currents depend on power supply start-up transient and
bypass capacitor values.
c. Device mounted with all leads soldered or welded to PC board.
SPECIFICATIONS
Parameters
Symbol
Test Conditions Unless
Specified
V
ADIN
= V
DD
= V
MOT
= 5 V
±
10%
R
R
SPIN
= 17 k
, T
A
= 0 to 70
°
C
Limits
Unit
Min
Typ
Max
Supply
Supply Current
I
DD +
I
MOT
Static, No Load, Sleep Mode
0.9
1.2
mA
Static, No Load, Normal Operation
20
41
Static, No Load, Idle Mode
14
19
V
DD
, V
MOT
Operating Range
V
DD
,
V
MOT
4.5
5
5.5
V
Control Logic
Low Input Voltage
(G/S, DATA, CLK, CS, P
U
, P
D
)
High Input Voltage
V
IL
-0.3
1.5
V
V
IH
I
IL
I
IH
I
PD
V
OL
V
OH
3.5
5.3
Low Input Current
V
IN
= 0 V
V
IH
= 5 V
V
IN
= 5 V
I
OUT
= 500 μA
I
OUT
= -500 μA
V
OUT
= 2.5 V
-1
μA
High Input Current
1
Mode Pin Pull Down Current
100
Low Output Voltage (F
COM
, FAULT, P
OUT
)
High Output Voltage
0.5
V
4
P
OUT
Off-State Leakage Current
EMF Comparator Offset
-1
1
μA
V
OS
20
40
70
mV
Maximum EMF Comparator Input
Common Mode Voltage
4.3
V
CST Current
I
CST
Charging or Discharging
5
μA
CD Current (CD1 or CD2)
I
CST1
or
I
CST2
Charging
10
Discharging
-20
I
CD
(Discharging)/I
CD
(Charging)
C
D1
or C
D2
Charging
2.0
CWD Current
I
CWD
5
μA
Discharging
-25
CWD Threshold Voltage
V
TL
V
TH
0.5
V
2.50
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