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TPS77401-EP

更新时间： 2024-09-13 11:58:39
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德州仪器 - TI 稳压器输出元件
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23页 463K
描述
250-mA LDO VOLTAGE REGULATOR WITH POWER-GOOD OUTPUT

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TPS77401-EP 数据手册

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TPS77401-EP  
250-mA LDO VOLTAGE REGULATOR  
WITH POWER-GOOD OUTPUT  
www.ti.com  
SLVS702–OCTOBER 2006  
FEATURES  
DGK PACKAGE  
(TOP VIEW)  
•
Controlled Baseline  
– One Assembly  
FB/SENSE  
PG  
8
7
6
5
OUT  
OUT  
IN  
1
2
3
4
– One Test Site  
– One Fabrication Site  
EN  
•
•
Extended Temperature Performance of –55°C  
to 125°C  
GND  
IN  
Enhanced Diminishing Manufacturing  
Sources (DMS) Support  
DROPOUT VOLTAGE  
vs  
JUNCTION TEMPERATURE  
•
•
•
•
Enhanced Product-Change Notification  
(1)  
Qualification Pedigree  
300  
250  
200  
150  
100  
50  
Open-Drain Power-Good (PG) Status Output  
Available in 1.5-V, 1.8-V, 2.7-V, 2.8-V, 3.3-V,  
5-V Fixed-Output and Adjustable Versions  
I
O
= 250 mA  
•
•
•
•
Dropout Voltage Typically 200 mV at 250 mA  
Ultralow 92-µA Quiescent Current (Typ)  
8-Pin MSOP (DGK) Package  
Low Noise (55 µVrms) Without an External  
Filter (Bypass) Capacitor  
•
2% Tolerance Over Specified Conditions For  
Fixed-Output Versions  
I
O
= 10 mA  
I
O
= 0 A  
•
•
•
Fast Transient Response  
0
Thermal Shutdown Protection  
See the TPS779xx Family of Devices for  
Active-High Enable  
−50  
−40  
0
40  
80  
120  
160  
(1) Component qualification in accordance with JEDEC and  
industry standards to ensure reliable operation over an  
extended temperature range. This includes, but is not limited  
to, Highly Accelerated Stress Test (HAST) or biased 85/85,  
temperature cycle, autoclave or unbiased HAST,  
T − Junction Temperature − °C  
J
electromigration, bond intermetallic life, and mold compound  
life. Such qualification testing should not be viewed as  
justifying use of this component beyond specified  
performance and environmental limits.  
DESCRIPTION  
The TPS77401 is a low-dropout (LDO) regulator with power good (PG) function. This device is capable of  
supplying 250 mA of output current with a dropout of 200 mV. Quiescent current is 92 µA at full load dropping  
down to 1 µA when device is disabled. This device is optimized to be stable with a wide range of output  
capacitors including low-ESR ceramic (10-µF) or low-capacitance (1 µF) tantalum capacitors. This device has  
extremely low noise output performance (55 µVrms) without using any added filter capacitors. The TPS77401 is  
designed to have fast transient response for larger load current changes.  
The TPS77401 is offered in 1.5-V, 1.8-V, 2.7-V, 2.8-V, 3.3-V, and 5-V fixed-voltage versions and in an  
adjustable version (programmable over the range of 1.5 V to 5.5 V). Output voltage tolerance is 2% over line,  
load, and temperature ranges. The TPS77401 device is available in an 8-pin mini small-outline package (MSOP)  
(DGK).  
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.  
Copyright © 2006, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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