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SA2531 参数 Datasheet PDF下载

SA2531图片预览
型号: SA2531
PDF下载: 下载PDF文件 查看货源
内容描述: 单芯片电话提取功率为外部负载 [SINGLE CHIP TELEPHONE POWER EXTRACTION FOR EXTERNAL LOADS]
分类和应用: 电话
文件页数/大小: 4 页 / 39 K
品牌: SAMES [ SAMES ]
 浏览型号SA2531的Datasheet PDF文件第2页浏览型号SA2531的Datasheet PDF文件第3页浏览型号SA2531的Datasheet PDF文件第4页  
sames
SAN3020
APPLICATION NOTE
SINGLE CHIP TELEPHONE POWER
EXTRACTION FOR EXTERNAL LOADS
1 Scope
This application note describes a simple add-on circuit for extracting current to supply external loads. It also
includes hardware description ,schematic and V
out
/I
out
curves.
2 Key Features
Only few additional low-cost components necessary
Can drive line currents up to I
Line
-5mA (=15mA for 20mA line current)
No influence in AC impedance or DC mask even when load is short circuited
Table of Contents
1 SCOPE.............................................................................................................................................................................................................1
2 KEY FEATURES ..............................................................................................................................................................................................1
6 HARDWARE CONFIGURATION ......................................................................................................................................................................2
7 CIRCUIT DESCRIPTION ..................................................................................................................................................................................2
8 CONNECTING LOADS AT V
........................................................................................................................................................................2
3 Other applicable documents and papers
1. Data Sheet SA2531, SA2532
2. Pin-out comparison SA2531/2
4 Revision status
SAN3020 Application Note (this document)
AN3020 Schematic
Rev. B00
5 General description
Note: all further component references apply to the schematic shown in pt.9 of this application note !
SAN3020
PDS038-SA2531/2-002
Rev. B
21-03-00