TPPM0304

更新时间： 2024-09-16 11:58:39

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
14页	259K
描述
250-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT

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TPPM0304 数据手册

TPPM0304

250-mA LOW-DROPOUT REGULATOR

WITH AUXILIARY POWER MANAGEMENT

SLVS320 – OCTOBER 2000

†

D PACKAGE

(TOP VIEW)

Automatic Input Voltage Source Selection

Glitch-Free Regulated Output

5-V Input Voltage Source Detector With

Hysteresis

GND

5VAUX

3.3VAUX

250-mA Load Current Capability With 5-V or

3.3-V Input Source

5VCC

3.3VOUT

Low r

Auxiliary Switch

DS(on)

NC – No internal connection

description

†

This package is available taped and reeled. To

order this packaging option, add an R suffix to

the part number (e.g., TPPM0304DR).

The TPPM0304 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 TPPM0304 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...14

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