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MAX8744ETJ+集成電路(IC)的特殊用途穩(wěn)壓器規(guī)格書PDF中文資料

廠商型號 |
MAX8744ETJ+ |
參數(shù)屬性 | MAX8744ETJ+ 封裝/外殼為32-WFQFN 裸露焊盤;包裝為管件;類別為集成電路(IC)的特殊用途穩(wěn)壓器;MAX8744ETJ+應(yīng)用范圍:控制器,筆記本電腦電源系統(tǒng);產(chǎn)品描述:IC REG CTRLR NOTEBK 4OUT 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 頁 |
生產(chǎn)廠商 | Maxim Integrated Products |
企業(yè)簡稱 |
Maxim【美信】 |
中文名稱 | 美信半導(dǎo)體官網(wǎng) |
原廠標識 | ![]() |
數(shù)據(jù)手冊 | |
更新時間 | 2025-5-4 17:30:00 |
人工找貨 | MAX8744ETJ+價格和庫存,歡迎聯(lián)系客服免費人工找貨 |
MAX8744ETJ+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.
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:
MAX8744ETJ+
- 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:
管件
- 應(yīng)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:
-40°C ~ 85°C
- 安裝類型:
表面貼裝型
- 封裝/外殼:
32-WFQFN 裸露焊盤
- 供應(yīng)商器件封裝:
32-TQFN(5x5)
- 描述:
IC REG CTRLR NOTEBK 4OUT 32TQFN
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
MAXIM/美信 |
20+ |
TQFN |
2500 |
原裝現(xiàn)貨支持BOM配單服務(wù) |
詢價 | ||
MAXIM/美信 |
24+ |
TQFN32 |
880000 |
明嘉萊只做原裝正品現(xiàn)貨 |
詢價 | ||
MAXIM |
22+ |
QFN |
3000 |
原裝正品,支持實單 |
詢價 | ||
MAXIM |
23+ |
QFN |
4500 |
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售! |
詢價 | ||
MAXIM |
19+ |
QFN32 |
256800 |
原廠代理渠道,每一顆芯片都可追溯原廠; |
詢價 | ||
MAXIM/美信 |
2402+ |
TQFN-32 |
8324 |
原裝正品!實單價優(yōu)! |
詢價 | ||
MAXIM |
22+ |
QFN-32 |
8200 |
原裝現(xiàn)貨庫存.價格優(yōu)勢!! |
詢價 | ||
MAXIM/美信 |
22+ |
QFN32 |
9000 |
原裝正品 |
詢價 | ||
Maxim(美信) |
23+ |
標準封裝 |
6000 |
原廠原裝現(xiàn)貨訂貨價格優(yōu)勢終端BOM表可配單提供樣品 |
詢價 | ||
MAXIM |
17+ |
QFN32 |
6200 |
100%原裝正品現(xiàn)貨 |
詢價 |