參數(shù)資料
型號： KA3120
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 運動控制電子
英文描述： SPINDLE & VOICE COIL MOTOR ONE CHIP DRIVER
中文描述： VOICE COIL MOTOR CONTROLLER, 2 A, PQFP48
封裝： 14 X 14 MM, HEAT SINK, QFP-48
文件頁數(shù)： 17/43頁
文件大?。?/td> 786K
代理商： KA3120
HDD PRODUCTS
KA3120
17
PRELIMINARY
MIC-99D001
January 1999
ELECTRICAL CHARACTERISTICS (Continued)
(Ta=25
°
C, unless otherwise specified)
Characteristic
Symbol
Test conditions
Min.
Typ.
Max.
Unit
SPINDLE MCLOCK
High threshold voltage
V
MH
V
ML
I
MH
I
ML
2.0
1.4
V
Low threshold voltage
1.4
0.8
V
High input current
15
25
35
μ
A
High input current
10
0
10
μ
A
VCM PWM CONTROL
High PWMH input current
I
PWMH1
I
PWMH2
I
PWML1
I
PWM2
V
PWMH1
V
PWMH2
V
PWML1
V
PWM2
V
CFVC1
V
CFVC2
V
CFVC3
V
CFVC4
V
CFVC5
V
CFVC6
V
CFVC7
V
CFVC8
V
CFVC9
R
PWM
I
VPWM
I
VPWM
PWMH=100%
100
113
130
μ
A
Low PWMH input current
PWMH=0%
130
113
100
μ
A
High PWML input current
PWML=100%
100
113
130
μ
A
Low PWML input current
PWML=0%
130
113
100
μ
A
PWMH high level input voltage
3.0
V
PWMH low level input voltage
2.0
V
PWML high level input voltage
3.0
V
PWML low level input voltage
130
113
100
V
CFVCM voltage1
PWMH=100%,PWML=100%
5.90
6.06
6.30
V
CFVCM voltage2
PWMH=100%,PWML=50%
5.80
6.00
6.20
V
CFVCM voltage3
PWMH=100%,PWML=0%
5.70
5.94
6.10
V
CFVCM voltage4
PWMH=50%,PWML=100%
3.90
4.06
4.30
V
CFVCM voltage5
PWMH=50%,PWML=50%
3.80
4.00
4.20
V
CFVCM voltage6
PWMH=50%,PWML=0%
3.70
3.94
4.10
V
CFVCM voltage7
PWMH=0%,PWML=100%
1.90
2.06
2.40
V
CFVCM voltage8
PWMH=0%,PWML=50%
1.80
2.00
2.30
V
CFVCM voltage9
PWMH=0%,PWML=0%
1.70
1.94
2.20
V
PWM current ratio (VCM)
30
32
34
PWMH current variation
0.8
1.0
1.2
mA
PWML current variation
27
32.3
36
μ
A
VCM PWM FILTER
Maximum phase shift
Φ
Measure at 500HZ,
CFVCM=10nF
2
deg
Filter cut-off frequency
F
CO
α
FILTER
100
μ
A
Filter attenuation at 1MHz
70
dB
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