參數(shù)資料
型號： SI9993CS
廠商： Vishay Intertechnology,Inc.
英文描述： 12-V VCM/Spindle Motor Driver for Large Capacity HDD
中文描述： 12 V的氯乙烯/主軸電機(jī)驅(qū)動器的大容量硬盤
文件頁數(shù)： 3/16頁
文件大?。?/td> 419K
代理商： SI9993CS
Si9993CS
Vishay Siliconix
FaxBack 408-970-5600, request 70653
www.siliconix.com
S-60752–Rev. A, 05-Apr-99
3
ABSOLUTE MAXIMUM RATINGS (T
A
= 25°C)*
Voltage Referenced to GND Pin
V
DD
Supply Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to 7 V
V
CLAMP
Supply Range. . . . . . . . . . . . . . . . . . . . . . . . . .> (V
- 0.3 V
and > (V
DD
- 0.3 V) to 14 V
V
CC
, V
MOT
Supply Range . . . . . . . . . . . . . . . . . . . . . . . . .-0.3 to 14 V
AGND, DGND, PWRGND to GND . . . . . . . . . . . . . . . . . . -0.3 to 0.3 V
SENA, SENB, SENC, CT, VCM+, VCM-Pin . . . . .-1.0 to V
CC
+ 1.0 V
POR, FCOM, STEPCLK, ENCOM, SYSCLK, PWMIN,
PWMOUT, RESETVCM, IPCLK, IPDATA
and IPENABLE pins . . . . . . . . . . . . . . . . . . . . . . .-0.3 to V
DD
+ 0.3 V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to V
CC
+ 0.3 V
Maximum Current (All Input Pins) . . . . . . . . . . . . . . . . . . . . . .
±20 mA
Storage Temperature (T
stg
). . . . . . . . . . . . . . . . . . . . . . . -65 to 150
°
C
Operating Temperature (T
A
) . . . . . . . . . . . . . . . . . . . . . . . . .0 to 70
°
C
Junction Temperature (T
J
). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
°
C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W
Thermal Impedance (
Θ
JA
). . . . . . . . . . . . . . . . . . . . . . . . . . 6.25
°
C/W
* Exposure to Absolute Maximum rating conditions for extended periods may affect device reliability. Stresses above Absolute Maximum rating may cause
permanent damage. Functional operation at conditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be
applied at any one time. Device mounted on one-inch square FR4 Board.
SPECIFICATIONS
Operating Conditions:
V
CC
= V
= 12 V ±10%, V
= 5 V ±10%, V
= V
, RSS = RSV = 0.2
±1%,
R
SRADJ
= 20 k
±1%, Si9942-Si9430 LITTLE FOOT Driver, F
SYSCLK
= 5 MHz, T
A
= 0 to 70°C
Parameter
Symbol
Specific Test Conditions
Limits
Unit
Min
a
Typ
b
Max
a
Power Supply
Supply Current
I
DD
Normal Operation, Serial Port Idle
0.2
1.2
mA
D7D6(REG0/5) = 00, All Clocks Disabled
0.02
0.1
I
CC
+ I
MOT
+
I
CLAMP
Normal Operation
No Load at V
REF(OUT)
With VCM Load
40
65
Without VCM Load
25
40
D7D6(REG0/5) = 00, All Clocks Disabled
4
6
Control Logic
Low Input Current
I
IL
I
IH
V
IN
= 0 V
V
IN
= V
DD
-1
μA
High Input Current
1
Low Input Voltage
(All Digital Inputs)
V
IL
0.8
V
High Input Voltage
(All Digital Inputs)
V
IH
2.0
Low Output Voltage (POR)
V
OL
V
OH
I
OUT
= 4 mA
I
OUT
= -4 mA
0.4
High Output Voltage (POR)
4.1
Low Output Voltage
(FCOM, PWMOUT)
V
OL
I
OUT
= 2 mA
0.4
High Output Voltage
(FCOM, PWMOUT)
V
OH
I
OUT
= -2 mA
4.1
IPDATA Setup Time to Rising
IPCLK Edge
t
1
See Timing Diagram, Figures 1 and 2.
15
ns
Rising IPCLK Edge to IPDATA
Hold Time
t
2
15
IPDATA Clock Cycle Time
t
3
100
IPDATA Hold for IPDATA Driver
Turnaround
t
4
70
IPCLK High and Low Time
t
5
45
IPDATA Propagation Delay
WRT IPCLK Falling Edge
t
6
100
IPENABLE Setup Time WRT
IPCLK Rising Edge
t
7
100
IPENABLE Hold Time WRT
IPCLK Rising Edge
t
8
20
WRT IPCLK Falling Edge to
Data Tri-State
t
9
See Timing Diagram, Figures 1 and 2.
10
ns
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