TPPM0303

更新时间： 2024-11-05 03:26:43

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
10页	208K
描述
250-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT

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TPPM0303 数据手册

TPPM0303

250-mA LOW-DROPOUT REGULATOR

WITH AUXILIARY POWER MANAGEMENT

SLVS364 – FEBRUARY 2001

D PACKAGE

(TOP VIEW)

Automatic Input Voltage Source Selection

Glitch-Free Regulated Output

5-V Input Voltage Source Detector With

Hysteresis

5VAUX

5VCC

GND

3.3VOUT

3.3VAUX

250-mA Load Current Capability With 5-V or

3.3-V Input Source

Low r

Auxiliary Switch

DS(on)

description

The TPPM0303 is a low-dropout regulator with auxiliary power management that provides a constant 3.3-V

supply at the output capable of driving a 250-mA load.

The TPPM0303 provides a regulated power output for systems that have multiple input sources and require a

constant voltage source with a low-dropout voltage. This is a single output, multiple input, intelligent power

source selection device with a low-dropout regulator for either 5VCC or 5VAUX inputs, and a low-resistance

bypass switch for the 3.3VAUX input.

Transitions may occur from one input supply to another without generating a glitch outside of the specification

range on the 3.3-V output. The device has an incorporated reverse-blocking scheme to prevent excess leakage

from the input terminals in the event that the output voltage is greater than the input voltage.

The input voltage is prioritized in the following order: 5VCC, 5VAUX, and 3.3VAUX.

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.

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.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...10

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TPPM0303 替代型号

型号	品牌	替代类型	描述	数据表
TPPM0301	TI	功能相似	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT
TPPM0302	TI	功能相似	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT AND POK

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