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DPA423G PDF预览

DPA423G

更新时间: 2024-02-29 23:45:27
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT 转换器电信开关光电二极管以太网
页数 文件大小 规格书
34页 2832K
描述
Highly Integrated DC-DC Converter ICs for Power over Ethernet & Telecom Applications

DPA423G 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:SFM
包装说明:PLASTIC, MO-169-7C, 6 PIN针数:6
Reach Compliance Code:compliant风险等级:5.19
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:75 V
最小输入电压:16 V标称输入电压:40 V
JESD-30 代码:R-PSSO-G6JESD-609代码:e0
长度:9.4 mm功能数量:1
端子数量:6最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:1.75 A
封装主体材料:PLASTIC/EPOXY封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:2.054 mm
表面贴装:YES切换器配置:SINGLE
最大切换频率:425 kHz技术:CMOS
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:8 mmBase Number Matches:1

DPA423G 数据手册

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DPA422-426  
Section List  
Functional Block Diagram ....................................................................................................................................... 3  
Pin Functional Description ...................................................................................................................................... 3  
DPA-Switch Family Functional Description ............................................................................................................ 4  
CONTROL (C) Pin Operation.................................................................................................................................... 4  
Oscillator and Switching Frequency.......................................................................................................................... 5  
Pulse Width Modulator & Maximum Duty Cycle........................................................................................................ 5  
Minimum Duty Cycle and Cycle Skipping ................................................................................................................. 6  
Error Amplifier .......................................................................................................................................................... 6  
On-chip Current Limit with External Programmability................................................................................................ 6  
Line Undervoltage Detection (UV)............................................................................................................................. 6  
Line Overvoltage Shutdown (OV).............................................................................................................................. 6  
Line Feed-Forward with DCMAX Reduction ................................................................................................................ 6  
Remote ON/OFF...................................................................................................................................................... 7  
Synchronization........................................................................................................................................................ 7  
Soft-Start................................................................................................................................................................. 8  
Shutdown/Auto-Restart ........................................................................................................................................... 8  
Hysteretic Over-Temperature Protection................................................................................................................... 8  
Bandgap Reference ................................................................................................................................................. 8  
High-Voltage Bias Current Source............................................................................................................................ 8  
Using Feature Pins ..................................................................................................................................................... 8  
FREQUENCY (F) Pin Operation ................................................................................................................................ 8  
LINE-SENSE (L) Pin Operation ................................................................................................................................. 9  
EXTERNAL CURRENT LIMIT (X) Pin Operation......................................................................................................... 9  
Typical Uses of FREQUENCY (F) Pin ...................................................................................................................... 11  
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins ....................................................... 11  
Application Examples .............................................................................................................................................. 14  
Key Application Considerations .............................................................................................................................. 16  
DPA-Switch Design Considerations........................................................................................................................ 16  
DPA-Switch Layout Considerations........................................................................................................................ 18  
Quick Design Checklist .......................................................................................................................................... 19  
Design Tools .......................................................................................................................................................... 20  
Product Specifications and Test Conditions .......................................................................................................... 21  
Typical Performance Characteristics .................................................................................................................. 27  
Part Ordering Information ....................................................................................................................................... 30  
Package Outlines .................................................................................................................................................... 31  
2
Rev. T 12/12  
www.powerint.com  

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