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TPS2045D集成電路(IC)的配電開關(guān)負(fù)載驅(qū)動(dòng)器規(guī)格書PDF中文資料

TPS2045D
廠商型號(hào)

TPS2045D

參數(shù)屬性

TPS2045D 封裝/外殼為8-SOIC(0.154",3.90mm 寬);包裝為卷帶(TR);類別為集成電路(IC)的配電開關(guān)負(fù)載驅(qū)動(dòng)器;產(chǎn)品描述:IC PWR SWITCH N-CHAN 1:1 8SOIC

功能描述

CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
IC PWR SWITCH N-CHAN 1:1 8SOIC

絲印標(biāo)識(shí)

2045

封裝外殼

SOIC / 8-SOIC(0.154",3.90mm 寬)

文件大小

508.96 Kbytes

頁(yè)面數(shù)量

26 頁(yè)

生產(chǎn)廠商

TI2

中文名稱

德州儀器

網(wǎng)址

網(wǎng)址

數(shù)據(jù)手冊(cè)

原廠下載下載地址一下載地址二到原廠下載

更新時(shí)間

2025-8-17 23:00:00

人工找貨

TPS2045D價(jià)格和庫(kù)存,歡迎聯(lián)系客服免費(fèi)人工找貨

TPS2045D規(guī)格書詳情

features

135-mW -Maximum (5-V Input) High-Side

MOSFET Switch

250 mA Continuous Current

Short-Circuit and Thermal Protection With

Overcurrent Logic Output

Operating Range . . . 2.7-V to 5.5-V

Logic-Level Enable Input

2.5-ms Typical Rise Time

Undervoltage Lockout

10 mA Maximum Standby Supply Current

Bidirectional Switch

Available in 8-pin SOIC and PDIP Packages

Ambient Temperature Range, –40°C to 85°C

2-kV Human-Body-Model, 200-V

Machine-Model ESD Protection

typical applications

Notebook, Desktop and Palmtop PCs

Monitors, Keyboards, Scanners, and

Printers

Digital Cameras, Phones, and PBXs

Hot-Insertion Applications

description

The TPS2045 and TPS2055 power-distribution switches are intended for applications where heavy capacitive

loads and short circuits are likely. Each of these 135-mW N-channel MOSFET high-side power switches is

controlled by a logic enable compatible with 5-V and 3-V logic. Gate drive is provided by an internal charge pump

that controls the power-switch rise times and fall times to minimize current surges during switching. The charge

pump requires no external components and allows operation from supplies as low as 2.7 V.

When the output load exceeds the current-limit threshold or a short is present, the TPS2045 and TPS2055 limit

the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OC) logic

output low. When continuous heavy overloads and short circuits increase the power dissipation in the switch,

causing the junction temperature to rise, a thermal protection circuit shuts off the switch in overcurrent to prevent

damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal

circuitry ensures the switch remains off until valid input voltage is present.

The TPS2045 and TPS2055 are designed to limit at 0.44-A load. These power-distribution switches, available

in 8-pin small-outline integrated circuit (SOIC) and 8-pin plastic dual-in-line packages (PDIP), operate over an

ambient temperature range of –40°C to 85°C.

產(chǎn)品屬性

更多
  • 產(chǎn)品編號(hào):

    TPS2045D

  • 制造商:

    Texas Instruments

  • 類別:

    集成電路(IC) > 配電開關(guān),負(fù)載驅(qū)動(dòng)器

  • 包裝:

    卷帶(TR)

  • 開關(guān)類型:

    通用

  • 輸出數(shù):

    1

  • 比率 - 輸入:

    1:1

  • 輸出配置:

    高端

  • 輸出類型:

    N 通道

  • 接口:

    開/關(guān)

  • 電壓 - 負(fù)載:

    2.7V ~ 5.5V

  • 電壓 - 供電 (Vcc/Vdd):

    不需要

  • 電流 - 輸出(最大值):

    250mA

  • 導(dǎo)通電阻(典型值):

    80 毫歐

  • 輸入類型:

    非反相

  • 特性:

    狀態(tài)標(biāo)志

  • 故障保護(hù):

    限流(固定),超溫,UVLO

  • 工作溫度:

    -40°C ~ 125°C(TJ)

  • 安裝類型:

    表面貼裝型

  • 供應(yīng)商器件封裝:

    8-SOIC

  • 封裝/外殼:

    8-SOIC(0.154",3.90mm 寬)

  • 描述:

    IC PWR SWITCH N-CHAN 1

供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫(kù)存 備注 價(jià)格
TI(德州儀器)
24+
SOP-8
5115
百分百原裝正品,可原型號(hào)開票
詢價(jià)
TI
2016+
SOP8
6000
只做原裝,假一罰十,公司可開17%增值稅發(fā)票!
詢價(jià)
TI
24+
SOP8
20000
全新原廠原裝,進(jìn)口正品現(xiàn)貨,正規(guī)渠道可含稅??!
詢價(jià)
Texas
25+
25000
原廠原包 深圳現(xiàn)貨 主打品牌 假一賠百 可開票!
詢價(jià)
TI
25+
SOP-8
4500
全新原裝、誠(chéng)信經(jīng)營(yíng)、公司現(xiàn)貨銷售!
詢價(jià)
TI(德州儀器)
24+
SOP-8
959
特價(jià)優(yōu)勢(shì)庫(kù)存質(zhì)量保證穩(wěn)定供貨
詢價(jià)
TI
2025+
SOIC-8
16000
原裝優(yōu)勢(shì)絕對(duì)有貨
詢價(jià)
TI
24+
SOP-8
90
詢價(jià)
TI/德州儀器
23+
SOP8
32732
原裝正品代理渠道價(jià)格優(yōu)勢(shì)
詢價(jià)
Texas Instruments
23+/24+
8-SOIC
8600
只供原裝進(jìn)口公司現(xiàn)貨+可訂貨
詢價(jià)