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參數(shù)資料
| 型號： | AN8428GAK |
| 廠商： | PANASONIC CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | For 3.5inch HDD Motor Comb IC |
| 中文描述： | DISK DRIVE MOTOR CONTROLLER, 3 A, PQFP80 |
| 封裝： | 14 X 14 MM, PLASTIC, HQFP-80 |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 170K |
| 代理商： | AN8428GAK |
min
typ
max
［
SPM block
］
Total Output on
Resistance
Voltage Ratio
SPWMFLT/SISENH
0.65
1.1
Ω
Rds(on)
Iout =2.7A
－
4.8
0.026
V
V
Voltage at pin SISENH
for 100% duty cycle
V
100
V
50
0.018
V
5
K
SP
5.1
5.4
V/V
0.33
0.348
0.376
0.18
V
0.160
0.200
2.0
0.0
mV
V
0
－
－
［
VCM block
］
0.87
Vretract Regulation
V
RET2
V
0.55
1.15
Supply OFF
Irtrct2
Irtrct2
VBEMF=2V
VCM=10.5
Ω
130
mA
80
15
Current Ratio between
MSB
／
LSB
31.5
32
32.7
Ratio
Total Resistance
(Source
＋
Sink
＋
Isolation)
1.5
1.0
Ω
R
DSON25
－
Linearity VCM
Drivers
VCMP , VCMN
I
2
I
1
=I
2-
I
0
I
1-
I
0
0.93
1
1.07
0.97
1.0
1.03
Time of Crossover
Distortion
μ
s
2
5
T
CRO
I
2
=I
RVCM
at Duty Cycle =10%
I
1
=I
RVCM
at Duty Cycle=90%
R
S
=0.33,R
1
=10k,R
2
=6.6k,
R
L
=10
Ω
I
2
=I
RVCM
at Duty Cycle =30%
I
1
=I
RVCM
at Duty Cycle=70%
I
0
=I
RVCM
at Duty Cycle=50%
R
S
=0.33,R
1
=10k,R
2
=6.6k,
R
L
=10
Ω
－
mA/mA
Ios
VCM Output Drivers
Offset Current
-28
0
28
mA
V
IPWMH
& V
IPWNL
at 50% Duty Cycle
R
S
=0.33, R
1
=10K,
R
2
=6.6K, R
L
=10
Ω
Input Current of
Shock Sensor Amplifier
I
SHKIN
-1
－
1
-
-
Gmshk
[Shock sensor]
mS
nA
5.9
mA/mA
Ratio
Ramp Input
VCMINP 20
μ
s
Ratio
Symmetry VCM
Drivers
VCMP , VCMN
[3.3 V
Output voltage
Regulation
－
Regulator]
VCC3V3
3.168
3.33
3.49
V
Load Regulation
Δ
V
LDR
33
mV
-
-
I
LOAD
=0
～
4mA
■
Electrical Characteristics
（
Ta=25
℃±
2
℃
unless otherwise specified
）
Conditions
PARAMETER
SYMBOL
unit
Voltage at pin SISENH
for 50% duty cycle
Voltage at pin SISENH
for 5% duty cycle
Voltage at pin SISENH
for 0% duty cycle
Gm of Shock Sensor
Amplifier
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