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MP3388DR

更新时间： 2024-11-21 19:48:59
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 336K
描述
LED Driver, 8-Segment, 4 X 4 MM, HALOGEN FREE, MO-220VGGD, QFN-24

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中文翻译

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MP3388DR 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：QFN
包装说明：QFN-24针数：24
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.06
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：S-XQCC-N24
长度：4 mm功能数量：1
区段数：8端子数量：24
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：HVQCCN
封装形状：SQUARE封装形式：CHIP CARRIER, 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最大供电电压：25 V
最小供电电压：4.5 V标称供电电压：12 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4 mmBase Number Matches：1

MP3388DR 数据手册

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MP3388  
50V, 8-String White LED Driver  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP3388 is a step-up converter with  
8-channel current sources designed for driving  
the white LED arrays for large size LCD panel  
backlighting applications.  
•
•
•
•
•
High Efficiency and Small Size  
4.5V to 25V Input Voltage Range  
50V Maximum Step-up Voltage  
Balanced Driver for 8 Strings of WLED  
3% Current Matching Accuracy Between  
Strings  
Selectable Switching Frequency: 1.25MHz or  
625kHz  
PWM or DC Input Burst PWM Dimming  
Programmable Over-voltage Protection  
Under Voltage Lockout  
The MP3388 uses current mode, fixed frequency  
architecture. The switching frequency can be  
selected at 1.25MHz or 625kHz. It generates an  
output voltage up to 50V from a 4.5V to 25V input  
supply. The MP3388 independently regulates the  
current in each LED string to the user programmed  
value set by an external current setting resistor.  
•
•
•
•
•
•
•
Open and Short LED protection  
Thermal Shutdown  
Small QFN24 (4x4mm) and 28 pin SOIC  
packages  
The MP3388 applies 8 internal current sources in  
each LED string terminal to achieve a current  
balance of 3% regulation accuracy between  
strings. Its low 600mV regulation voltage on LED  
current sources reduces power loss and improves  
efficiency.  
•
Halogens Free  
APPLICATIONS  
The MP3388 features external PWM dimming or  
DC input PWM dimming, which allows the flexible  
control of the backlighting luminance. The dimming  
PWM signal can be generated internally, and the  
dimming frequency is programmed by an external  
setting capacitor.  
•
•
•
•
Notebook PC  
Small LCD TV  
Handy Terminals Display  
Automotive System and Tablet Computer  
All MPS parts are lead-free and adhere to the RoHS directive. 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.  
TYPICAL APPLICATION  
M1  
L1  
D1  
VIN  
C1  
C2  
R1  
R2  
4.5V~25V  
C4  
C3  
24  
VCC  
23  
VIN  
22  
21  
20  
19  
SW2  
PGND1  
COMP VFAULT SW1  
1
2
3
4
18  
EN  
Enable  
17  
16  
15  
14  
13  
OSC  
PGND2  
OVP  
NC  
FSET  
MP3388  
PWMO  
GND  
LED1  
LED2  
LED3  
C5  
C6  
5
6
PWM  
PWMI  
DIMMING  
LED8  
LED7  
8
LED6  
9
LED5  
10  
ISET  
11  
LED4  
12  
7
R
SET  
MP3388 Rev. 1.0  
12/16/2011  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2011 MPS. All Rights Reserved.  
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