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AT9933LG-G PDF预览

AT9933LG-G

更新时间: 2024-09-15 21:21:51
品牌 Logo 应用领域
美国微芯 - MICROCHIP 开关光电二极管
页数 文件大小 规格书
16页 715K
描述
SWITCHING CONTROLLER, PDSO8

AT9933LG-G 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:SOP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:4 weeks风险等级:1.55
其他特性:ALSO CONFIGURED IN HYSTERETIC CURRENT MODE模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制技术:PULSE WIDTH MODULATION最大输入电压:75 V
最小输入电压:8 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:3
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm表面贴装:YES
切换器配置:SINGLE温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn) - annealed端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:3.9 mm
Base Number Matches:1

AT9933LG-G 数据手册

 浏览型号AT9933LG-G的Datasheet PDF文件第2页浏览型号AT9933LG-G的Datasheet PDF文件第3页浏览型号AT9933LG-G的Datasheet PDF文件第4页浏览型号AT9933LG-G的Datasheet PDF文件第5页浏览型号AT9933LG-G的Datasheet PDF文件第6页浏览型号AT9933LG-G的Datasheet PDF文件第7页 
AT9933  
Hysteretic Boost-Buck (Ćuk) LED Driver IC  
Features  
General Description  
• Constant Current LED Driver  
• Steps Input Voltage Up or Down  
• Low Electromagnetic Interference (EMI)  
• Variable Frequency Operation  
• Internal 75V Linear Regulator  
• Input and Output Current Sensing  
• Input Current Limit  
The AT9933 is a variable frequency PWM controller IC,  
designed to control an LED lamp driver using a  
low-noise boost-buck (Ćuk) topology. It uses  
patent-pending Hysteretic Current-mode control to  
regulate both the input and the output currents. This  
enables superior input surge immunity without the  
necessity for complex loop compensation. Input  
current control enables current limiting during Startup,  
Input Undervoltage and Output Overload conditions.  
The AT9933 provides a low-frequency PWM dimming  
input that can accept an external control signal with a  
duty cycle of 0%–100% and a high dimming ratio.  
• Enable and Pulse-width Modulation (PWM)  
Dimming  
• Ambient Temperature Rating of up to 125°C  
This AT9933-based LED driver is ideal for LED lamps.  
The part is rated for up to 125°C ambient temperatures.  
Applications  
• LED Lighting Applications  
Package Type  
8-lead SOIC  
(Top View)  
VIN 1  
8 REF  
7 CS2  
CS1 2  
GND 3  
6 VDD  
5 PWMD  
GATE 4  
See Table 2-1 for pin information.  
2016 Microchip Technology Inc.  
DS20005597A-page 1  
 

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