參數(shù)資料
型號: FAN8008
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 光電元器件
英文描述: 6-Channel Motor Drive IC
中文描述: CD MOTOR DRIVER, PQFP52
封裝: 14 X 14 MM, HEAT SINK, QFP-48
文件頁數(shù): 14/24頁
文件大?。?/td> 360K
代理商: FAN8008
FAN8008
14
Rev. 1.0.1
February. 2000.
4. Regulator & Reset Function
The regulator and reset circuits are as illustrated in Figure 1.
where R1=R2.
The external circuit is composed of the transistor, KSB772 and a capacitor, about 33[
μ
F]. The capacitor is used as a ripple
eliminator and should have good temperature characteristics.
The regulator output voltage (pin 46) is decided as follows.
Vout = 2
×
1.65= 3.3[V] (where R1 = R2)
When the voltage of pin 43 (Vreset) is at 3.3[V], the regulator output voltage (pin 46) because 3.3[V]. If the voltage
of pin 43 is 0[V], the output voltage of pin 46 because 0[V].
Figure 1. Regulator circuit
+
39
43
44
46
47
KSB772
REG OUT
V
CC
33
μ
F
2.5V
R1
R2
Vreset
+
FAN8008
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