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MP4350DQ-Z PDF预览

MP4350DQ-Z

更新时间: 2024-02-18 12:01:54
品牌 Logo 应用领域
芯源 - MPS 开关
页数 文件大小 规格书
14页 449K
描述
Switching Regulator, Current-mode, 3.5A, 4800kHz Switching Freq-Max, 3 X 3 MM, MO-229VEED-5, QFN-10

MP4350DQ-Z 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Not Recommended零件包装代码:SON
包装说明:HVSON,针数:10
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.18
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:4.5 V标称输入电压:12 V
JESD-30 代码:S-XDSO-N10长度:3 mm
功能数量:1端子数量:10
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:3.5 A封装主体材料:UNSPECIFIED
封装代码:HVSON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
表面贴装:YES切换器配置:BUCK
最大切换频率:4800 kHz温度等级:INDUSTRIAL
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:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

MP4350DQ-Z 数据手册

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MP4350  
2.5A, 4MHz, 20V  
Step-Down Converter  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP4350 is a high frequency step-down  
switching regulator with an integrated internal  
high-side high voltage power MOSFET. It  
provides 2.5A output with current mode control  
for fast loop response and easy compensation.  
100µA Quiescent Current  
Wide 4.5V to 20V Operating Input Range  
150mInternal Power MOSFET  
Up to 4MHz Programmable Switching  
Frequency  
Ceramic Capacitor Stable  
Internal Soft-Start  
Internal Set Current Limit without a Current  
Sensing Resistor  
The wide 4.5V to 20V input range  
accommodates  
applications, including those in an automotive  
input environment. 100µA operational  
a
variety of step-down  
A
quiescent current allows use in battery-powered  
applications.  
Up to 95% Efficiency  
Output Adjustable from 0.8V to 16V  
Available in a 10-Pin QFN (3mm x 3mm) Package  
High power conversion efficiency over a wide  
load range is achieved by scaling down the  
switching frequency at light load condition to  
reduce the switching and gate driving losses.  
APPLICATIONS  
DSL Power  
Set Top Boxes  
Battery Powered Systems  
The frequency foldback helps prevent inductor  
current runaway during startup and thermal  
shutdown provides reliable, fault tolerant  
operation.  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
By switching at 4MHz, the MP4350 is able to  
prevent switching related EMI (Electromagnetic  
Interference) noise problems, such as those  
found in AM radio and ADSL applications.  
The MP4350 is available in a small 3mm x 3mm  
10-pin QFN package.  
TYPICAL APPLICATION  
C4  
100nF  
Efficiency vs  
Load Current  
100  
10  
V
=5V  
IN  
8,9  
3
1,2  
5
BST  
90  
80  
70  
60  
50  
40  
30  
V
OUT  
3.3V  
SW  
FB  
V
VIN  
IN  
D1  
V
=12V  
IN  
EN  
EN  
MP4350  
7
4
COMP  
FREQ  
C3  
220pF  
GND  
C6  
NS  
V
=3.3V  
OUT  
2.0  
LOAD CURRENT (A)  
5
0
0.5  
1.0  
1.5  
2.5  
MP4350 Rev. 1.0  
5/26/2008  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2008 MPS. All Rights Reserved.  
1

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