參數(shù)資料
型號: FAN8902
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 運動控制電子
英文描述: DC FAN Motor Controller(風扇直流電機控制器)
中文描述: BRUSH DC MOTOR CONTROLLER, 0.8 A, PDIP14
封裝: 0.300 INCH, DIP-14
文件頁數(shù): 6/14頁
文件大?。?/td> 140K
代理商: FAN8902
FAN8902(KA3902)
6
Application Information
1. UNDER VOLTAGE LOCKOUT (UVLO)
2. CURRENT SENSING CIRCUIT
The peak current, I
M(MAX)
=V
S
/R
S
For example, if a required maximum current, I
M(MAX)
=20[A]
3. THERMAL SHUTDOWN (TSD)
When the chip, temperature rises up to 150
°
C, the thermal shutdown (TSD) circuit is activated and the output driver turn off,
and then turn on again at 125
°
C.
T
H(ST)
T
HYS
8.0V
1.2V
13
Vref &
output driver
FAN8902
I
CC
6mA
1mA
6.8V
8V
V
TH(ST)
PWM
Logic
×
5
Imax=1V
+
Current amplifier
FAN8902
PWM comparator
12
10
M
R5
V
BAT
I
M
R
S
V
S
R
S
20A
--------------
10 m
]
=
=
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