Tracking/Sequencing Triple/Quintuple Power-Supply Controllers

General Description The MAX1964/MAX1965 power-supply controllers are designed to address cost-sensitive applications demanding voltage sequencing/tracking, such as cable modem consumer premise equipment (CPE), xDSL CPE, and set-top boxes. Operating off a low-cost, unregulated DC supply (such as a

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MAXIM

美信

三/五路電源控制器，提供跟蹤/排序功能

MAX1964/MAX1965電源控制器設(shè)計(jì)面向于那些要求電壓排序/跟蹤功能、且成本敏感的應(yīng)用，如線纜調(diào)制解調(diào)器用戶端設(shè)備(CPE)、xDSL CPE和機(jī)頂盒。工作于低成本、非穩(wěn)壓的DC電源(比如交流適配器輸出)，MAX1964有三路正電源輸出，MAX1965有4路正電源輸出和一路負(fù)電源輸出，提供了一組低成本的系統(tǒng)電源。\n MAX1964包含一個(gè)電流型同步降壓控制器和兩個(gè)正電源穩(wěn)壓增益單元，而MAX1965還包括另一個(gè)正電源增益和一個(gè)負(fù)電源增益單元。主同步降壓控制器產(chǎn)生大電流的3.3V預(yù)置輸出或由外部電阻分壓器設(shè)定、1.236V至0.75 x VIN的可調(diào)輸出。200kHz的開關(guān)頻率允許使用 \n? 4.5V至28V的輸入電壓范圍 \n? 主DC-DC降壓轉(zhuǎn)換器： \n? 預(yù)置3.3V或可調(diào)的輸出電壓(1.236V至0.75 x VIN) \n? 固定頻率(200kHz) PWM控制器 \n? 無需檢流電阻 \n? 可調(diào)限流 \n? 95%效率 \n? 軟啟 \n? 兩個(gè)(MAX1964)/四個(gè)(MAX1965)模擬增益單元： \n? 正電源模擬單元驅(qū)動(dòng)低成本PNP調(diào)整管，構(gòu)建正電源線性穩(wěn)壓器 \n? 負(fù)電源模擬單元(MAX1965)驅(qū)動(dòng)低成本NPN調(diào)整管，構(gòu)建負(fù)電源線性穩(wěn)壓器 \n? 電源就緒指示 \n? 電壓排序(MAX1964)或跟蹤特性(MAX1965);

ADI

亞德諾

Tracking/Sequencing Triple/Quintuple Power-Supply Controllers

General Description The MAX1964/MAX1965 power-supply controllers are designed to address cost-sensitive applications demanding voltage sequencing/tracking, such as cable modem consumer premise equipment (CPE), xDSL CPE, and set-top boxes. Operating off a low-cost, unregulated DC supply (such as a

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MAXIM

美信

MONOLITHIC MICROWAVE SURFACE MOUNT VARACTOR DIODES

DESCRIPTION The MPV series of surface mount Varactor diodes utilizes a unique new monolithic fabrication technology. This technology employs package / device integration accomplished at the wafer fabrication level. Since the cathode and anode interconnections utilize precision photolithographic

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MICROSEMI

美高森美

VARACTOR DIODES Surface Mount MMSM Varactors

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MICROSEMI

美高森美

Integrated Circuit Negative, 3-Terminal Voltage Regulator

Description: The NTE1961 through NTE1977 series of monolithic 3–terminal negative voltage regulators employ internal current limiting, thermal shut–down, and safe–area compensation in an isolated TO220 type package making them essentially indestrucible. If adequate heat sinking is provided, the

文件：29.83 Kbytes 頁數(shù)：3 Pages

NTE