參數(shù)資料
型號(hào): KA3016D
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 光電元器件
英文描述: SPINDLE MOTOR DRIVER
中文描述: CD MOTOR DRIVER, PDSO28
封裝: 0.375 INCH, HSSOP-28
文件頁(yè)數(shù): 6/18頁(yè)
文件大?。?/td> 522K
代理商: KA3016D
KA3016D
CD-ROM PRODUCTS
6
MIC-99D001
January 1999
ELECTRICAL CHARATERISTICS (Continued)
(Unless otherwise specified, Ta=25
°
C, V
CC
=5V, V
M
=12V)
CALCUALTION OF GAIN & TORQUE LIMIT CURRENT
0.255 which is made from GM times R1 is fixed value within IC.
Vmax (see above block diagram) is setted to 350mV.
Characteristics
Symbol
Test conditions
Min.
Typ.
Max.
Unit
FG SELECTION
3X frequency selection
V
FG3X
V
FG1X
FGS > 2.5V
2.5
V
CC
1.0
V
1X frequency selection
FGS < 1.0
V
SHORT BRAKE
On voltage range
V
SBON
V
SBOFF
2.5
V
CC
1.0
V
Off voltage range
0
V
EC
ECR
+
Gm
+
+
Absolute
Values
Current / Voltage
Convertor
R1
Vin
+
Driver
VM
Vmax
Max. output current limiting
+
VM
VM
Negative
Feedback loop
I
O
R
S
V
S
+
CS1 (Pin 28)
Output
Current sense
Power
Transistors
Commutation
Distributor
U
V
W
H1
H2
H3
I
O
Gain
R
S
-------------
=
Itl mA
]
R
S
--------------
R
S
]
----------------------
=
=
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