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MP4350DQ-Z PDF预览

MP4350DQ-Z

更新时间: 2024-02-12 16:17:23
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

 浏览型号MP4350DQ-Z的Datasheet PDF文件第2页浏览型号MP4350DQ-Z的Datasheet PDF文件第3页浏览型号MP4350DQ-Z的Datasheet PDF文件第4页浏览型号MP4350DQ-Z的Datasheet PDF文件第6页浏览型号MP4350DQ-Z的Datasheet PDF文件第7页浏览型号MP4350DQ-Z的Datasheet PDF文件第8页 
MP4350 – 2.5A, 4MHz, 20V STEP-DOWN CONVERTER  
OPERATION  
The MP4350 is  
non-synchronous,  
a
variable frequency,  
PWM Control  
step-down switching  
At moderate to high output current, the MP4350  
operates in a fixed frequency, peak current  
control mode to regulate the output voltage. A  
PWM cycle is initiated by the internal clock. The  
power MOSFET is turned on and remains on  
until its current reaches the value set by the  
COMP voltage. When the power switch is off, it  
remains off for at least 100ns before the next  
cycle starts. If, in one PWM period, the current  
in the power MOSFET does not reach the  
COMP set current value, the power MOSFET  
remains on, saving a turn-off operation.  
regulator with an integrated high-side high  
voltage power MOSFET. It provides a single  
highly efficient solution with current mode  
control for fast loop response and easy  
compensation. It features a wide input voltage  
range, internal soft-start control and precision  
current limiting. Its very low operational  
quiescent current makes it suitable for battery  
powered applications.  
V
VIN  
IN  
+
--  
+
--  
5V  
2.6V  
REFERENCE UVLO/  
INTERNAL  
EN  
THERMAL  
BST  
SW  
REGULATORS  
SHUTDOWN  
SW  
--  
+
I
SW  
1.5ms SS  
SS  
V
OUT  
I
Level  
Shift  
SW  
FB  
Gm Error Amp  
--  
+
COMP  
SS  
0V8  
OSCILLATOR  
CLK  
V
OUT  
FREQ  
GND  
COMP  
Figure 1—Functional Block Diagram  
MP4350 Rev. 1.0  
5/26/2008  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2008 MPS. All Rights Reserved.  
5

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