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TPS77027DBVTG4

更新时间： 2024-11-24 00:52:31
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德州仪器 - TI /
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24页 863K
描述
ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS

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TPS77027DBVTG4 数据手册

 浏览型号TPS77027DBVTG4的Datasheet PDF文件第2页浏览型号TPS77027DBVTG4的Datasheet PDF文件第3页浏览型号TPS77027DBVTG4的Datasheet PDF文件第4页浏览型号TPS77027DBVTG4的Datasheet PDF文件第5页浏览型号TPS77027DBVTG4的Datasheet PDF文件第6页浏览型号TPS77027DBVTG4的Datasheet PDF文件第7页 
TPS77001, TPS77012, TPS77015, TPS77018, TPS77025  
TPS77027, TPS77028, TPS77030, TPS77033, TPS77050  
ULTRALOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS  
SLVS210D – JUNE 1999 – REVISED MAY 2001  
DBV PACKAGE  
(TOP VIEW)  
50-mA Low-Dropout Regulator  
Available in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V,  
2.8-V, 3.0-V, 3.3-V, and 5-V Fixed-Output and  
Adjustable Versions  
1
2
3
5
OUT  
IN  
GND  
Only 17 µA Quiescent Current at 50 mA  
1 µA Quiescent Current in Standby Mode  
Dropout Voltage Typically 35 mV at 50 mA  
Over Current Limitation  
4
NC/FB  
EN  
TPS77033  
–40°C to 125°C Operating Junction  
Temperature Range  
GROUND CURRENT  
vs  
FREE-AIR TEMPERATURE  
5-Pin SOT-23 (DBV) Package  
22  
21  
20  
19  
18  
17  
16  
15  
description  
V = 4.3 V  
I
C
= 4.7 µF  
The TPS770xx family of low-dropout (LDO)  
voltage regulators offers the benefits of low  
dropout voltage, ultralow-power operation, and  
miniaturized packaging. These regulators feature  
low dropout voltages and ultralow quiescent  
current compared to conventional LDO  
regulators. Offered in a 5-terminal small outline  
O
I
= 50 mA  
I
O
= 0 mA  
O
integrated-circuit  
SOT-23  
package,  
the  
TPS770xx series devices are ideal for  
micropower operations and where board space is  
at a premium.  
A combination of new circuit design and process  
innovation has enabled the usual PNP pass  
transistor to be replaced by a PMOS pass  
element. Because the PMOS pass element  
behaves as a low-value resistor, the dropout  
voltage is very low — typically 35 mV at 50 mA of  
–60 –40 –20  
0
20 40 60 80 100 120 140  
T
A
– Free-Air Temperature – °C  
load current (TPS77050) — and is directly proportional to the load current. Since the PMOS pass element is  
a voltage-driven device, the quiescent current is ultralow (28 µA maximum) and is stable over the entire range  
ofoutputloadcurrent(0mAto50mA). Intendedforuseinportablesystemssuchaslaptopsandcellularphones,  
the ultralow-dropout voltage feature and ultralow-power operation result in a significant increase in system  
battery operating life.  
The TPS770xx also features a logic-enabled sleep mode to shut down the regulator, reducing quiescent current  
to 1 µA typical at T = 25°C. The TPS770xx is offered in 1.2-V, 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V,  
J
and 5-V fixed-voltage versions and in a variable version (programmable over the range of 1.2 V to 5.5 V).  
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 2001, 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...24

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TPS77027DBVTG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS77027DBVRG4 TI

类似代替

 10-V, 50-mA, Low-Iq, Low-Dropout Linear Regulator 5-SOT-23
TPS77027DBVT TI

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 ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS
TPS77027DBVR TI

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 ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS

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