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MP1530DM

更新时间： 2024-02-02 18:49:40
品牌 Logo 应用领域
芯源 - MPS 稳压器
页数 文件大小 规格书
15页 355K
描述
Triple Output Step-Up Plus Linear Regulators for TFT Bias

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MP1530DM 数据手册

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MP1530  
Triple Output Step-Up  
Plus Linear Regulators for TFT Bias  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP1530 combines a triple output step-up  
converter with linear regulators to provide a  
complete DC/DC solution. It is designed to  
power TFT LCD panels from a regulated 3.3V  
or 5V supply.  
•
•
•
2.7 to 5.5V Operating Input Range  
2.8A Switch Current Limit  
3 Outputs In a Single Package  
ƒ
ƒ
ƒ
Step-Up Converter up to 22V  
Positive 20mA Linear Regulator  
Negative 20mA Linear Regulator  
This  
device  
integrates  
a
1.4MHz  
•
•
•
•
•
•
•
•
•
250mΩ Internal Power MOSFET Switch  
Up to 95% Efficiency  
1.4MHz Fixed Frequency  
Internal Power-On Sequencing  
Adjustable Soft-Start/Fault Timer  
Cycle-by-Cycle Over Current Protection  
Under Voltage Lockout  
Ready Flag  
16-Pin, QFN (3mm x 3mm) or TSSOP  
Packages  
fixed-frequency step-up converter with positive  
and negative linear regulators. The step-up  
converter switch node drives two charge  
pumps, which supply powers to their respective  
linear regulators. The positive and negative  
linear regulator inputs can withstand up to 38V  
and down to -20V, respectively.  
A single on/off control enables all 3 outputs.  
The outputs are internally sequenced at startup  
for ease of use. An internal soft-start prevents  
input overload at startup. Cycle-by-cycle current  
limiting reduces component stress.  
APPLICATIONS  
•
•
•
•
TFT LCD Displays  
Portable DVD Players  
Tablet PCs  
The MP1530 is available in a tiny 3mm x 3mm,  
16-pin QFN package or a 16-pin TSSOP  
package.  
Car Navigation Displays  
EVALUATION BOARD REFERENCE  
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic  
Power Systems, Inc.  
Board Number  
Dimensions  
EV0055  
2.4”X x 2.3”Y x 0.4”Z  
TYPICAL APPLICATION  
V
IN  
3.3V/5V  
Efficiency vs  
Load Current  
(Step-Up Converter Only)  
100  
V
= 5.0V  
IN  
90  
80  
70  
60  
50  
40  
30  
20  
CT  
RDY  
IN  
EN  
SW  
V
MAIN  
OFF ON  
V
= 3.3V  
IN  
COMP  
FB1  
TO  
SW  
IN2  
MP1530  
IN3  
GL  
V
GL  
FB2  
GH  
V
GH  
V
= 13V  
FB3  
MAIN  
REF  
1
10  
100  
1000  
GND  
PGND  
LOAD CURRENT (mA)  
MP1530 Rev. 1.4  
5/19/2006  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2006 MPS. All Rights Reserved.  
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