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): 19/43頁
文件大?。?/td> 786K
代理商: KA3120
HDD PRODUCTS
KA3120
19
PRELIMINARY
MIC-99D001
January 1999
ELECTRICAL CHARACTERISTICS (Continued)
(Ta=25
°
C, unless otherwise specified)
Characteristic
Symbol
Test conditions
Min.
Typ.
Max.
Unit
VCM AMPLIFIER TOTAL
VCM offset current
I
OSVCM
GM
VH
GM
VL
V
VMS1
V
VMS2
V
VMS3
V
VMS4
V
VMS5
V
VMS6
V
VMS7
V
VMS8
I
VCML1
I
VCML2
PWMH=PWML=50%
duty
–15
0
15
mA
VCM transconductance gain high
Gainsel=0V
0.47
0.50
0.53
A/V
VCM transconductance gain low
Gainsel=5V
0.1
0.125
0.15
A/V
VCM+ saturation voltage lower
Rvcm=15
0.5
V
VCM- saturation voltage upper
Rvcm=15
0.5
V
VCM+ saturation voltage upper
Rvcm=15
0.5
V
VCM- saturation voltage lower
Rvcm=15
0.5
V
VCM+ saturation voltage lower
Rvcm=15
0.5
V
VCM- saturation voltage upper
Rvcm=15
0.5
V
VCM+ saturation voltage upper
Rvcm=15
0.5
V
VCM- saturation voltage lower
Rvcm=15
0.5
V
Leakage current power Amplifier1
10
0
10
μ
A
Leakage current power Amplifier2
10
0
10
μ
A
RETRACT
Min. operating voltage of CRET2
V
CRET2
V
SRC
V
RTSAT
I
RCT1
I
RCT2
I
RCT3
I
CRET
I
LRET1
I
LRET1
CRET2=Sweep
3.0
V
Source voltage
CRET2=5V
0.8
1.0
1.2
V
Sinking saturation voltage
CRET2=5V
0.5
V
Retract sinking current1
Rret=8.0K
40
48.2
60
mV
Retract sinking current2
Rret=4.2K
80
91.8
100
mV
Retract sinking current3
Rret=2.7K
130
143
155
mV
Cret charging current1
90
100
110
μ
A
Retract power Tr. leakage upper
–1
0
1
μ
A
Retract power Tr. leakage lower
–1
0
1
μ
A
THERMAL SHUT DOWN
Operating temperature
TSD
135
150
165
°
C
Thermal hysteresis
T
HYS
20
30
40
°
C
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