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MP1518DJ-LF-Z PDF预览

MP1518DJ-LF-Z

更新时间： 2024-02-15 04:37:48
品牌 Logo 应用领域
芯源 - MPS 驱动器
页数 文件大小 规格书
9页 251K
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MP1518DJ-LF-Z 数据手册

 浏览型号MP1518DJ-LF-Z的Datasheet PDF文件第2页浏览型号MP1518DJ-LF-Z的Datasheet PDF文件第3页浏览型号MP1518DJ-LF-Z的Datasheet PDF文件第4页浏览型号MP1518DJ-LF-Z的Datasheet PDF文件第5页浏览型号MP1518DJ-LF-Z的Datasheet PDF文件第6页浏览型号MP1518DJ-LF-Z的Datasheet PDF文件第7页 
TM  
MP1518  
Fixed Frequency  
White LED Driver  
TM  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP1518 is a step-up converter designed for  
driving up to 6 series white LEDs from a single  
cell Lithium Ion battery. The MP1518 uses current  
mode, fixed frequency architecture to regulate the  
LED current, which is measured through an  
external current sense resistor. Its low 104mV  
feedback voltage reduces power loss and  
improves efficiency. The OV pin monitors the  
output voltage and turns off the converter if an  
over-voltage condition is present due to an open  
circuit condition.  
•
•
•
•
•
•
•
•
•
•
On Board Power MOSFET  
Drives up to 6 Series White LEDs  
Up to 87% Efficiency  
Over 1MHz Fixed Switching Frequency  
Open Load Shutdown  
Low 104mV Feedback Voltage  
Soft-Start/PWM Dimming  
UVLO, Thermal Shutdown  
Internal Current Limit  
Available in TSOT23-6 and QFN8 Packages  
APPLICATIONS  
The MP1518 includes under-voltage lockout,  
current limiting and thermal overload protection  
preventing damage in the event of an output  
overload.  
•
•
•
•
Cell Phones  
Handheld Computers and PDAs  
Digital Still Cameras  
Small LCD Displays  
The MP1518 is available in small 6-pin TSOT23  
or 8-pin QFN (2mm x 2mm) packages.  
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic  
Power Systems, Inc.  
Also available is the MP1518DJE, ideal for  
applications where low EMI is critical.  
EVALUATION BOARD REFERENCES  
Board Number  
EV0056  
Dimensions  
1.9”X x 1.8”Y x 0.4”Z  
2.0”X x 1.8”Y x 0.4”Z  
EV1518DG-00A  
TYPICAL APPLICATION  
Efficiency vs  
LED Current  
V
5V  
IN  
88  
LED1  
LED2  
LED3  
LED4  
LED5  
LED6  
4 LEDS  
86  
6 LEDS  
84  
3 LEDS  
IN  
SW  
OV  
82  
EN  
EN  
MP1518  
80  
78  
GND  
FB  
V
= 3.6V  
IN  
76  
5
10  
15  
20  
LED CURRENT (mA)  
MP1518 Rev. 1.6  
7/25/2006  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2006 MPS. All Rights Reserved.  
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MP1518DJ-LF-Z 替代型号

型号 品牌 替代类型 描述 数据表
MP1518DJE-LF-Z MPS

完全替代

 暂无描述
MP1518DJ-LF MPS

功能相似

 LED Driver, 6-Segment, PDSO6, ROHS COMPLIANT, MO-193AB, TSOT-23, 6 PIN
MP1518DJ MPS

功能相似

 Fixed Frequency White LED Driver

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