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TPS70258 PDF预览

TPS70258

更新时间： 2024-11-18 22:49:39
品牌 Logo 应用领域
德州仪器 - TI 稳压器输出元件
页数 文件大小 规格书
30页 508K
描述
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS

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TPS70258 数据手册

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TPS70245, TPS70248, TPS70251, TPS70258, TPS70202  
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS  
WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS  
SLVS286B – JUNE 2000 – REVISED OCTOBER 2002  
D
D
D
Dual Output Voltages for Split-Supply  
Applications  
D
D
D
D
D
D
D
D
D
Ultralow 190 µA (typ) Quiescent Current  
1 µA Input Current During Standby  
Independent Enable Functions (See Part  
Number TPS701xx for Sequenced Outputs)  
Low Noise: 65 µV  
Capacitor  
Without Bypass  
RMS  
Output Current Range of 500 mA on  
Regulator 1 and 250 mA on Regulator 2  
Quick Output Capacitor Discharge Feature  
One Manual Reset Input  
D
Fast Transient Response  
2% Accuracy Over Load and Temperature  
Undervoltage Lockout (UVLO) Feature  
20-Pin PowerPAD TSSOP Package  
Thermal Shutdown Protection  
D
Voltage Options Are 3.3-V/2.5-V, 3.3-V/1.8-V,  
3.3-V/1.5-V, 3.3-V/1.2-V, and Dual Adjustable  
Outputs  
D
D
Open Drain Power-On Reset With 120-ms  
Delay  
Open Drain Power Good for Regulator 1  
and Regulator 2  
PWP PACKAGE  
(TOP VIEW)  
description  
NC  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
NC  
V
V
V
IN1  
IN1  
OUT1  
The TPS702xx is a low dropout voltage regulator  
V
V
OUT1  
with integrated SVS (RESET, POR, or power on  
reset) and power good (PG) functions. These  
devices are capable of supplying 500 mA and  
250 mA by regulator 1 and regulator 2 respective-  
ly. Quiescent current is typically 190 µA at full  
load. Differentiated features, such as accuracy,  
fast transient response, SVS supervisory circuit  
(power on reset), manual reset input, and  
independent enable functions provide a complete  
system solution.  
MR  
EN1  
EN2  
/FB1  
/FB2  
SENSE1  
PG1  
PG2  
RESET  
GND  
V
V
V
SENSE2  
OUT2  
V
V
IN2  
IN2  
OUT2  
NC  
NC – No internal connection  
TPS70251 PWP  
I/O  
3.3 V  
V
OUT1  
5 V  
V
IN1  
10 µF  
0.1 µF  
V
SENSE1  
250 kΩ  
250 kΩ  
PG1  
PG1  
MR  
MR  
>2 V  
V
IN2  
250 kΩ  
<0.7 V  
0.1 µF  
EN1  
RESET  
RESET  
PG2  
>2 V  
>2 V  
PG2  
EN1  
EN2  
<0.7 V  
<0.7 V  
EN2  
V
SENSE2  
1.8 V  
Core  
V
OUT2  
10 µF  
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.  
PowerPAD is a trademark of Texas Instruments.  
Copyright 2002, 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...30

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TPS70258 替代型号

型号 品牌 替代类型 描述 数据表
TPS70251 TI

功能相似

 DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
TPS70248 TI

功能相似

 DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
TPS70245 TI

功能相似

 DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS

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