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TPS735

更新时间： 2024-11-23 07:04:51
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
16页 587K
描述
500mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator

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TPS735 数据手册

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TPS735xx  
www.ti.com........................................................................................................................................................ SBVS087C–JUNE 2008–REVISED AUGUST 2008  
500mA, Low Quiescent Current, Ultra-Low Noise, High PSRR  
Low Dropout Linear Regulator  
1
FEATURES  
DESCRIPTION  
2
•
500mA Low Dropout Regulator with EN  
The TPS735xx 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  
46µA (typical) ground current. The TPS735xx is  
stable with ceramic capacitors and uses an advanced  
BiCMOS fabrication process to yield a typical dropout  
voltage of 250mV at 500mA output. The TPS735xx  
uses a precision voltage reference and feedback loop  
to achieve overall accuracy of 2% (VOUT > 2.2V) over  
all load, line, process, and temperature variations. It  
is fully specified from TJ = –40°C to +125°C and is  
offered in a low-profile, 2mm x 2mm SON and 3mm ×  
3mm SON packages that is ideal for wireless  
handsets, printers, and WLAN cards.  
•
•
Low IQ: 46µA  
Multiple Output Voltage Versions Available:  
–
Fixed Outputs of 1.0V to 4.3V Using  
Innovative Factory EEPROM Programming  
–
Adjustable Outputs from 1.0V to 6.0V  
•
•
•
•
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,  
VOUT > 2.2V)  
•
•
Very Low Dropout: 250mV at 500mA  
2mm × 2mm SON-6 and 3mm × 3mm SON-8  
Packages  
APPLICATIONS  
•
•
•
•
WiFi, WiMax  
Printers  
Cellular Phones, SmartPhones  
Handheld Organizers, PDAs  
DRB PACKAGE  
3mm x 3mm SON  
(TOP VIEW)  
DRV PACKAGE  
2mm x 2mm SON  
(TOP VIEW)  
OUT  
N/C  
1
2
3
4
IN  
8
7
6
5
OUT  
NR/FB  
GND  
1
2
3
6
5
4
IN  
N/C  
N/C  
EN  
GND  
N/C  
EN  
NR/FB  
GND  
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
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 © 2008, Texas Instruments Incorporated  
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