KA3120 查看數據表（PDF） - Fairchild Semiconductor
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KA3120 Datasheet PDF : 43 Pages
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HDD PRODUCTS
PRELIMINARY
KA3120
ELECTRICAL CHARACTERISTICS (Continued)
(Ta=25°C, unless otherwise specified)
Characteristic
SPINDLE OUTPUT
U phase high duration time
U phase middle duration time
V phase high duration time
V phase middle duration time
W phase high duration time
W phase middle duration time
Leakage current U upper
Leakage current V upper
Leakage current W upper
Leakage current U lower
Leakage current V lower
Leakage current W lower
U sourcing current 0.2V
V sourcing current 0.2V
W sourcing current 0.2V
Transconductance gain U upper
Transconductance gain U lower
Transconductance gain V upper
Transconductance gain V lower
Transconductance gain W upper
Transconductance gain W lower
CCOMP charging current1
CCOMP charging current2
CCOMP charging current3
Symbol
Test conditions
Min. Typ. Max. Unit
TUH CNTL2=12KHz
TUM CNTL2=12KHz
TVH CNTL2=12KHz
300 333 360 µs
600 666 720 µs
300 333 360 µs
TVM
TWH
CNTL2=12KHz
CNTL2=12KHz
600 666 720 µs
300 333 360 µs
TWM
IULQU
IVLQU
IWLQU
IULQL
IVLQL
IWLQL
IOU02
IOV02
CNTL2=12KHz
−
−
−
−
−
−
−
−
600 666 720 µs
−1
0
1
µA
−1
0
1
µA
−1
0
1
µA
−1
0
1
µA
−1
0
1
µA
−1
0
1
µA
3.0 4.0 5.0 µA
3.0 4.0 5.0 µA
IOW02
−
3.0 4.0 5.0 µA
GMUH PWMSP=sweep, RU,RV,RW=5Ω 0.8 0.9 1.0 A/V
GMUL PWMSP=sweep, RU,RV,RW=5Ω 0.8 0.9 1.0 A/V
GMVH PWMSP=sweep, RU,RV,RW=5Ω 0.8 0.9 1.0 A/V
GMVL PWMSP=sweep, RU,RV,RW=5Ω 0.8 0.9 1.0 A/V
GMWH PWMSP=sweep, RU,RV,RW=5Ω 0.8 0.9 1.0 A/V
GMWL PWMSP=sweep, RU,RV,RW=5Ω 0.8 0.9 1.0 A/V
ICOMP1 PWMSP=0%
ICOMP2 PWMSP=50%
−20 0
20
µA
−200 −250 −300 µA
ICOMP3 PWMSP=100%
−400 −500 −600 µA
MIC-99D001
15
January 1999
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