參數(shù)資料
型號： PS2607
廠商： NEC Corp.
英文描述： Optocoupler Applications
中文描述： 光耦應(yīng)用
文件頁數(shù)： 21/38頁
文件大?。?/td> 223K
代理商： PS2607
20
GENERAL
Recently, optocouplers have been supplanting relays and pulse transformers for complete noise elimination, level conversion,
and high-potential isolation. Microprocessor systems are requiring more and more optocouplers on the limited area of PC boards
for I/O interface and other purposes. For these requirements, NEC has manufactured multi-channel optocouplers having 4 pins
(for one channel) to 16 pins (for four channels). These multi-channel optocouplers are called the PS2500 series optocouplers.
The PS2500 series optocouplers are divided into PS2501, PS2502, PS2505, and PS2506 according to their functions.
(PS2501L, PS2502L, PS2505L, and PS2506L have leads formed for surface installation.)
This manual describes features, structures, and basic characteristics of the PS2500 series optocouplers.
FEATURES, STRUCTURES, AND PACKAGE DIMENSIONS
Features
The major feature of PS2500 is very high isolation voltage between input and output (substantially two to three times that of the
conventional PS2400 series optocouplers). This can be proved because none of the 1300 test optocouplers were destroyed in a
strict product test (applying 10 kVac to each optocoupler for one minute). The improvement in dielectric strength of the PS2500
optocouplers has been accomplished by the double molding package structure.
In addition to high isolation voltage, the PS2500 optocouplers boast high heat resistance and high moisture resistance. Table 1
lists the major features of the PS2500 series optocouplers.
Features
Product
name
High isolation
Voltage
Abundant I/O functions
High CTR
(TYP)
High V
CEO
(MIN)
Response
(TYP)
PS2501
PS2501L (*)
D.C. input, Single
transistor output
300%
80V
tr = 3
μ
s
tr = 5
μ
s
PS2502
PS2502L (*)
D.C. input, Darlington
pair transistor output
2000%
40V
tr, tf = 100
μ
s
PS2505
PS2505L (*)
A.C. input, single
transistor output
300%
80V
tr = 3
μ
s
tr = 5
μ
s
PS2506
PS2506L (*)
A.C. input, Darlington
pair transistor output
2000%
40V
tr, tf = 100
μ
s
5 kVac
Table 1. Features of PS2500 Optocouplers
Note:
Tested in oil (In the air, unwanted arc discharging will occur at 6 to 7 kVac.)
* The product name followed by letter L is for a product having leads for surface mount.
PS2500-SERIES MULTI-CHANNEL OPTOCOUPLERS
相關(guān)PDF資料
PDF描述
PS2607L Optocoupler Applications
PS2608 Optocoupler Applications
PS2608L Optocoupler Applications
PS2621 Optocoupler Applications
PS2621L Optocoupler Applications
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