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ST1S40PUR PDF预览

ST1S40PUR

更新时间: 2024-11-23 18:22:47
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
14页 219K
描述
6A SWITCHING REGULATOR, 1000kHz SWITCHING FREQ-MAX, PDSO8, 4 X 4 MM, 1.08 MM HEIGHT, ROHS COMPLIANT, VFQFP-8

ST1S40PUR 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:4 X 4 MM, 1.08 MM HEIGHT, ROHS COMPLIANT, VFQFP-8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.73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:18 V最小输入电压:4 V
JESD-30 代码:S-PDSO-N8长度:4 mm
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:6 A封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装等效代码:SOLCC8,.16,32
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):NOT SPECIFIED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温度等级:AUTOMOTIVE
端子形式:NO LEAD端子节距:0.8 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmBase Number Matches:1

ST1S40PUR 数据手册

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ST1S40  
4 A peak step-down switching regulator  
Features  
4 A peak output current  
4.0 V to 18 V input voltage  
Output voltage adjustable from 0.8 V  
850 kHz switching frequency  
Internal soft-start  
SO8  
VFQFPN 4x4  
Integrated 95 mΩ and 69 mΩ Power MOSFETs  
All ceramic capacitor  
Description  
Power Good or enable  
The ST1S40 is an internally compensated 850  
kHz fixed-frequency PWM synchronous step-  
down regulator. ST1S40 operates from 4.0 V to  
18 V input, while it regulates an output voltage as  
Cycle by cycle current limiting  
Current fold back short circuit protection  
VFQFPN4x4-8L, HSOP-8 and SO-8 and  
low as 0.8 V and up to V .  
packages  
IN  
The ST1S40 integrates 95 mΩ high side switch  
and 69 mΩ synchronous rectifier allowing very  
high efficiency with very low output voltages.  
Applications  
μP/ASIC/DSP/FPGA core and I/O supplies  
The peak current mode control with internal  
compensation delivers very compact solution with  
a minimum component count.  
Point of load for: STB, TVs, DVD  
Optical storage, Hard disk drive, Printers,  
Audio/Graphic cards  
The ST1S40 is available in VFQFPN 4mm x 4mm  
8 leads package, HSOP-8 and standard SO-8.  
Figure 1.  
Application circuit  
L 3.3µH  
VOUT (3.3V)  
VIN (12V)  
VINA  
Cin_a  
R1  
ST1S40  
EN/PG  
0.1 – 1 µF  
Cout  
Cin_sw  
R2  
PGND/AGND  
22µF  
10µF  
March 2011  
Doc ID 17928 Rev 2  
1/14  
www.st.com  
14  

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