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MP1038

更新时间： 2024-02-01 21:29:55
品牌 Logo 应用领域
芯源 - MPS 控制器
页数 文件大小 规格书
1页 30K
描述
Full Bridge CCFL Controller

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MP1038 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP,针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.32
接口集成电路类型：LIQUID CRYSTAL DISPLAY DRIVERJESD-30 代码：R-PDSO-G28
长度：17.71 mm复用显示功能：NO
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-20 °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：2.64 mm最大供电电压：32 V
最小供电电压：10 V标称供电电压：17.5 V
表面贴装：YES温度等级：OTHER
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：7.49 mm

MP1038 数据手册

  
TM  
MP1038  
Full Bridge  
CCFL Controller  
TM  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP1038 is a fixed operating frequency inverter  
controller that controls four external N-Channel  
power MOSFETs in a full-bridge configuration. The  
inverter is designed to power one or more cold  
cathode fluorescent lamps (CCFL) to backlight  
liquid crystal displays. Its full-bridge architecture  
converts unregulated DC input voltages to the  
nearly pure sine waves required to ignite and  
operate CCFL.  
•
Controls Four External, Low Cost, N-Channel  
MOSFETs  
Fixed Operating Frequency  
Input Voltage Range of 10V to 32V  
Lamp Current and Voltage Regulation  
Full-Wave Sense Amp  
Analog and Burst Mode Dimming Control  
Integrated Burst Mode Oscillator and Modulator  
Soft-On and Soft-Off Burst Envelope  
Open Lamp Protection  
•
•
•
•
•
•
•
•
•
•
•
For reliable lamp ignition, the operating frequency is  
set by an external resistor and during startup, is  
temporarily swept toward the unloaded resonant  
frequency of the tank. The built-in burst oscillator  
can be synchronized with an external clock to  
minimize display scan interference. Burst mode or  
analog mode dimming is controlled with an external  
analog signal. Built-in fault management features  
include an open lamp regulator, a transformer  
secondary peak current regulator, and a dual-mode  
fault timer. The secondary over-current timeout can  
be shortened with external components. Built-in  
current limits for the external switches protect  
against inadvertent shorts. The MP1038 is available  
in TSSOP28 and SOIC28 packages.  
Secondary Over-Current Protection  
Dual-mode, Fault Timer  
Available in TSSOP28 and SOIC28 Packages  
APPLICATIONS  
•
•
•
Desktop LCD Flat Panel Displays  
Flat Panel Video Displays  
LCD TVs and Monitors  
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic  
Power Systems, Inc.  
The MP1038 is covered by US Patents 6,683,422, 6,316,881, and 6,114,814.  
Other Patents Pending.  
TYPICAL APPLICATION  
1
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
SI  
PGL  
GND  
2
3
LI  
LGL  
VCCL  
OUTL  
UGL  
LV  
4
COMP  
AG  
5
6
FT  
BTL  
7
LCS  
LCC  
BRC  
BRS  
DBRT  
ABRT  
ENSYNC  
LOK  
PRL  
8
PGR  
LGR  
9
10  
11  
12  
13  
14  
VCCR  
OUTR  
UGR  
BTR  
DBRT  
ABRT  
ENSYNC  
LOK  
PRR  
V
PS  
MP1038_TA01  
MP1038 Rev. 1.9w  
12/20/2005  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2005 MPS. All Rights Reserved.  
1
1

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