Datasheet > LM3490

LM3490

更新时间： 2024-09-20 12:48:31

品牌	Logo	应用领域
德州仪器 - TI		稳压器
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-

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LM3490 数据手册

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

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

•

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

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.

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.

12 3 4 5 6 7...17

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与LM3490相关器件

型号	品牌	获取价格	描述	数据表
LM3490_07	NSC	获取价格	100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-Controlled ON/OFF
LM34902	TI	获取价格	300mA Current Limited Power Switch
LM34902ITMX/NOPB	TI	获取价格	5.3-V, 0.3-A, 0.64-mΩ, load switch 6-DSBGA -40 to 85
LM34904	TI	获取价格	500mA Current Limited Power Switch
LM3490IM5-12	TI	获取价格	LM3490 100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-
LM3490IM5-12	NSC	获取价格	100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-Controlled ON/OFF
LM3490IM5-15	NSC	获取价格	100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-Controlled ON/OFF
LM3490IM5-3.3	NSC	获取价格	100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-Controlled ON/OFF
LM3490IM5-3.3	TI	获取价格	LM3490 100 mA, SOT-23, Quasi Low-Dropout Linear Voltage Regulator with Logic-
LM3490IM5-3.3/NOPB	NSC	获取价格	IC VREG 3.3 V FIXED POSITIVE LDO REGULATOR, 1.2 V DROPOUT, PDSO5, PLASTIC, SOT-23, 5 PIN,

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