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TPS77918DGKG4

更新时间： 2024-11-27 01:06:11
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德州仪器 - TI /
页数 文件大小 规格书
22页 619K
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250-mA LDO REGULATOR WITH INTEGRATED RESET IN A MSOP8 PACKAGE

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TPS77918DGKG4 数据手册

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TPS77901, TPS77918, TPS77925, TPS77930  
250-mA LDO REGULATOR WITH INTEGRATED RESET IN A MSOP8 PACKAGE  
SLVS283D – MARCH 2000 – REVISED OCTOBER 2000  
TPS779xx  
DGK PACKAGE  
(TOP VIEW)  
Open Drain Power-On Reset With 220-ms  
Delay  
250-mA Low-Dropout Voltage Regulator  
FB/SENSE  
RESET  
EN  
OUT  
OUT  
IN  
1
2
3
4
8
7
6
5
Available in 1.8-V, 2.5-V, 3-V, Fixed Output  
and Adjustable Versions  
Dropout Voltage Typically 200 mV  
at 250 mA (TPS77930)  
GND  
IN  
Ultralow 92-µA Quiescent Current (Typ)  
TPS77930  
DROPOUT VOLTAGE  
vs  
JUNCTION TEMPERATURE  
8-Pin MSOP (DGK) Package  
Low Noise (55 µV  
Capacitor (TPS77918)  
) With No Bypass  
rms  
400  
2% Tolerance Over Specified Conditions  
For Fixed-Output Versions  
V = 2.9 V  
I
350  
Fast Transient Response  
I
= 0.25 A  
= 0.15 A  
Thermal Shutdown Protection  
300  
250  
200  
O
O
See the TPS773xx and TPS774xx Family of  
Devices for Active Low Enable  
description  
I
150  
100  
The TPS779xx is a low-dropout regulator with  
integrated power-on reset. The device is capable  
of supplying 250 mA of output current with a  
dropout of 200 mV (TPS77930). Quiescent  
current is 92 µA at full load dropping down to 1 µA  
when the device is disabled. The 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. The  
I
= 0.05 A  
O
50  
0
–50 –30 –10 10  
30  
50  
70  
90 110 130  
T
J
– Junction Temperature – °C  
device has extremely low noise output performance (55 µV ) without using any added filter capacitors.  
rms  
TPS779xx is designed to have a fast transient response for larger load current changes.  
The TPS779xx is offered in 1.8-V, 2.5-V, and 3-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 TPS779xx family is available in 8-pin MSOP (DGK) packages.  
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 200 mV  
at an output current of 250 mA for 3.3 volt option) and is directly proportional to the output current. Additionally,  
since the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent  
of output loading (typically 92 µA over the full range of output current, 0 mA to 250 mA). These two key  
specifications yield a significant improvement in operating life for battery-powered systems.  
The device is enabled when the EN pin is connected to a high-level input voltage. This LDO family also features  
a sleep mode; applying a TTL low signal to EN (enable) shuts down the regulator, reducing the quiescent current  
to less than 1 µA at T = 25°C.  
J
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.  
Copyright 2000, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...22

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TPS77918DGKG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS77918DGKR TI

类似代替

 250-mA LDO REGULATOR WITH INTEGRATED RESET IN A MSOP8 PACKAGE
TPS77918DGK TI

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 250-mA LDO REGULATOR WITH INTEGRATED RESET IN A MSOP8 PACKAGE

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 		2.5V FIXED POSITIVE LDO REGULATOR, PDSO8, GREEN, PLASTIC, MSOP-8
TPS77930 TI

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 		250-mA LDO REGULATOR WITH INTEGRATED RESET IN A MSOP8 PACKAGE
TPS77930DGK TI

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TPS77930DGKG4 TI

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 		250-mA LDO REGULATOR WITH INTEGRATED RESET IN A MSOP8 PACKAGE
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