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MP28258DD-LF-Z PDF预览

MP28258DD-LF-Z

更新时间: 2024-01-22 14:57:38
品牌 Logo 应用领域
芯源 - MPS 开关输出元件
页数 文件大小 规格书
18页 859K
描述
Switching Regulator, Current-mode, 3 X 2 MM, ROHS COMPLIANT, MO-220, QFN-12

MP28258DD-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:QFN
包装说明:HQCCN,针数:12
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:12 weeks
风险等级:5.18其他特性:ADJUSTABLE OUTPUT FROM 0.815 TO 13V
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:20 V
最小输入电压:4.2 V标称输入电压:12 V
JESD-30 代码:R-XQCC-N12JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:12
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HQCCN
封装形状:RECTANGULAR封装形式:CHIP CARRIER, HEAT SINK/SLUG
峰值回流温度(摄氏度):260座面最大高度:1.05 mm
表面贴装:YES切换器配置:BUCK
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:2 mmBase Number Matches:1

MP28258DD-LF-Z 数据手册

 浏览型号MP28258DD-LF-Z的Datasheet PDF文件第2页浏览型号MP28258DD-LF-Z的Datasheet PDF文件第3页浏览型号MP28258DD-LF-Z的Datasheet PDF文件第4页浏览型号MP28258DD-LF-Z的Datasheet PDF文件第5页浏览型号MP28258DD-LF-Z的Datasheet PDF文件第6页浏览型号MP28258DD-LF-Z的Datasheet PDF文件第7页 
MP28258  
High Efficiency, Fast Transient, 3A, 4.2V-20V Input  
Synchronous Step-down Converter  
in QFN12 (2x3mm)  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP28258 is a fully-integrated, high-  
efficiency, synchronous, step-down, switch  
mode converter. It offers a very compact  
solution that can achieve a 3A continuous  
output current over a wide input supply range  
with excellent load and line regulation, and can  
operate at high efficiency over a wide output-  
current load range.  
Wide 4.2V to 20V Operating Input Range  
3A Output Current  
Low RDS(ON) Internal Power Mosfets  
Proprietary Switching Loss Reduction  
Technique  
Power-Good Indicator in QFN Package  
Soft Startup/Shutdown  
Programmable Switching Frequency  
SCP, OCP, UVP Protection and Thermal  
Shutdown  
Constant-On-Time  
(COT)  
control  
mode  
provides fast transient response and eases loop  
stabilization.  
Optional OCP Protection: Latch-Off Mode  
and Hiccup Mode.  
Output Adjustable From 0.815V To 13V  
Available in aQFN12 (2x3mm)Package  
Full protection features include SCP, OCP,  
OVP, UVP and, thermal shut down.  
The MP28258 requires a minimal number of  
readily-available standard external components.  
APPLICATIONS  
Networking Systems  
Distributed Power Systems  
This device is available in a space saving  
2mmx3mm 12-pin QFN package.  
All MPS parts are lead-free and adhere to the RoHS directive. 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.  
TYPICAL APPLICATION  
9
3
IN  
BST  
VIN  
4.2V - 20V  
C3  
C1  
R7  
L1  
MP28258  
2, 10  
VOUT  
1.2V  
SW  
8
4
FREQ  
VCC  
C5  
R1  
R4  
C4  
C2  
7
FB  
5
6
EN  
PG  
EN  
OFF ON  
R2  
GND  
1, 11, 12  
MP28258 Rev 1.14  
9/25/2012  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2012 MPS. All Rights Reserved.  
1

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