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MP1528DK-LF

更新时间： 2024-09-28 12:58:19
品牌 Logo 应用领域
芯源 - MPS 驱动器
页数 文件大小 规格书
9页 240K
描述
Interface Circuit

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中文翻译

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MP1528DK-LF 技术参数

是否Rohs认证：符合生命周期：Obsolete
包装说明：,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.84
Is Samacsys：N接口集成电路类型：LED DISPLAY DRIVER
Base Number Matches：1

MP1528DK-LF 数据手册

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TM  
MP1528  
9 Lamp, 36V Precision White LED Driver  
TM  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP1528 is a step-up converter designed  
for driving up to nine (9) series White LEDs  
(LED) from a single cell Lithium-Ion battery. It  
regulates the LED current and includes an  
analog input for varying the LED brightness.  
•
•
•
•
•
•
•
•
•
•
•
Drives up to 9 Series White LEDs  
Integrated 0.63ꢀ Power MOSFET  
Low 0.4V Full-Scale Current Sense Threshold  
Over 20mA Output Current Capacity  
Analog and Digital PWM Brightness Control  
Open Load Shutdown  
Soft-Start  
Internal Current Limit  
Under Voltage Lockout  
Thermal Shutdown  
The MP1528 uses current limited, variable  
frequency architecture to regulate the LED  
current while maintaining high efficiency. The  
BIAS pin measures the output voltage and turns  
off the converter if an over voltage condition is  
present to prevent damage due to an open  
circuit condition. The LED current is measured  
with an external current sense resistor. The low  
0.4V full-scale regulation threshold and 0.63Ω  
power switch minimize power loss.  
Available in 8-Pin MSOP and Tiny 3mm x 3mm  
6-Pin QFN Packages  
APPLICATIONS  
•
•
•
•
•
Handheld Computers  
PDAs  
PDA Phones  
Digital and Video Cameras  
Small LCD Displays  
The MP1528 is available in an 8 pin MSOP and  
a tiny 6 pin 3mm x 3mm QFN packages.  
EVALUATION BOARD REFERENCE  
Board Number  
Dimensions  
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic  
Power Systems, Inc.  
EV1528DQ-00A  
2.0” x 1.5” x 0.5”  
TYPICAL APPLICATION  
Efficiency vs  
LED Current  
D1  
B160B  
V
V
= 12V  
IN  
IN  
100  
90  
80  
70  
60  
50  
40  
30  
6 LEDs  
7 LEDs  
LED1  
LED9  
5
3
C3  
10nF  
EN  
EN  
SW  
8 LEDs  
MP1528  
9 LEDs  
6
2
4
1
BRT  
BRT  
BIAS  
GND  
FB  
0
5
10 15 20 25 30 35  
LED CURRENT (mA)  
MP1528_TAC01  
MP1528_EC01  
MP1528 Rev. 1.7  
2/21/2006  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2006 MPS. All Rights Reserved.  
1
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