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L5980TR PDF预览

L5980TR

更新时间: 2024-01-02 23:28:27
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
37页 1141K
描述
0.7A step-down switching regulator

L5980TR 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:QFP包装说明:HVSON, SOLCC8,.11,20
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:16 weeks风险等级:1.57
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:18 V
最小输入电压:2.9 V标称输入电压:12 V
JESD-30 代码:S-PDSO-N8JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:8
最大输出电流:1.6 A封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装等效代码:SOLCC8,.11,20
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:1000 kHz端子面层:Matte Tin (Sn) - annealed
端子形式:NO LEAD端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3 mmBase Number Matches:1

L5980TR 数据手册

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L5980  
0.7A step-down switching regulator  
Features  
„ 0.7A DC output current  
„ 2.9V to 18V input voltage  
„ Output voltage adjustable from 0.6V  
„ 250kHz switching frequency, programmable  
up to 1MHz  
VFQFPN8 3x3  
„ Internal soft-start and inhibit  
„ Low dropout operation: 100% duty cycle  
„ Voltage feed-forward  
Description  
The L5980 is step down switching regulator with  
1A current limited embedded power MOSFET, so  
it is able to deliver in excess of 0.7A DC current to  
the load depending on the application condition.  
„ Zero load current operation  
„ Over current and thermal protection  
„ VQFN3x3-8L package  
The input voltage can range from 2.9V to 18V,  
while the output voltage can be set starting from  
Applications  
0.6V to V . Having a minimum input voltage of  
2.9V, the device is suitable also for 3.3V bus.  
IN  
„ Consumer:  
STB, DVD, DVD recorder, car audio, LCD TV  
and monitors  
Requiring a minimum set of external components,  
the device includes an internal 250kHz switching  
frequency oscillator that can be externally  
adjusted up to 1MHz.  
„ Industrial:  
Chargers, car battery, PLD, PLA, FPGA  
„ Networking: XDSL, modems, DC-DC modules  
The QFN package with exposed pad allows  
„ Computer:  
reducing the R  
60°C/W.  
down to approximately  
thJA  
Optical storage, hard disk drive, printers,  
audio/graphic cards  
Figure 1.  
Application circuit  
October 2007  
Rev 2  
1/37  
www.st.com  
37  

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