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L5985TR PDF预览

L5985TR

更新时间: 2024-01-23 20:38:09
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 稳压器开关
页数 文件大小 规格书
36页 957K
描述
2A step-down switching regulator

L5985TR 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:5.69
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
最大输入电压:18 V最小输入电压:2.9 V
标称输入电压:12 VJESD-30 代码:S-PDSO-N8
JESD-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:2 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 mm

L5985TR 数据手册

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L5985  
2A step-down switching regulator  
Features  
2A DC output current  
2.9V to 18V input voltage  
Output voltage adjustable from 0.6V  
250KHz switching frequency, programmable  
VFQFPN8 3x3  
up to 1MHz  
Internal Soft-start and Inhibit  
Low dropout operation: 100% duty cycle  
Voltage feed-forward  
Description  
The L5985 is a step down switching regulator with  
2.5A current limited embedded power MOSFET,  
so it is able to deliver up to 2A 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  
IN  
2.9V, the device is suitable for buses staring from  
for 3.3V bus.  
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  
1/36  
www.st.com  
1

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