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MP4000DS PDF预览

MP4000DS

更新时间: 2024-10-02 20:09:35
品牌 Logo 应用领域
芯源 - MPS 驱动光电二极管接口集成电路
页数 文件大小 规格书
12页 552K
描述
LED Driver, 1-Segment, PDSO8, MS-012AA, SOIC-8

MP4000DS 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:SOIC
包装说明:SOIC-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.12
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:R-PDSO-G8
长度:4.9 mm功能数量:1
区段数:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压:10.5 V
最小供电电压:8 V标称供电电压:10 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

MP4000DS 数据手册

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MP4000  
Offline High Brightness  
White LED Driver Controller  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
Constant-current LED Driver  
The MP4000 is a high efficiency step-down  
converter designed for driving high brightness  
Light Emitting Diodes (LEDs).  
Power MOSFET Zero-Current Turn On  
No Freewheeling Diode Reverse Recovery  
Issues  
The MP4000 drives an external MOSFET in the  
floating buck converter structure. The inductor  
current is regulated with boundary conduction  
mode which features no reverse recovery loss  
in the freewheeling diode and soft turn on for  
the power MOSFET. Such operation mode can  
achieve very high efficiency and at the same  
time minimize the inductor value and size. Also,  
the LED current can be well regulated by  
controlling the MOSFET peak current, which is  
sensed through an external resistor. Its low  
300mV feedback voltage reduces power loss  
and improves efficiency.  
High Efficiency and Reliability in Boundary  
Mode Operation  
Low 0.9mA Operation Current  
PWM or DC Input Burst Dimming Control  
Hiccup Short Circuit Protection  
UVLO, Thermal Shutdown  
Maximum Frequency is Limited to 110kHz  
Available in SOIC8 Package  
APPLICATIONS  
DC/DC or AC/DC LED Driver applications  
General Illumination  
Industrial Lighting  
The MP4000 can accept an external PWM or a  
DC signal for the burst dimming control.  
Automotive/ Decorative LED Lighting  
For MPS green status, please visit MPS website under Quality Assurance.  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
The MP4000 features output short protection,  
maximum switching frequency limit, under-  
voltage lockout and thermal shut down.  
TYPICAL APPLICATION  
+
Vsupply  
-
Cin  
+
AC input  
R1  
LEDs  
Vout  
D
Cout  
-
D
L
VCC  
Vsw  
C1  
Z1  
MP4000  
MOSFET  
S1  
DRIVE  
DIM  
DIM  
CS  
BOS  
GND  
Rsense  
Cbos  
MP4000 Rev. 1.3  
11/7/2012  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2012 MPS. All Rights Reserved.  
1

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