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MP2488DQ-LF PDF预览

MP2488DQ-LF

更新时间： 2024-11-11 19:49:43
品牌 Logo 应用领域
芯源 - MPS 驱动接口集成电路
页数 文件大小 规格书
14页 273K
描述
Interface Circuit

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MP2488DQ-LF 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.19
接口集成电路类型：LED DISPLAY DRIVERBase Number Matches：1

MP2488DQ-LF 数据手册

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MP2488  
200kHz, 55V Input, 2A  
High Power LED Driver  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP2488 is a fixed frequency step-down  
switching regulator to deliver a constant current of  
up to 2A to high power LEDs. It integrates a high-  
side, high voltage power MOSFET with a current  
limit of 3.2A. The wide 4.5V to 55V input range  
•
•
•
Wide 4.5V to 55V Operating Input Range  
220mΩ Internal Power MOSFET  
Up to 200kHz Programmable Switching  
Frequency  
130µA Quiescent Current  
Ceramic Capacitor Stable  
Internal Soft-Start  
Up to 95% Efficiency  
200mV reference voltage for high efficiency  
Available in 3x3mm 10-Pin QFN and SOIC8  
with Exposed Pad Packages  
•
•
•
•
•
•
accommodates  
a
variety  
of  
step-down  
applications, making it ideal for automotive,  
industry and general lighting applications. Peak  
current mode control and 200mV reference are  
applied for fast loop response, easy  
compensation and accurate LED current  
regulation.  
The  
switching  
frequency  
is  
programmable with an external resistor up to  
200kHz, which can prevent EMI (Electromagnetic  
Interference) noise problems. The thermal shut  
down provides reliable, fault tolerant operations. A  
12µA quiescent current in shutdown mode allows  
its use in battery-powered applications.  
APPLICATIONS  
•
•
•
High Power LED Driver  
Automotive, and General Lighting  
Constant Source  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
The MP2488 is available in small 3mm x 3mm  
10-pin QFN and SOIC8 with exposed pad  
packages.  
TYPICAL APPLICATION  
Efficiency vs. Input Voltage  
CCOM2  
10 WLED@330mA  
100  
RCOM CCOM1  
V
COMP  
VIN  
BST  
SW  
IN  
98  
96  
94  
92  
90  
CIN  
8V to 55V  
MP2488  
EN  
CONTROL  
RFREQ  
L1  
CBST  
D1  
FREQ  
LED+  
CFREQ  
COUT  
LED-  
FB  
GND  
RFB  
30 35 40 45 50 55 60  
INPUT VOLTAGE(V)  
MP2488 Rev. 0.9  
7/17/2009  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2009 MPS. All Rights Reserved.  
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