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TPS79925

更新时间： 2024-11-25 22:52:47
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
18页 368K
描述
200mA Low Quiescent Current, Ultra-Low Noise, High PSRR, Low Dropout Linear Regulator

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TPS79925 数据手册

 浏览型号TPS79925的Datasheet PDF文件第2页浏览型号TPS79925的Datasheet PDF文件第3页浏览型号TPS79925的Datasheet PDF文件第4页浏览型号TPS79925的Datasheet PDF文件第5页浏览型号TPS79925的Datasheet PDF文件第6页浏览型号TPS79925的Datasheet PDF文件第7页 
TPS79901, TPS79915, TPS79916, TPS79918  
TPS79925, TPS79927, TPS79928, TPS799285  
TPS79929, TPS79930, TPS79932, TPS79933  
www.ti.com  
SBVS056C–JANUARY 2005–REVISED MAY 2005  
200mA Low Quiescent Current, Ultra-Low Noise,  
High PSRR, Low Dropout Linear Regulator  
FEATURES  
DESCRIPTION  
•
•
•
200mA Low Dropout Regulator with EN  
The TPS799xx family of low-dropout (LDO)  
low-power linear regulators offer excellent AC per-  
formance with very low ground current. High  
power-supply rejection ratio (PSRR), low noise, fast  
start-up, and excellent line and load transient re-  
sponse are provided while consuming a very low  
40µA (typical) ground current. The TPS799xx is  
stable with ceramic capacitors and uses an advanced  
BiCMOS fabrication process to yield dropout voltage  
typically 110mV at 200mA output. The TPS799xx  
uses a precision voltage reference and feedback loop  
to achieve overall accuracy of 2% over all load, line,  
process, and temperature variations. It is fully speci-  
fied from TJ = -40°C to +125°C and is offered in low  
profile ThinSOT23 and Wafer Chip-Scale packages  
(WCSP), ideal for wireless handsets and WLAN  
cards.  
Low IQ: 40µA  
Available in Multiple Output Voltage Versions:  
– Fixed Outputs of 1.5V, 1.6V, 1.8V, 2.5V, 2.7V,  
2.8V, 2.85V, 2.9V, 3.0V, 3.2V and 3.3V  
– Adjustable Outputs from 1.2V to 6.5V  
– Additional Outputs Available Using  
Innovative Factory EEPROM Programming  
•
•
•
•
High PSRR: 66dB at 1kHz  
Ultra-low Noise: 29.5µVRMS  
Fast Start-Up Time: 45µs  
Stable with a 2.0µF Ceramic Output  
Capacitance  
•
•
•
•
Excellent Load/Line Transient Response  
2% Overall Accuracy (Load/Line/Temp)  
Very Low Dropout: 100mV  
ThinSOT-23, WCSP, and 2mm x 2mm SON  
(Available 9/05) Packages  
APPLICATIONS  
•
•
•
•
Cellular Phones  
Wireless LAN, Bluetooth™  
VCOs, RF  
Handheld Organizers, PDAs  
TPS799xxDDC  
TSOT23−5  
TPS79901DDC  
TSOT23−5  
TPS799xxYZU  
WCSP PACKAGE  
(TOP VIEW)  
TPS79901YZU  
WCSP PACKAGE  
(TOP VIEW)  
(TOP VIEW)  
(TOP VIEW)  
C3  
C1  
C3  
C1  
5
4
1
2
3
IN  
GND  
EN  
OUT  
NR  
5
4
1
2
3
IN  
GND  
EN  
OUT  
FB  
IN  
GND  
FB  
OUT  
EN  
IN  
GND  
NR  
OUT  
EN  
B2  
B2  
A3  
A1  
A3  
A1  
TPS799xx DRV PACKAGE  
2mm x 2mm SON  
(TOP VIEW)  
TPS79901 DRV PACKAGE  
2mm x 2mm SON  
(TOP VIEW)  
OUT  
NR  
1
2
3
OUT  
FB  
1
2
3
6
5
4
IN  
6
5
4
IN  
N/C  
EN  
N/C  
EN  
GND  
GND  
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.  
Bluetooth is a trademark of Bluetooth SIG, Inc.  
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 © 2005, Texas Instruments Incorporated  
1234567...18

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