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MP28255EL-LF-Z PDF预览

MP28255EL-LF-Z

更新时间: 2024-01-01 20:05:05
品牌 Logo 应用领域
芯源 - MPS 开关光电二极管输出元件
页数 文件大小 规格书
14页 454K
描述
Switching Regulator, Current-mode, 4A, 575kHz Switching Freq-Max, PDSO14, QFN-14

MP28255EL-LF-Z 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:SON
包装说明:HVSON, SOLCC14,.12,20针数:14
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:8 weeks
风险等级:5.2其他特性:OUTPUT ADJUSTABLE DOWN TO 0.8V
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:21 V
最小输入电压:4.5 V标称输入电压:12 V
JESD-30 代码:R-PDSO-N14JESD-609代码:e3
长度:4 mm湿度敏感等级:1
功能数量:1端子数量:14
最高工作温度:85 °C最低工作温度:-20 °C
最大输出电流:4 A封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装等效代码:SOLCC14,.12,20
封装形状:RECTANGULAR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:575 kHz温度等级:OTHER
端子面层:Matte Tin (Sn)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:40宽度:3 mm
Base Number Matches:1

MP28255EL-LF-Z 数据手册

 浏览型号MP28255EL-LF-Z的Datasheet PDF文件第2页浏览型号MP28255EL-LF-Z的Datasheet PDF文件第3页浏览型号MP28255EL-LF-Z的Datasheet PDF文件第4页浏览型号MP28255EL-LF-Z的Datasheet PDF文件第5页浏览型号MP28255EL-LF-Z的Datasheet PDF文件第6页浏览型号MP28255EL-LF-Z的Datasheet PDF文件第7页 
MP28255  
21V, 4A, 500kHz  
Synchronous Step-down Converter  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP28255 is a high frequency synchronous  
rectified step-down switch mode converter with  
built in internal power MOSFETs. It offers a  
very compact solution to achieve 4A continuous  
output current over a wide input supply range  
with excellent load and line regulation. The  
MP28255 operates at high efficiency over a  
wide output current load range.  
Wide 4.5V to 21V Operating Input Range  
4A Output Current  
Low RDS(ON) Internal Power MOSFETs  
Proprietary Switching Loss Reduction  
Technique  
Fixed 500kHz Switching Frequency  
External Soft-Start  
Sync from 300kHz to 2MHz External Clock  
Internal Compensation  
Integrated Bootstrap Diode  
Over-Current Protection and Hiccup  
Thermal Shutdown  
Output Adjustable from 0.8V  
Available in 14-pin QFN3x4 Package  
Current mode operation provides fast transient  
response and eases loop stabilization.  
Full protection features include OCP and thermal  
shut down.  
The MP28255 requires a minimum number of  
readily available standard external components  
and is available in a space saving 3mm x 4mm  
14-pin QFN package.  
APPLICATIONS  
Networking Systems  
Digital Set Top Boxes  
Personal Video Recorders  
Flat Panel Television and Monitors  
Distributed Power Systems  
For MPS green status, please visit MPS website under Quality Assurance.  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
The information in this datasheet about the product and its associated  
technologies are proprietary and intellectual property of Monolithic Power  
Systems and are protected by copyright and pending patent applications  
TYPICAL APPLICATION  
4.5V-21V  
1
6
VIN  
IN  
BST  
SW  
C1  
22uF  
C4  
0.1uF  
L1  
2uH  
9
2,3,4,5  
PG  
PG  
1.2V/4A  
R3  
100K  
MP28255  
R1  
11  
VCC  
4.99K  
Rt  
24K  
C3  
0.1uF  
C2  
47uF  
8
FB  
SS  
C5  
47nF  
7
R2  
10K  
10  
ON/OFF  
EN/SYNC  
AGND  
14  
GND  
12,13  
MP28255 Rev. 1.02  
9/16/2014  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2014 MPS. All Rights Reserved.  
1

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