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ST1S09 PDF预览

ST1S09

更新时间: 2024-02-29 23:40:00
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
18页 417K
描述
2A, 1.5 MHz PWM step-down switching regulator with synchronous rectification

ST1S09 技术参数

是否Rohs认证:符合生命周期:Active
零件包装代码:DFN包装说明:3 X 3 MM, ROHS COMPLIANT, DFN-6
针数:6Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:12 weeks风险等级:1.67
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
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: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:1800 kHz
端子面层:Matte Tin (Sn) - annealed端子形式:NO LEAD
端子节距:0.95 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
Base Number Matches:1

ST1S09 数据手册

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ST1S09  
2A, 1.5 MHz PWM step-down switching regulator  
with synchronous rectification  
Features  
1.5MHz fixed frequency PWM with current  
control mode  
2A output current capability  
Typical efficiency: > 90%  
2% DC output voltage tolerance  
Two versions available: Power Good or Inhibit  
Integrated output over-voltage protection  
DFN6 (3x3mm)  
Non switching quiescent current: (typ) 1.5mA  
over temperature range  
R  
(typ) 100mΩ  
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 E.S.R. SMD ceramic  
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 3x3mm package.  
Utilizes tiny capacitors and inductors  
Operating junction temp. -30°C to 125°C  
Available in DFN6 3x3mm 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 2A  
over an input voltage range from 2.7V to 6V.  
A high PWM switching frequency (1.5MHz) allows  
the use of tiny surface-mount components.  
Table 1.  
Devices summary  
Order codes  
Packaging  
Package  
ST1S09PU  
ST1S09APU (1)  
ST1S09IPU  
ST1S09PUR  
ST1S09APUR  
ST1S09IPUR  
DFN6D (3x3 mm)  
DFN6D (3x3 mm)  
DFN6D (3x3 mm)  
1. Available on request.  
July 2007  
Rev. 2  
1/18  
www.st.com  
18  

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