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TPS79945YZUR

更新时间： 2024-01-03 09:14:20
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德州仪器 - TI 稳压器
页数 文件大小 规格书
21页 456K
描述
200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator

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TPS79945YZUR 数据手册

 浏览型号TPS79945YZUR的Datasheet PDF文件第2页浏览型号TPS79945YZUR的Datasheet PDF文件第3页浏览型号TPS79945YZUR的Datasheet PDF文件第4页浏览型号TPS79945YZUR的Datasheet PDF文件第5页浏览型号TPS79945YZUR的Datasheet PDF文件第6页浏览型号TPS79945YZUR的Datasheet PDF文件第7页 
TPS799xx  
www.ti.com  
SBVS056G–JANUARY 2005–REVISED AUGUST 2006  
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  
performance with very low ground current. High  
power-supply rejection ratio (PSRR), low noise, fast  
start-up, and excellent line and load transient  
response 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 100mV 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 specified from TJ = –40°C to  
+125°C and is offered in low profile ThinSOT23,  
Wafer Chip-Scale (WCSP), and 2mm × 2mm SON  
packages, ideal for wireless handsets and WLAN  
cards.  
Low IQ: 40µA  
Multiple Output Voltage Versions Available:  
– Fixed Outputs of 1.2V to 4.5V Using  
Innovative Factory EEPROM Programming  
– Adjustable Outputs from 1.20V to 6.5V  
High PSRR: 66dB at 1kHz  
•
•
•
•
Ultra-low Noise: 29.5µVRMS  
Fast Start-Up Time: 45µs  
Stable with a Low-ESR, 2.0µF Typical Output  
Capacitance  
•
•
•
•
Excellent Load/Line Transient Response  
2% Overall Accuracy (Load/Line/Temp)  
Very Low Dropout: 100mV  
ThinSOT-23, WCSP, and 2mm × 2mm SON-6  
Packages  
APPLICATIONS  
•
•
•
•
Cellular Phones  
Wireless LAN, Bluetooth™  
VCOs, RF  
Handheld Organizers, PDAs  
TPS799xxDDC  
TSOT23-5  
TPS79901DDC  
TSOT23-5  
TPS799xxYZU  
WCSP  
(TOP VIEW)  
TPS79901YZU  
WCSP  
(TOP VIEW)  
(TOP VIEW)  
(TOP VIEW)  
C3  
C1  
C3  
C1  
5
4
5
4
1
2
3
1
2
3
IN  
GND  
EN  
OUT  
FB  
IN  
GND  
EN  
OUT  
NR  
IN  
GND  
NR  
OUT  
EN  
IN  
GND  
FB  
OUT  
EN  
B2  
B2  
A3  
A1  
A3  
A1  
TPS799xxDRV  
2mm x 2mm SON-6  
(TOP VIEW)  
TPS79901DRV  
2mm x 2mm SON-6  
(TOP VIEW)  
OUT  
NR  
1
2
3
OUT  
FB  
1
2
3
6
5
4
IN  
6
5
4
IN  
GND  
GND  
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 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 © 2005–2006, Texas Instruments Incorporated  
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TPS79945YZUR 替代型号

型号 品牌 替代类型 描述 数据表
TPS79945YZUT TI

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