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ST1S14PHR PDF预览

ST1S14PHR

更新时间: 2024-11-24 01:17:23
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 开关光电二极管
页数 文件大小 规格书
46页 2480K
描述
Up to 3 A step-down switching regulator

ST1S14PHR 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:HSOP, SOP8,.25Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:11 weeks风险等级:1.78
Samacsys Description:STMICROELECTRONICS - ST1S14PHR - DC-DC Switching Buck Step Down Regulator, Adjustable, 5.5V-48V in, 3A out, 1MHz, HSOP-8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:48 V最小输入电压:5.5 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm湿度敏感等级:1
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
最大输出电流:5.2 A封装主体材料:PLASTIC/EPOXY
封装代码:HSOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG
认证状态:Not Qualified座面最大高度:1.75 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
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宽度:3.9 mm

ST1S14PHR 数据手册

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ST1S14  
Up to 3 A step-down switching regulator  
Datasheet - production data  
Applications  
Factory automation  
Printers  
DC-DC modules  
High current LED drivers  
+623ꢀꢁꢂꢁH[SRVHGꢁSDG  
Description  
Features  
The ST1S14 is a step-down monolithic power  
switching regulator able to deliver up to 3 A DC  
current to the load depending on the application  
conditions. The high current level is also achieved  
thanks to a HSOP8 package with exposed frame,  
3 A DC output current  
Operating input voltage from 5.5 V to 48 V  
850 kHz internally fixed switching frequency  
Internal soft-start  
that allows to reduce the R  
down to  
th(JA)  
Power good open collector output  
Current mode architecture  
approximately 40 °C/W. The output voltage can  
be set from 1.22 V. The device uses an internal N-  
channel DMOS transistor (with a typical R  
of  
Embedded compensation network  
Zero load current operation  
DS(on)  
200 mΩ) as the switching element to minimize the  
size of the external components. The internal  
oscillator fixes the switching frequency at 850  
kHz. Power good open collector output validates  
the regulated output voltage as soon as it reaches  
the regulation. Pulse-by-pulse current limit offers  
an effective constant current short-circuit  
Internal current limiting  
Inhibit for zero current consumption  
2 mA maximum quiescent current over  
temperature range  
250 mΩ typ. R  
DS(on)  
protection. Current foldback decreases overstress  
in a persistent short-circuit condition.  
Thermal shutdown  
Figure 1. Application schematic  
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March 2013  
DocID17977 Rev 2  
1/46  
This is information on a product in full production.  
www.st.com  
46  
 

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