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TPS65137ADSCR PDF预览

TPS65137ADSCR

更新时间: 2024-11-16 12:34:59
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
22页 979K
描述
200mA Dual Output AMOLED Display Power

TPS65137ADSCR 数据手册

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TPS65137  
www.ti.com  
SLVS929A MAY 2010REVISED OCTOBER 2012  
200mA Dual Output AMOLED Display Power  
Check for Samples: TPS65137  
1
FEATURES  
DESCRIPTION  
The TPS65137 is designed to provide best in class  
picture quality for AMOLED displays (Active Matrix  
Organic Light Emitting Diode) requiring positive and  
negative voltage supply rails. With its wide input  
voltage range the device is ideally suited for  
AMOLED displays, which are used in mobile phones  
and smart phones. With this device the input voltage  
can be higher than the positive output voltage and  
still maintains accurate regulation of VPOS. Using the  
digital control pin (CTRL) allows adjusting the  
negative output voltage in digital steps. The  
2.3 V to 5.5 V Input Voltage Range  
1% Output Voltage Accuracy VPOS  
Excellent Line Transient Regulation  
Low Noise Operation  
200 mA Output Current  
Fixed 4.63 V Positive Output Voltage  
Digitally Programmable Negative Output  
Voltage Down to –5.23V  
–4.93V Default Value for VNEG  
Advanced Power Save Mode  
Short Circuit Protection  
Thermal Shutdown  
TPS65137 uses  
a
novel technology enabling  
excellent line and load regulation with minimum  
output voltage ripple by using a LDO post regulator  
for VPOS. This is required avoiding disturbance of the  
AMOLED display due to input voltage transients  
occurring during transmit periods in mobile phones.  
TPS65137A High impedance output in  
shutdown  
3×3 mm 10 Pin QFN Package  
APPLICATIONS  
Active Matrix OLED Power Supply  
TYPICAL APPLICATION  
L1  
4.7mH  
VPOS  
4.63V/200mA  
VIN  
C2  
2.2mF  
2.3V to 5.5V  
C1  
4.7mF  
VNEG  
-4.93V/200mA  
C6  
4.7mF  
Enable and  
Digital OUTN  
Adjustment  
C5  
4.7mF  
C4  
100nF  
L2  
4.7mH  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2010–2012, Texas Instruments Incorporated  
 
 

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