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TPS73433-Q1 PDF预览

TPS73433-Q1

更新时间： 2024-09-16 12:16:19
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
13页 569K
描述
250mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low-Dropout Linear Regulator

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TPS73433-Q1 数据手册

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TPS73433-Q1  
TPS73401-Q1  
www.ti.com  
SBVS185 –DECEMBER 2011  
250mA, Low Quiescent Current, Ultra-Low Noise, High PSRR  
Low-Dropout Linear Regulator  
Check for Samples: TPS73433-Q1, TPS73401-Q1  
1
FEATURES  
DESCRIPTION  
The TPS734xx-Q1 family of low-dropout (LDO),  
•
•
•
•
Qualified for Automotive Applications  
250mA Low Dropout Regulator with EN  
Low IQ: 44μA  
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  
44μA (typical) ground current. The TPS734xx-Q1 is  
stable with ceramic capacitors and uses an advanced  
BiCMOS fabrication process to yield a typical dropout  
voltage of 125mV at 250mA output. The  
TPS734xx-Q1 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 TA = –40°C to +105°C and is  
offered in a low-profile ThinSOT-23 package that are  
ideal for wireless handsets, printers, and WLAN  
cards.  
Multiple Output Voltage Versions Available:  
–
–
Fixed 3.3V Outputs  
Adjustable Outputs from 1.25V to 6.2V  
•
•
•
•
High PSRR: 60dB at 1kHz  
Ultra-Low Noise: 28μVRMS  
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)  
ThinSOT-23 Package  
TPS73433TDDCRQ1  
TSOT23-5  
TPS73401TDDCRQ1  
TSOT23-5  
(TOP VIEW)  
(TOP VIEW)  
5
4
5
4
1
2
3
1
2
3
IN  
GND  
EN  
OUT  
FB  
IN  
GND  
EN  
OUT  
NR  
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.  
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 © 2011, Texas Instruments Incorporated  
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