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MAX8745集成電路(IC)的特殊用途穩(wěn)壓器規(guī)格書PDF中文資料

MAX8745
廠商型號

MAX8745

參數(shù)屬性

MAX8745 封裝/外殼為32-WFQFN 裸露焊盤;包裝為卷帶(TR);類別為集成電路(IC)的特殊用途穩(wěn)壓器;MAX8745應用范圍:控制器,筆記本電腦電源系統(tǒng);產(chǎn)品描述:IC CNTRLR PWR SUP QUAD 32TQFN

功能描述

High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers

封裝外殼

32-WFQFN 裸露焊盤

文件大小

583.65 Kbytes

頁面數(shù)量

36

生產(chǎn)廠商

MAXIM

中文名稱

美信

網(wǎng)址

網(wǎng)址

數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時間

2025-8-7 23:00:00

人工找貨

MAX8745價格和庫存,歡迎聯(lián)系客服免費人工找貨

MAX8745規(guī)格書詳情

General Description

The MAX8744/MAX8745 are dual step-down, switchmode, power-supply (SMPS) controllers with synchronous rectification, intended for main 5V/3.3V power generation in battery-powered systems. Fixed-frequency operation with optimal interleaving minimizes input ripple current from the lowest input voltages up to the 26V maximum input. Optimal 40/60 interleaving allows the input voltage to go down to 8.3V before duty-cycle overlap occurs, compared to 180° out-of-phase regulators where the duty-cycle overlap occurs when the input drops below 10V.

特性 Features

? Fixed-Frequency, Current-Mode Control

? 40/60 Optimal Interleaving

? Internal BST Switches

? Internal 5V, 100mA Linear Regulator

? Auxiliary Linear-Regulator Driver (12V or Adjustable Down to 1V)

? Dual Mode? Feedback—3.3V/5V Fixed or Adjustable Output Voltages

? 200kHz/300kHz/500kHz Switching Frequency

? Undervoltage and Thermal-Fault Protection

? Overvoltage-Fault Protection (MAX8744 Only)

? 6V to 26V Input Range

? 2V ±0.75 Reference Output

? Independent Enable Inputs and Power-Good Outputs

? Soft-Start and Soft-Shutdown (Voltage Ramp)

? 8μA (typ) Shutdown Current

Applications

??? Main Power Supplies

??? 2 to 4 Li+ Cell Battery-Powered Devices

??? Notebook and Subnotebook Computers

??? PDAs and Mobile Communicators

產(chǎn)品屬性

  • 產(chǎn)品編號:

    MAX8745ETJ+T

  • 制造商:

    Analog Devices Inc./Maxim Integrated

  • 類別:

    集成電路(IC) > 特殊用途穩(wěn)壓器

  • 包裝:

    卷帶(TR)

  • 應用:

    控制器,筆記本電腦電源系統(tǒng)

  • 電壓 - 輸入:

    6V ~ 26V

  • 輸出數(shù):

    4

  • 電壓 - 輸出:

    3.3V,5V,1V ~ 26V

  • 工作溫度:

    0°C ~ 85°C

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    32-WFQFN 裸露焊盤

  • 供應商器件封裝:

    32-TQFN(5x5)

  • 描述:

    IC CNTRLR PWR SUP QUAD 32TQFN

供應商 型號 品牌 批號 封裝 庫存 備注 價格
MAXIM/美信
24+
NA/
2822
優(yōu)勢代理渠道,原裝正品,可全系列訂貨開增值稅票
詢價
HITACHI
23+
QFP
12000
全新原裝假一賠十
詢價
MAXIM/美信
20+
TQFN
2500
原裝現(xiàn)貨支持BOM配單服務
詢價
MAXIM
2020+
DIP
4500
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可
詢價
MAXIM
23+
QFN
15
房間現(xiàn)貨
詢價
MAXIM
23+
DIP
9526
詢價
MAX
17+
DIP
9888
全新進口原裝,現(xiàn)貨庫存
詢價
MAXIM
25+
QFP
3200
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售!
詢價
MAX
98+
DIP8
4
原裝現(xiàn)貨海量庫存歡迎咨詢
詢價
MAXIM
23+
DIP-8
6500
絕對全新原裝!現(xiàn)貨!特價!請放心訂購!
詢價