參數(shù)資料
型號(hào)： PS2605
廠商： NEC Corp.
英文描述： Optocoupler Applications
中文描述： 光耦應(yīng)用
文件頁(yè)數(shù)： 35/38頁(yè)
文件大?。?/td> 223K
代理商： PS2605
34
DIRECT INPUT OF 100 Vac
Figure 3 shows the circuit diagram when 100 Vac power is directly input to an AC input compatible optocoupler via a current limit
resistor. The relationship between input and output signals is as shown in Figure 4.
+
0
_
+
0
LED 1
LED 2
LED 1
LED 2
LED 1
LED 2
Deviation due to
the differences in
light emission and
coupling efficiencies
of LEDs
Input signal
AC 100 V
LED light
emission
output
Output signal
Graph 1 Upper: 100 Vac Input Signal 100 V/DIV
Lower: Output Signal 1 V/DIV
As described above, when an AC input compatible optocoupler is used, an AC input signal can be extracted as a full-wave
rectified output signal. The output signal is smoothed by inserting a capacitor in the last stage of the circuit of a phototransistor if
necessary.
In the one-direction input optocoupler (PS2501 series), when an AC signal is to be input, it must be full-or half-wave rectified by a
diode bridge or CR circuit. On the other hand, the AC input compatible optocoupler permits direct input of an AC signal. This
enables simpler configuration, space saving, and reduced design cost.
The next section demonstrates three examples of applications.
Figure 4. Input/Output Signal
(LED2) (LED1)
PS2505-1
11 k
AC 100 V
100
Output signal
V
CC
= 10 V
Figure 3. 100 Vac Direct Input Circuit
相關(guān)PDF資料
PDF描述
PS2605L Optocoupler Applications
PS2606 Optocoupler Applications
PS2606L Optocoupler Applications
PS2607 Optocoupler Applications
PS2607L Optocoupler Applications
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PS2605L 制造商:NEC 制造商全稱(chēng):NEC 功能描述:Optocoupler Applications
PS2606 制造商:NEC 制造商全稱(chēng):NEC 功能描述:Optocoupler Applications
PS2606L 制造商:NEC 制造商全稱(chēng):NEC 功能描述:Optocoupler Applications
PS2607 制造商:California Eastern Laboratories (CEL) 功能描述:6pin DIP,Darlington Tr, AC, Base, Coupler
PS2607L 功能描述:晶體管輸出光電耦合器 DISC BY CEL 4/01 SO-6 PHOTOCOUPLER RoHS:否 制造商:Vishay Semiconductors 輸入類(lèi)型:DC 最大集電極/發(fā)射極電壓:70 V 最大集電極/發(fā)射極飽和電壓:0.4 V 絕緣電壓:5300 Vrms 電流傳遞比:100 % to 200 % 最大正向二極管電壓:1.65 V 最大輸入二極管電流:60 mA 最大集電極電流:100 mA 最大功率耗散:100 mW 最大工作溫度:+ 110 C 最小工作溫度:- 55 C 封裝 / 箱體:DIP-4 封裝:Bulk
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