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參數(shù)資料
| 型號： | FAN8423DTF |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 1.3 A, PDSO28 |
| 封裝： | 0.375 INCH, HEAT SINK, SSOP-28 |
| 文件頁數(shù)： | 16/18頁 |
| 文件大小： | 283K |
| 代理商： | FAN8423DTF |
FAN8423D (KA3023D); PRELIMINARY
7
Electrical Characteristics (Continued)
Calculation of Gain & Torque Limit Current
0.255 is GM times R1, is a fixed value within IC.
Vmax (see above block diagram) is set at350mV.
EC
ECR
+
Gm
+
Absolute
Values
Current / Voltage
Convertor
R1
Vin
+
Driver
VM
Vmax
Max. output current limiting
+
VM
Negative
Feedback loop
IO
RS
VS
+
CS1 (Pin 28)
Output
Current sense
Power
Transistors
Commutation
Distributor
U
V
W
H1
H2
H3
IO
Gain
0.255
RS
--------------- AV
[]
=
Itl mA
[]
Vmax
RS
----------------
350 mV
[]
RS
------------------------
==
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