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FAN8420D3 데이터시트(PDF) 7 Page - Fairchild Semiconductor

부품명 FAN8420D3
상세설명  3-Phase BLDC Motor Driver
PDF  18 Pages
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제조업체  FAIRCHILD [Fairchild Semiconductor]
홈페이지  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN8420D3 데이터시트(HTML) 7 Page - Fairchild Semiconductor

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FAN8420D3
7
Rev. 1.0.1
Oct. 2000.
Electrical Characteristics (Continued)
1. Calculation Of Gain & Torque Limit Current
0.355 is GM times R1 and is a fixed value within IC.
Vmax (see above block diagram) is set at 350mV.
EC
ECR
+
−
Gm
−
+
+
Absolute
Values
Current / Voltage
Convertor
R1
Vin
+
−
Driver
VM
Vmax
Max. output current limiting
+
−
VM
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
0.355
R
S
--------------- AV
⁄
[]
=
Itl
Vmax
R
S
----------------
350 mV
[]
R
S
------------------------
==



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