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LM3490IM5X-12/NOPB

更新时间： 2024-11-09 02:58:15
品牌 Logo 应用领域
德州仪器 - TI 光电二极管输出元件调节器
页数 文件大小 规格书
17页 1007K
描述
LM3490 100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-Controlled ON/OFF

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LM3490IM5X-12/NOPB 数据手册

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LM3490  
www.ti.com  
SNVS012E –JUNE 1999–REVISED APRIL 2013  
LM3490 100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-  
Controlled ON/OFF  
Check for Samples: LM3490  
1
FEATURES  
DESCRIPTION  
The LM3490 is an integrated linear voltage regulator.  
It features operation from an input as high as 30V  
and a specified maximum dropout of 1.2V at the full  
100 mA load. Standard packaging for the LM3490 is  
2
•
3.3, 5, 12, and 15V Versions Available  
Logic-Controlled ON/OFF  
•
•
Packaged in the Tiny 5-Lead SOT-23 Package  
the 5-lead SOT-23 package.  
A logic-controlled  
ON/OFF feature makes the LM3490 ideal for  
powering subsystems ON and OFF as needed.  
APPLICATIONS  
•
Tiny Alternative to LM78LXX Series and  
Similar Devices  
The 5, 12, and 15V members of the LM3490 series  
are intended as tiny alternatives to industry standard  
LM78LXX series and similar devices. The 1.2V quasi  
low dropout of LM3490 series devices makes them a  
nice fit in many applications where the 2 to 2.5V  
dropout of LM78LXX series devices precludes their  
(LM78LXX series devices) use.  
•
•
•
Tiny 5V±5% to 3.3V, 100 mA Converter  
Post Regulator for Switching DC/DC Converter  
Bias Supply for Analog Circuits  
KEY SPECIFICATIONS  
The LM3490 series features a 3.3V member. The  
SOT packaging and quasi low dropout features of the  
LM3490 series converge in this device to provide a  
very nice, very tiny 3.3V, 100 mA bias supply that  
regulates directly off the system 5V±5% power  
supply.  
•
•
30V Maximum Input for Operation  
1.2V Specified Maximum Dropout over Full  
Load and Temperature Ranges  
•
•
100 mA Specified Load Current  
±5% Specified Output Voltage Tolerance over  
Full Load and Temperature Ranges  
•
−40 to +125°C Junction Temperature Range for  
Operation  
Typical Application Circuit  
Connection Diagram  
Figure 1. Top View  
SOT-23 Package  
5-Lead, Molded-Plastic Small-Outline Transistor  
(SOT) Package  
Package Code DBV0005A  
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.  
All trademarks are the property of their respective owners.  
2
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 © 1999–2013, Texas Instruments Incorporated  
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LM3490IM5X-12/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM3490IM5-12 TI

完全替代

 LM3490 100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-
LM3490IM5X-12 TI

类似代替

 LM3490 100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-

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