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TPS727XX PDF预览

TPS727XX

更新时间： 2024-11-26 07:04:51
品牌 Logo 应用领域
德州仪器 - TI 稳压器射频
页数 文件大小 规格书
22页 710K
描述
250mA, Ultralow IQ, Fast Transient Response, RF LOW-DROPOUT LINEAR REGULATOR

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TPS727XX 数据手册

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TPS727xx  
www.ti.com  
SBVS128B –JUNE 2009–REVISED APRIL 2010  
250mA, Ultralow IQ, Fast Transient Response,  
RF LOW-DROPOUT LINEAR REGULATOR  
1
FEATURES  
DESCRIPTION  
234  
•
Very Low Dropout:  
The TPS727xx family of low-dropout (LDO) linear  
regulators are ultralow quiescent current LDOs with  
excellent line and ultra-fast load transient  
performance and are designed for power-sensitive  
applications. The LDO output voltage level is preset  
by the use of innovative factory EEPROM  
–
–
–
65mV Typical at 100mA  
130mV Typical at 200mA  
163mV Typical at 250mA  
•
2% Accuracy Over Load/Line/Temperature  
programming.  
amplifier provides overall 2% accuracy over load, line,  
and temperature extremes. The TPS727xx family is  
A
precision bandgap and error  
•
•
Ultralow IQ: 7.9mA  
Excellent Load Transient Performance:±50mV  
for 200mA Loading/Unloading Transient  
available in 1,5mm  
x 1,5mm SON and wafer  
chip-scale (WCSP) packages that make it ideal for  
handheld applications. This family of devices is fully  
specified over a temperature range of TJ = –40°C to  
+125°C.  
•
Available in Fixed-Output Voltages From 0.9V  
to 5V Using Innovative Factory EEPROM  
Programming  
•
•
•
•
High PSRR: 70dB at 1kHz  
YFF PACKAGE  
WCSP-4  
(Top View)  
DSE PACKAGE  
1,5mm ´ 1,5mm SON-6  
(Top View)  
Stable with a 1.0mF Ceramic Capacitor  
Thermal Shutdown and Overcurrent Protection  
OUT  
B2  
GND  
B1  
Available in 4-Ball, 0,4mm Pitch Wafer-Level  
Chip Scale and 1,5mm x 1,5mm SON Packages  
OUT  
NC  
1
2
3
6
5
4
IN  
NC  
EN  
A2  
IN  
A1  
GND  
APPLICATIONS  
EN  
•
•
•
•
•
Wireless Handsets, Smart Phones, PDAs  
MP3 Players and Other Handheld Products  
Wireless LAN, Bluetooth®, Zigbee®  
Remote Controls  
Portable Consumer Products  
space  
TYPICAL APPLICATION CIRCUIT  
VIN  
VOUT  
IN  
OUT  
1mF  
Ceramic  
CIN  
COUT  
TPS727xx  
On  
Off  
EN  
GND  
PSRR vs FREQUENCY  
GROUND PIN CURRENT vs TEMPERATURE  
15  
12  
9
100  
VIN = 2.1V  
IOUT = 0mA  
90  
80  
70  
IOUT = 10mA  
60  
50  
40  
30  
20  
10  
0
6
3
IOUT = 200mA  
0
10  
100  
1k  
10k  
100k  
1M  
10M  
-40 -25 -10  
5
20 35 50 65 80 95 110 125  
Frequency (Hz)  
Temperature (°C)  
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
3
4
Bluetooth is a registered trademark of Bluetooth SIG.  
Zigbee is a registered trademark of Zigbee Alliance.  
All other 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 © 2009–2010, Texas Instruments Incorporated  
 
 
 
 
 
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