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ST1S09APUR

更新时间： 2024-11-23 09:03:11
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
18页 384K
描述
2 A, 1.5 MHz PWM step-down switching regulator with synchronous rectification

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中文翻译

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ST1S09APUR 技术参数

生命周期：Active零件包装代码：DFN
包装说明：3 X 3 MM, ROHS COMPLIANT, DFN-6针数：6
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.72
Is Samacsys：N模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：6 V最小输入电压：2.7 V
标称输入电压：5 VJESD-30 代码：S-PDSO-N6
长度：3 mm功能数量：1
端子数量：6最大输出电流：3.5 A
封装主体材料：PLASTIC/EPOXY封装代码：HVSON
封装等效代码：SOLCC6,.11,37封装形状：SQUARE
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE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：1800 kHz端子形式：NO LEAD
端子节距：0.95 mm端子位置：DUAL
宽度：3 mmBase Number Matches：1

ST1S09APUR 数据手册

 浏览型号ST1S09APUR的Datasheet PDF文件第2页浏览型号ST1S09APUR的Datasheet PDF文件第3页浏览型号ST1S09APUR的Datasheet PDF文件第4页浏览型号ST1S09APUR的Datasheet PDF文件第5页浏览型号ST1S09APUR的Datasheet PDF文件第6页浏览型号ST1S09APUR的Datasheet PDF文件第7页 
ST1S09  
2 A, 1.5 MHz PWM step-down switching regulator  
with synchronous rectification  
Features  
■ 1.5 MHz fixed frequency PWM with current  
control mode  
■ 2 A output current capability  
■ Typical efficiency: > 90%  
■ 2 % DC output voltage tolerance  
■ Two versions available: power good or inhibit  
■ Integrated output over-voltage protection  
DFN6 (3 x 3 mm)  
■ Non switching quiescent current: (typ) 1.5 mA  
over temperature range  
■ R  
(typ) 100 mΩ  
DSON  
Moreover, since the required synchronous  
rectifier is integrated, the number of the external  
components is reduced to minimum: a resistor  
divider, an inductor and two capacitors. The  
Power Good function continuously monitors the  
output voltage. An open drain Power Good flag is  
released when the output voltage is within  
regulation. In addition, a low output ripple is  
guaranteed by the current mode PWM topology  
and by the use of low ESR SMD ceramic  
■ Utilizes tiny capacitors and inductors  
■ Operating junction temp. -30 °C to 125 °C  
■ Available in DFN6 (3 x 3 mm) exposed pad  
Description  
The ST1S09 is a step-down DC-DC converter  
optimized for powering low output voltage  
applications. It supplies a current in excess of 2 A  
over an input voltage range from 2.7 V to 6 V.  
capacitors. The device is thermally protected and  
the output current limited to prevent damages due  
to accidental short circuit. The ST1S09 is  
available in the DFN6 (3 x 3 mm) package.  
A high PWM switching frequency (1.5 MHz)  
allows the use of tiny surface-mount components.  
Table 1.  
Device summary  
Order codes  
Package  
ST1S09PUR  
ST1S09APUR (1)  
ST1S09IPUR  
DFN6D (3 x 3 mm)  
DFN6D (3 x 3 mm)  
DFN6D (3 x 3 mm)  
1. Available on request.  
April 2010  
Doc ID 13632 Rev 4  
1/18  
www.st.com  
18  
1234567...18

中文翻译

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