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MP38870DL PDF预览

MP38870DL

更新时间: 2024-11-29 01:20:35
品牌 Logo 应用领域
芯源 - MPS 开关
页数 文件大小 规格书
10页 543K
描述
3A, 14V, 600KHz Step-Down Converter with Synchronizable Gate Driver

MP38870DL 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:14
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.2
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:14 V
最小输入电压:4.5 V标称输入电压:12 V
JESD-30 代码:R-XDSO-N14长度:4 mm
功能数量:1端子数量:14
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:HVSON
封装形状:RECTANGULAR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:800 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 mm
Base Number Matches:1

MP38870DL 数据手册

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MP38870  
3A, 14V, 600KHz Step-Down Converter  
with Synchronizable Gate Driver  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP38870 is a monolithic step-down switch  
mode converter with a built in internal high-side  
power MOSFET. It achieves 3A continuous  
output current over a wide input supply range  
with excellent load and line regulation.  
Wide 4.5V to 14V Operating Input Range  
3A Continuous Output Current  
80mInternal Power MOSFET Switch  
Power Good Indicator  
Synchronous Gate Driver Delivers up to  
95% Efficiency  
Fixed 600KHz Frequency  
External Synchronous Option: 250kHz-  
1.5MHz  
Cycle-by-Cycle Over Current Protection  
Thermal Shutdown  
Output Adjustable from 0.8V  
Stable with Low ESR Output Ceramic  
Capacitors  
Current mode operation provides fast transient  
response and reliable over current protection.  
Fault condition protection includes cycle-by-cycle  
current limiting and thermal shutdown.  
The MP38870 requires a minimum number of  
readily available standard external components  
and is available in a space saving 3mm x 4mm  
14-pin QFN package.  
Available in a 3mm x 4mm 14-Pin QFN  
Package  
APPLICATIONS  
Point of Load Regulator in Distributed  
Power System  
Digital Set Top Boxes  
Personal Video Recorders  
Broadband Communications  
Flat Panel Television and Monitors  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
Efficiency vs.  
Output Current  
4, 5, 6  
11  
V
IN  
BST  
IN  
100  
V
=5V  
IN  
95  
90  
85  
12  
2
8, 9, 10  
13  
V
OUT  
3.3V @ 3A  
VCC  
PG  
SW  
BG  
V
=12V  
IN  
80  
75  
70  
1
3
FB  
EN/SYNC  
OFF ON  
GND  
65  
60  
V
=3.3V  
OUT  
14  
0
1
2
3
4
OUTPUT CURRENT (A)  
MP38870 Rev. 1.1  
10/22/2009  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2009 MPS. All Rights Reserved.  
1

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