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TPS71025DR

更新时间： 2024-02-05 16:59:53
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
20页 309K
描述
LOW-DROPOUT VOLTAGE REGULATOR

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TPS71025DR 数据手册

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TPS71025  
LOW-DROPOUT VOLTAGE REGULATOR  
SLVS162A – MAY 1997 – REVISED MAY 1998  
D OR P PACKAGE  
(TOP VIEW)  
2.5-V Fixed-Output Regulator  
Very Low-Dropout (LDO) Voltage . . . 57 mV  
GND  
EN  
IN  
NC  
1
2
3
4
8
7
6
5
Typical at I = 100 mA  
O
SENSE  
OUT  
OUT  
Very Low Quiescent Current, Independent  
of Load . . . 292 µA Typ  
IN  
Extremely Low Sleep-State Current,  
0.5 µA Max  
2% Tolerance Over Specified Conditions  
Output Current Range . . . 0 mA to 500 mA  
PW PACKAGE  
(TOP VIEW)  
Available in Space Saving 8-Pin SOIC and  
20-Pin TSSOP Packages  
GND  
GND  
GND  
NC  
NC  
EN  
1
2
3
4
5
6
7
8
9
10  
20 NC  
19  
18  
17  
16  
15  
14  
13  
12  
11  
NC  
0°C to 125°C Operating Junction  
Temperature Range  
NC  
NC  
NC  
description  
SENSE  
OUT  
OUT  
NC  
NC  
IN  
The TPS71025 low-dropout regulator offers an  
order of magnitude reduction in both dropout  
voltage and quiescent current over conventional  
LDO performance. The improvement results from  
replacing the typical pnp pass transistor with a  
PMOS device.  
IN  
IN  
NC  
NC – No internal connection  
Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (maximum of 95 mV  
at an output current of 100 mA) and is directly proportional to the output current (see Figure 1). Additionally,  
since the PMOS pass element is a voltage-driven device, the quiescent current is very low and remains  
independent of output loading (typically 292 µA over the full range of output current, 0 mA to 500 mA). These  
two key specifications yield a significant improvement in operating life for battery-powered systems. The  
TPS71025 also features a sleep mode; applying a TTL high signal to EN (enable) shuts down the regulator,  
reducing the quiescent current to 0.5 µA maximum at T = 25°C.  
J
AVAILABLE OPTIONS  
OUTPUT VOLTAGE  
PACKAGED DEVICES  
(V)  
CHIP FORM  
(Y)  
T
J
SMALL OUTLINE  
(D)  
PLASTIC DIP  
(P)  
TSSOP  
(PW)  
MIN  
TYP  
2.5  
MAX  
0°C to 125°C  
2.45  
2.55  
TPS71025D  
TPS71025P  
TPS71025PWLE  
TPS71025Y  
The D package is availabe taped and reeled. Add R suffix to device type (e.g., TPS71025DR). The PW package is only available left-end taped  
and reeled and is indicated by the LE suffix on the device type.  
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 1997, 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...20

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TPS71025DR 替代型号

型号 品牌 替代类型 描述 数据表
TPS71025D TI

完全替代

 LOW-DROPOUT VOLTAGE REGULATOR
TPS71025DRG4 TI

类似代替

 Low-Dropout (LDO) Voltage Regulator 8-SOIC 0 to 125

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 		IC VREG DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PBGA8, CSP-8, Fixed Positive Multiple O
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TPS712 TI

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