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MP38875DL PDF预览

MP38875DL

更新时间: 2024-02-03 16:58:34
品牌 Logo 应用领域
芯源 - MPS 开关
页数 文件大小 规格书
14页 589K
描述
Switching Regulator, Current-mode, 800kHz Switching Freq-Max, 3 X 4 MM, MO-220VGED, QFN-20

MP38875DL 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:5.2
其他特性:OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 12V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:800 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

MP38875DL 数据手册

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MP38875  
15A, 16V, 800kHz Step-Down  
Converter with Synchronous Gate Driver  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP38875 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  
25mInternal Power MOSFET Switch  
Synchronous Gate Driver  
Synch from 300KHz to > 1MHz External Clock or  
800KHz 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 MP38875 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 MP38875 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 Trademarks of Monolithic  
Power Systems, Inc.  
TYPICAL APPLICATION  
V
CC  
Efficiency vs. Output Current  
VIN=12V,VO=1.8V  
System  
100  
V
IN  
PG  
BST  
IN  
C1  
22uF  
25V  
CB  
1uF  
90  
L1  
0.72uH  
V
OUT  
80  
70  
60  
50  
40  
30  
20  
SW  
BG  
1.8V/15A  
COMP  
VCC  
R3  
MP38875  
SS/TRK  
C2  
100uF  
6.3V  
C6  
C3  
FB  
EN  
OFF ON  
SYNCIN  
SYNCOUT GND  
0
2
4
6
8
10 12 14 16  
IOUT (A)  
MP38875 Rev. 0.9  
11/20/2009  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2009 MPS. All Rights Reserved.  
1

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