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): 14/43頁
文件大?。?/td> 786K
代理商: KA3120
KA3120
HDD PRODUCTS
14
PRELIMINARY
MIC-99D001
January 1999
ELECTRICAL CHARACTERISTICS (Continued)
(Ta=25
°
C, unless otherwise specified)
Characteristic
Symbol
Test conditions
Min.
Typ.
Max.
Unit
SPINDLE PWM SOFT SWITCHING
PWM high level input voltage
V
SFMH
V
SFML
I
PFP1
V
SF2
I
PSF2
V
SF1
V
SFD
V
SF3
I
CFSF1
I
CFSF2
3.0
V
PWM low level input voltage
2.0
V
High input current at PWMSF
PWMSF=100% duty
85
100
125
μ
A
CFSF voltage2(100% duty of PWMSF)
PWMSF=100% duty
2.65
2.75
2.85
V
Low input current at PWMSF
PWMSF=0% duty
125
100
85
μ
A
CFSF voltage1(0% duty of PWMSF)
PWMSF=0% duty
2.15
2.25
2.35
V
CFSF voltage amplitude
450
500
550
mV
CFSF voltage3 (50% of PWMSF)
PWMSF=50% duty
2.4
2.5
2.6
V
CFSF charging current
PWMSF=0%, CFSP=2.5V
110
90
70
μ
A
CFSF discharge current
SPMSF=100%, CFSP=2.5V
90
110
130
μ
A
BRAKE
CBrake output voltage
V
BC
V
BH
V
BL
11.0
11.3
11.5
V
Brake output high voltage
(Test only)
V
DD
0.2
V
Brake output low voltage
0
0.5
V
SPINDLE OUTPUT
U saturation voltage_upper5
V
SU5U
R
U
,R
V
,R
W
=5
0.2
0.3
0.5
V
V saturation voltage_upper5
V
SU5V
R
U
,R
V
,R
W
=5
0.2
0.3
0.5
V
W saturation voltage_upper5
V
SU5W
R
U
,R
V
,R
W
=5
0.2
0.3
0.5
V
U saturation voltage_lower5
V
SV5L
R
U
,R
V
,R
W
=5
0.2
0.3
0.5
V
V saturation voltage_lower5
V
SU5L
R
U
,R
V
,R
W
=5
0.2
0.3
0.5
V
W saturation voltage_lower5
V
SU5L
R
U
,R
V
,R
W
=5
0.2
0.3
0.5
V
U output frequency
F
U
F
V
F
W
CNTL2=12KHz
0.9
1
1.1
KHz
V output frequency
CNTL2=12KHz
0.9
1
1.1
KHz
W output frequency
CNTL2=12KHz
0.9
1
1.1
KHz
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