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變流、電壓變換、逆變電路
低轉(zhuǎn)換系數(shù)的電壓 頻率轉(zhuǎn)換器電路圖
低轉(zhuǎn)換系數(shù)的電壓 頻率轉(zhuǎn)換器電路圖...
2009-05-18 標(biāo)簽：電路圖 661
電壓型逆變器集成電路形式高效軌道器-Voltage-Inve
A switched-capacitor voltage inverter configured as a "rail splitter" (IC1 in Figure 1) provides a bipolar (dual-rail) local power supply that is useful in single-rail systems featuring one or more dual-rail ICs. Moreover, the tiny SOT-23 ...
2009-05-04 標(biāo)簽：逆變器 852
高效率升壓轉(zhuǎn)換器提供24V的終端-High-Efficien
Data terminal equipment (DTE), such as wireless LAN and wireless local loop, may require data and power on the same cable. A high voltage power source of 24V is required to reduce the voltage drop in the cable. Isolation is provide...
2009-05-04 標(biāo)簽：轉(zhuǎn)換器 829
高效率升壓轉(zhuǎn)換器提供48V的IP電話(huà)-High-Effici
IP phones require that data and power on the same cable. A high voltage power source of 48V is required, to reduce the voltage drop in the cable. This application note describes a DC-DC step-up converter that can deliver the required 48V s...
2009-05-04 標(biāo)簽：轉(zhuǎn)換器 1111
MAX5073雙通道降壓轉(zhuǎn)換器工作于2MHz開(kāi)關(guān)頻率的參考設(shè)
摘要：MAX5073是一款可工作于降壓或升壓模式的雙路轉(zhuǎn)換器。作為雙路降壓轉(zhuǎn)換器工作時(shí)，該器件兩路輸出可分別提供高達(dá)2A和1A的輸出電流。該參考設(shè)計(jì)主要說(shuō)明MAX5073作為降壓轉(zhuǎn)換...
A Smart Solid-State Fuse Cures
The majority of asynchronous, inductor-based boost converters (the step-up switching types) exhibit a DC-current path between power source and load (Figure 1). This path can have two undesirable consequences: First, if a grounded output or...
2009-04-30 標(biāo)簽：Converter 1457
數(shù)模轉(zhuǎn)換器應(yīng)用-Force/Sense DAC Applic
Abstract: This article discusses application circuits for Maxim force/sense digital-to-analog converters (DACs). Applications include: selectable fixed-gain DAC, programmable gain DAC, photodiode bias control, amperometric sensor control, ...
2009-04-28 標(biāo)簽：轉(zhuǎn)換器 1810
集成RF混頻器與無(wú)源混頻器方案的性能比較
摘要：本應(yīng)用筆記比較了集成RF混頻器與無(wú)源混頻器方案的整體性能，論述了兩種方案的主要特征，并指出集成方案相對(duì)于無(wú)源方案的主要優(yōu)點(diǎn)。 過(guò)去，RF研發(fā)人員在高...
2009-04-25 標(biāo)簽：混頻器 1036
副邊變壓器端接提升高速ADC的增益平坦度
摘要：本應(yīng)用筆記描述了變壓器原邊端接和副邊端接的區(qū)別，通常用于前置高速模/數(shù)轉(zhuǎn)換器(ADC)的信號(hào)調(diào)理鏈路。本文詳細(xì)說(shuō)明了在較高中頻(IF)的應(yīng)用中，兩種端接對(duì)高速ADC增益平...
2009-04-25 標(biāo)簽：變壓器 644
待機(jī)電流小于3µA的RS-422中繼器
摘要：RS-422接口是嘈雜環(huán)境和遠(yuǎn)距離通信的優(yōu)選方案。但是，當(dāng)距離超出RS-422的可靠傳輸能力時(shí)，就必須增加中繼器。圖1所示中繼電路僅從3V電源消耗3µA的電流，沒(méi)有主電源時(shí)...
2009-04-24 標(biāo)簽：中繼器 1541
邏輯電平轉(zhuǎn)換
摘要：邏輯電平轉(zhuǎn)換技術(shù)及其缺陷—Maxim的解決方案。 對(duì)邏輯電平轉(zhuǎn)換的需求越來(lái)越多的數(shù)字IC采用與以往不兼容的電源電壓、更低的VDD、或者VCORE和VI/O不同的...
Boost Converter Yields Orderly
Some microprocessor (µP) systems require more time for shutdown than is provided by conventional circuits for power-fail detection. Between first warning and the actual loss of power, such systems have extensive "housekeeping" tasks ...
2009-04-23 標(biāo)簽：Converter 1694
高效DC-DC轉(zhuǎn)換器，占用面積等同于LDO
摘要：開(kāi)關(guān)調(diào)節(jié)器能夠取代LDO (低壓差線(xiàn)性穩(wěn)壓器)從3.3V輸入產(chǎn)生1.5V/3A輸出。與LDO 45%的效率相比，開(kāi)關(guān)調(diào)節(jié)器能夠提供效率高達(dá)87%的更環(huán)保的“綠色”設(shè)計(jì)。現(xiàn)有的LDO設(shè)計(jì)中電路板...
2009-04-21 標(biāo)簽：轉(zhuǎn)換器 965
IC驅(qū)動(dòng)多達(dá)四個(gè)單線(xiàn)圈鎖定繼電器
摘要：?jiǎn)尉€(xiàn)圈鎖定繼電器在信號(hào)路由、音頻、汽車(chē)系統(tǒng)類(lèi)的應(yīng)用中經(jīng)常被使用。由于線(xiàn)圈電流需要在同一個(gè)線(xiàn)圈中雙向傳輸，因此在繼電器的兩個(gè)狀態(tài)間對(duì)其進(jìn)行驅(qū)動(dòng)成為一個(gè)設(shè)計(jì)...
2009-04-20 標(biāo)簽：繼電器 1335
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