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TPS65110_14

更新时间： 2024-09-29 02:58:39
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德州仪器 - TI /
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15页 229K
描述
LTPS-LCD BIAS POWER SUPPLY, TRIPLE CHARGE PUMP

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TPS65110_14 数据手册

 浏览型号TPS65110_14的Datasheet PDF文件第2页浏览型号TPS65110_14的Datasheet PDF文件第3页浏览型号TPS65110_14的Datasheet PDF文件第4页浏览型号TPS65110_14的Datasheet PDF文件第5页浏览型号TPS65110_14的Datasheet PDF文件第6页浏览型号TPS65110_14的Datasheet PDF文件第7页 
ꢀꢁ ꢂ ꢃꢄ ꢅꢅꢆ  
ꢀꢁ ꢂ ꢃꢄ ꢅꢅꢅ  
www.ti.com  
SLVS495 − SEPTEMBER 2003  
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FEATURES  
DESCRIPTION  
D
Complete LTPS-LCD Bias Solution  
Triple Output Charge Pump Providing  
at 16 mA, V at 2 mA, V at 1 mA  
The TPS65110/11 is a very compact power supply  
solution providing the three voltages required by many  
LTPS LCD displays.  
D
V
CC  
DD  
SS  
D
D
D
D
D
D
D
D
D
2.4 V to 5.5 V Input Voltage Range  
Fixed Output Voltages of 3.3 V, 7.5 V, −2.7 V  
or 5.0 V, 9.0 V, −3.0 V  
50 µA Typical Quiescent Current  
Less Than 1 µA Shutdown Current  
All three regulated outputs are generated using a charge  
pump topology.  
The VCC charge pump provides precise, high efficiency,  
and very low ripple dc/dc conversion for the LCD analog  
power. The VCC boost ratio (x1.0, x1.33, x1.5, and x2.0)  
is automatically set based on input and output voltage  
conditions. The VCC output assures 16 mA of current by  
using three 0.22-µF flying capacitors. If the required output  
current is smaller, smaller capacitors can be applied.  
Ultra-Low Ripple (V  
= 5 mV,  
CC  
Typical at 5 mA)  
Autonomous Boost for V  
Supply  
CC  
1.5% Accuracy on Fixed VCC Output Voltage  
Sequential Power Control  
24-Pin QFN Package (4 x 4)  
The VDD charge pump provides a higher positive voltage,  
and the VSS charge pump provides the negative output  
voltage. Power up/down sequences are internally set and  
are secured even in cases of sudden and abnormal VIN  
drop.  
APPLICATIONS  
D
D
D
Small Form LTPS−LCD Displays  
PDAs, Pocket PCs  
Smart Phones  
One of the most significant features of the TPS65110/11  
is the ultra-low output voltage ripple, as the VCC charge  
pump achieves 5-mV output ripple voltage.  
AVAILABLE OUTPUT VOLTAGE OPTIONS  
APPLICATION CIRCUIT FOR TPS65111  
PART NUMBER  
TPS65110RGE  
TPS65111RGE  
V
V
V
V
DD  
BOOST  
X3  
CC  
DD  
SS  
0.1 µF  
3.3 V  
5.0 V  
7.5 V  
9.0 V  
−2.7 V  
−3.0 V  
X2  
VIN  
2.4 V to 5.5 V  
VSS  
−3 V, 1 mA  
CSP CSN  
(1)  
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VIN  
VSS  
4.7 µF  
TPS65111  
2.2 µF  
CCP1  
CDP1  
0.22 µF  
0.22 µF  
0.22 µF  
0.1 µF  
0.1 µF  
0.1 µF  
CCN1  
CCP2  
CDN1  
CDP2  
CCN2  
CCP3  
CDN2  
CDP3  
CCN3  
VCC  
CDN3  
VDD  
VDD  
9 V, 2 mA  
VCC  
5 V, 16 mA  
2.2 µF  
1 µF  
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.  
ꢁꢑ ꢎ ꢊꢒ ꢉ ꢀꢌ ꢎꢘ ꢊ ꢍꢀꢍ ꢙꢚ ꢛꢜ ꢝ ꢞꢟ ꢠꢙꢜꢚ ꢙꢡ ꢢꢣ ꢝ ꢝ ꢤꢚꢠ ꢟꢡ ꢜꢛ ꢥꢣꢦ ꢧꢙꢢ ꢟꢠꢙ ꢜꢚ ꢨꢟ ꢠꢤꢩ ꢁꢝ ꢜꢨꢣ ꢢꢠꢡ  
ꢢ ꢜꢚ ꢛꢜꢝ ꢞ ꢠꢜ ꢡ ꢥꢤ ꢢ ꢙ ꢛꢙ ꢢ ꢟ ꢠꢙ ꢜꢚꢡ ꢥ ꢤꢝ ꢠꢪꢤ ꢠꢤ ꢝ ꢞꢡ ꢜꢛ ꢀꢤꢫ ꢟꢡ ꢌꢚꢡ ꢠꢝ ꢣꢞ ꢤꢚꢠ ꢡ ꢡꢠ ꢟꢚꢨ ꢟꢝ ꢨ ꢬ ꢟꢝ ꢝ ꢟ ꢚꢠꢭꢩ  
ꢁꢝ ꢜ ꢨꢣꢢ ꢠ ꢙꢜ ꢚ ꢥꢝ ꢜ ꢢ ꢤ ꢡ ꢡ ꢙꢚ ꢮ ꢨꢜ ꢤ ꢡ ꢚꢜꢠ ꢚꢤ ꢢꢤ ꢡꢡ ꢟꢝ ꢙꢧ ꢭ ꢙꢚꢢ ꢧꢣꢨ ꢤ ꢠꢤ ꢡꢠꢙ ꢚꢮ ꢜꢛ ꢟꢧ ꢧ ꢥꢟ ꢝ ꢟꢞ ꢤꢠꢤ ꢝ ꢡꢩ  
Copyright 2003, Texas Instruments Incorporated  
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