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TPS728120150

更新时间： 2024-11-23 12:16:15
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德州仪器 - TI 稳压器
页数 文件大小 规格书
24页 1116K
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200mA Low-Dropout Linear Regulator with Pin-Selectable Dual-Voltage Level Output

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TPS728xx Series  
www.ti.com  
SBVS095–AUGUST 2007  
200mA Low-Dropout Linear Regulator  
with Pin-Selectable Dual-Voltage Level Output  
1
FEATURES  
DESCRIPTION  
2
•
Very Low Dropout: 230mV Typical at 200mA  
3% Accuracy Over Load/Line/Temperature  
Low IQ: 50μA in Active Mode  
The TPS728xx series of low-dropout linear regulators  
(LDOs), with a selectable dual-voltage level output, is  
designed specially for applications that require two  
levels of output voltage regulation. Programming  
fuses and memory cards, reducing leakage effects,  
and conserving power in nanometric processes are  
some application examples.  
•
•
•
Available in Fixed-Output Voltages From 0.9V  
to 3.6V Using Innovative Factory EEPROM  
Programming  
•
VSET Pin Toggles Output Voltage Between  
Two Preset Levels  
The VSET pin is used to select one of two output  
voltage levels preset through innovative factory  
EEPROM programming. A precision bandgap and  
error amplifier provides an overall 3% accuracy over  
load, line, and temperature extremes.  
–
Preset Output Voltage Levels Can Be  
EEPROM-Programmed To Any Combination  
•
•
•
High PSRR: 65dB at 1kHz  
Ultra-small wafer chip scale (WCSP) and 2mm x  
2mm SON packages make the TPS728xx series ideal  
for handheld applications.  
Stable with a 1.0μF Ceramic Capacitor  
Thermal Shutdown and Over-Current  
Protection  
This family of devices is fully specified over a  
temperature range of TJ = –40°C to +125°C.  
•
Available in Wafer-Level Chip Scale and  
2mm x 2mm SON Packages  
APPLICATIONS  
TPS728xx Series  
YZU PACKAGE  
WCSP-5  
TPS728xx Series  
DRV PACKAGE  
2mm x 2mm SON-6  
(TOP VIEW)  
•
•
•
Power Rails with Programming Mode  
Dual Voltage Levels for Power-Saving Mode  
Leakage Reduction for 90nm and 65nm  
Processors  
(TOP VIEW)  
C3  
C1  
OUT  
VSET  
NC  
1
2
3
6
5
4
IN  
IN  
OUT  
•
•
Wireless Handsets, Smart Phones, PDAs  
MP3 Players and Other Handheld Products  
B2  
Thermal  
Pad(1)  
GND  
GND  
EN  
A3  
A1  
VSET  
EN  
(1) It is recommended that the SON package  
thermal pad be connected to ground.  
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.  
2
All trademarks are the property of their respective owners.  
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 © 2007, Texas Instruments Incorporated  
1234567...24

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