TPPM0302

更新时间： 2024-11-22 22:19:15

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
12页	241K
描述
400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT AND POK

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TPPM0302 数据手册

TPPM0302

400-mA LOW-DROPOUT REGULATOR

WITH AUXILIARY POWER MANAGEMENT AND POK

SLVS316 – NOVEMBER 2000

DGN 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

400-mA Load Current Capability With 5-V or

3.3-V Input Source

POK

Power OK Feature Based on Voltage

Supervisor of 3.3VOUT

NC – No connect

Low r

Auxiliary Switch

DS(on)

Thermally Enhanced PowerPAD

Packaging Concept for Efficient Heat

Management

description

The TPPM0302 is a low-dropout regulator with auxiliary power management that provides a constant 3.3-V

supply at the output capable of driving a 400-mA load.

The TPPM0302 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 output voltage

is continually monitored for constant output, and any deviation from the internal set limit (≈2.8 V) is reported by

a low signal on the POK output.

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.

PowerPAD is a trademark of Texas Instruments.

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...12

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TPPM0302 替代型号

型号	品牌	替代类型	描述	数据表
TPPM0303	TI	功能相似	250-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT
TPPM0301	TI	功能相似	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT

与TPPM0302相关器件

型号	品牌	获取价格	描述	数据表
TPPM0302DGN	TI	获取价格	Analog IC
TPPM0302DGNG4	TI	获取价格	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT AND POK
TPPM0302DGNR	TI	获取价格	Single Output LDO, 400mA, Fixed(3.3V), Selectable 3.3V or Dual 5V Input, Reverse Current B
TPPM0302DGNRG4	TI	获取价格	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT AND POK
TPPM0303	TI	获取价格	250-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT
TPPM0303D	TI	获取价格	250-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT
TPPM0303DR	ROCHESTER	获取价格	3.3V FIXED POSITIVE LDO REGULATOR, 1V DROPOUT, PDSO8, GREEN, PLASTIC, SOIC-8
TPPM0303DR	TI	获取价格	250mA 低压降稳压器 \| D \| 8 \| 0 to 70
TPPM0304	TI	获取价格	250-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT
TPPM0304D	ETC	获取价格	Analog IC

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