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TPS799LXXYYYZ PDF预览

TPS799LXXYYYZ

更新时间： 2024-11-23 11:46:07
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
14页 602K
描述
200-mA, Low-Dropout Linear Regulator

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TPS799LXXYYYZ 数据手册

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TPS799L  
www.ti.com  
SBVS191 –APRIL 2012  
200-mA, Low-Dropout Linear Regulator  
with Built-In Inrush Current Protection  
1
FEATURES  
DESCRIPTION  
The TPS799L family of low-dropout (LDO), low-power  
linear regulators offers 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 40 μA (typical) ground current.  
23  
•
200mA Low-Dropout Regulator with EN  
•
Multiple Output Voltage Versions Available:  
–
TPS799L: Fixed Outputs of 5.2 V to 6.2 V  
Using Innovative Factory EEPROM  
Programming  
–
–
TPS799L57 : 5.7-V Output  
The TPS799Lxx is stable with ceramic capacitors and  
uses an advanced BiCMOS fabrication process to  
yield a dropout voltage of typically 100 mV at a 200  
mA output. The TPS799L uses a precision voltage  
reference and feedback loop to achieve an overall  
accuracy of 2% over all load, line, process, and  
temperature variations. The TPS799L features inrush  
current protection when the EN toggle is used to start  
the device, immediately clamping the current.  
TPS799: Output Options Less Than 5.2 V  
•
•
•
•
Inrush current Protection with EN Toggle  
Low IQ: 40 μA  
High PSRR: 66 dB at 1 kHz  
Stable with a Low-ESR, 2.0-μF Typical Output  
Capacitance  
•
•
•
•
Excellent Load/Line Transient Response  
2% Overall Accuracy (Load, Line, and Temp)  
Very Low Dropout: 100 mV  
All devices are fully specified over the temperature  
range of TJ = –40°C to +125°C, and offered in a low-  
profile, wafer chip-scale (WCSP) package, ideal for  
wireless handsets and WLAN cards.  
Package: 5-Bump, Thin, 1-mm × 1.37-mm  
WCSP  
APPLICATIONS  
TYPICAL APPLICATION CIRCUIT  
Optional input capacitor.  
May improve source  
•
•
•
•
Cellular Phones  
Wireless LAN, Bluetooth®  
impedance, noise, or PSRR.  
VCOs, RF  
VIN  
VOUT  
IN  
OUT  
TPS799Lxx  
GND  
Handheld Organizers, PDAs  
2.2 mF  
Ceramic  
EN  
NR  
TPS799LxxYZY  
WCSP  
(TOP VIEW)  
VEN  
C3  
A3  
C1  
A1  
Optional bypass capacitor  
to reduce output noise  
and increase PSRR.  
IN  
GND  
NR  
OUT  
EN  
B2  
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
Bluetooth is a registered 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 © 2012, Texas Instruments Incorporated  
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