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): 15/43頁
文件大?。?/td> 786K
代理商: KA3120
HDD PRODUCTS
KA3120
15
PRELIMINARY
MIC-99D001
January 1999
ELECTRICAL CHARACTERISTICS (Continued)
(Ta=25
°
C, unless otherwise specified)
Characteristic
Symbol
Test conditions
Min.
Typ.
Max.
Unit
SPINDLE OUTPUT
U phase high duration time
T
UH
T
UM
T
VH
T
VM
T
WH
T
WM
I
ULQU
I
VLQU
I
WLQU
I
ULQL
I
VLQL
I
WLQL
I
OU02
I
OV02
I
OW02
GM
UH
CNTL2=12KHz
300
333
360
μ
s
U phase middle duration time
CNTL2=12KHz
600
666
720
μ
s
V phase high duration time
CNTL2=12KHz
300
333
360
μ
s
V phase middle duration time
CNTL2=12KHz
600
666
720
μ
s
W phase high duration time
CNTL2=12KHz
300
333
360
μ
s
W phase middle duration time
CNTL2=12KHz
600
666
720
μ
s
Leakage current U upper
1
0
1
μ
A
Leakage current V upper
1
0
1
μ
A
Leakage current W upper
1
0
1
μ
A
Leakage current U lower
1
0
1
μ
A
Leakage current V lower
1
0
1
μ
A
Leakage current W lower
1
0
1
μ
A
U sourcing current 0.2V
3.0
4.0
5.0
μ
A
V sourcing current 0.2V
3.0
4.0
5.0
μ
A
W sourcing current 0.2V
3.0
4.0
5.0
μ
A
Transconductance gain U upper
PWMSP=sweep, R
U
,R
V
,R
W
=5
0.8
0.9
1.0
A/V
Transconductance gain U lower
GM
UL
PWMSP=sweep, R
U
,R
V
,R
W
=5
0.8
0.9
1.0
A/V
Transconductance gain V upper
GM
VH
PWMSP=sweep, R
U
,R
V
,R
W
=5
0.8
0.9
1.0
A/V
Transconductance gain V lower
GM
VL
PWMSP=sweep, R
U
,R
V
,R
W
=5
0.8
0.9
1.0
A/V
Transconductance gain W upper
GM
WH
PWMSP=sweep, R
U
,R
V
,R
W
=5
0.8
0.9
1.0
A/V
Transconductance gain W lower
GM
WL
PWMSP=sweep, R
U
,R
V
,R
W
=5
0.8
0.9
1.0
A/V
CCOMP charging current1
I
COMP1
I
COMP2
I
COMP3
PWMSP=0%
20
0
20
μ
A
CCOMP charging current2
PWMSP=50%
200
250
300
μ
A
CCOMP charging current3
PWMSP=100%
400
500
600
μ
A
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