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TPS702

更新时间： 2024-11-24 11:07:55
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德州仪器 - TI 稳压器
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37页 985K
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具有电源正常指示和独立使能功能的 500mA、双通道低压降稳压器

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TPS702 数据手册

 浏览型号TPS702的Datasheet PDF文件第2页浏览型号TPS702的Datasheet PDF文件第3页浏览型号TPS702的Datasheet PDF文件第4页浏览型号TPS702的Datasheet PDF文件第5页浏览型号TPS702的Datasheet PDF文件第6页浏览型号TPS702的Datasheet PDF文件第7页 
TPS70245, TPS70248  
TPS70251, TPS70258  
TPS70202  
www.ti.com  
SLVS286E –JUNE 2000–REVISED DECEMBER 2009  
DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS  
WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS  
1
FEATURES  
DESCRIPTION  
23  
•
Dual Output Voltages for Split-Supply  
The TPS702xx is a low dropout voltage regulator with  
integrated SVS (RESET, POR, or power on reset)  
and power good (PG) functions. These devices are  
capable of supplying 500mA and 250mA by regulator  
1 and regulator 2 respectively. Quiescent current is  
typically 190μA 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.  
Applications  
•
Independent Enable Functions (See Part  
Number TPS701xx for Sequenced Outputs)  
•
Output Current Range of 500mA on Regulator  
1 and 250mA on Regulator 2  
•
•
Fast Transient Response  
Voltage Options: 3.3V/2.5V, 3.3V/1.8V,  
3.3V/1.5V, 3.3V/1.2V, and Dual Adjustable  
Outputs  
PWP PACKAGE  
(TOP VIEW)  
•
•
Open Drain Power-On Reset with 120ms Delay  
Open Drain Power Good for Regulator 1 and  
Regulator 2  
NC  
1
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
NC  
V
V
2
IN1  
IN1  
OUT1  
•
•
•
•
•
•
•
•
•
Ultralow 190μA (typ) Quiescent Current  
1μA Input Current During Standby  
Low Noise: 65μVRMS Without Bypass Capacitor  
Quick Output Capacitor Discharge Feature  
One Manual Reset Input  
3
V
V
V
OUT1  
4
MR  
EN1  
/FB1  
/FB2  
SENSE1  
5
PG1  
PG2  
V
6
EN2  
7
RESET  
GND  
SENSE2  
8
V
V
OUT2  
OUT2  
9
2% Accuracy Over Load and Temperature  
Undervoltage Lockout (UVLO) Feature  
20-Pin PowerPAD™ TSSOP Package  
Thermal Shutdown Protection  
V
IN2  
10  
V
NC  
IN2  
NC = No internal connection  
TPS70251 PWP  
V
I/O  
3.3 V  
OUT1  
5 V  
V
IN1  
10 mF  
0.1 mF  
V
SENSE1  
250 kW  
250 kW  
PG1  
PG1  
MR  
MR  
>2 V  
V
IN2  
250 kW  
<0.7 V  
0.1 mF  
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 mF  
1
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.  
2
3
PowerPAD is a trademark of Texas Instruments.  
All other trademarks are the property of their respective owners.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2000–2009, Texas Instruments Incorporated  
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 		DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
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 		具有电源正常指示和独立使能功能的 500mA、双通道低压降稳压器 | PWP | 20 |
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 		DUAL-OUTPUT, LOW DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
TPS70245PWPR TI

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 		具有电源正常指示和独立使能功能的 500mA、双通道低压降稳压器 | PWP | 20 |
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 		DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO20, GREEN, PLASTIC, HTSSOP-20

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