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MP38873DL

更新时间： 2024-11-17 21:04:47
品牌 Logo 应用领域
芯源 - MPS 开关
页数 文件大小 规格书
14页 381K
描述
Switching Regulator, Current-mode, 400kHz Switching Freq-Max, 3 X 4 MM, MO-220VGED, QFN-20

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MP38873DL 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Active零件包装代码：QFN
包装说明：HVQCCN,针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.25
其他特性：OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 12V; ALSO HAS A CONTROL TECHNIQUE OF PHASE-SHIFT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：16 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：R-XQCC-N20
长度：4 mm功能数量：1
端子数量：20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：HVQCCN封装形状：RECTANGULAR
封装形式：CHIP CARRIER, 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：400 kHz温度等级：INDUSTRIAL
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：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

MP38873DL 数据手册

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MP38873  
15A, 16V, High Frequency Step-Down  
Converter with Synchronous Gate Driver  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP38873 is a monolithic step-down switch  
mode converter with a built in internal power  
MOSFET. It achieves 15A continuous output  
current over a wide input supply range with  
excellent load and line regulation.  
•
•
•
•
•
Wide 4.5V to 16V Operating Input Range  
15A Output Current  
25mΩ Internal Power MOSFET Switch  
Synchronous Gate Driver  
Synch from 300KHz to > 1MHz External Clock or  
400KHz Fixed Switching Frequency  
Synch Output to Drive Another Regulator in  
Phase-Shift Operation  
Feedback Voltage Accuracy: 2%  
Programmable Soft-Start  
Current mode operation provides fast transient  
response and eases loop stabilization.  
•
Fault condition protection includes cycle-by-cycle  
current limiting and thermal shutdown.  
•
•
•
•
•
•
•
•
The MP38873 requires a minimum number of  
readily available standard external components  
and is available in a 20-pin 3mm x 4mm QFN  
package.  
Startup Tracking  
EN and Power Good for Power Sequencing  
Cycle-by-Cycle Over Current Protection  
Thermal Shutdown  
Output Adjustable from 0.8V to 12V  
Stable with Low ESR Output Ceramic  
Capacitors  
The MP38873 is ideal for a wide range of  
applications including distributed power systems,  
pre-regulator for linear regulators, compact DC-  
DC regulators for PCB space limited platforms.  
•
Available in a 3mm x 4mm QFN Package  
APPLICATIONS  
•
•
•
Distributed Power Systems  
Pre-Regulator for Linear Regulators  
Compact DC-DC Regulator for PCB Space  
Limited Platforms  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
V
CC  
Efficiency vs. Output Current  
VIN=12V,VOUT=1.2V  
System  
95  
V
IN  
PG  
BST  
IN  
90  
85  
V
OUT  
SW  
BG  
1.2V/15A  
COMP  
VCC  
80  
75  
70  
65  
60  
55  
50  
M2  
R3  
MP38873  
SS/TRK  
C6  
C3  
FB  
EN  
OFF ON  
SYNCIN  
SYNCOUT GND  
0
2
4
6
8
10 12 14 16  
OUTPUT CURRENT(A)  
MP38873 Rev. 0.9  
9/17/2009  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2009 MPS. All Rights Reserved.  
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