变流、电压变换、逆变电路
电压型逆变器集成电路形式高效轨道器-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 ...
2009-05-04 852
高效率升压转换器提供24V的终端-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...
2009-05-04 829
高效率升压转换器提供48V的IP电话-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 1111
MAX5073双通道降压转换器工作于2MHz开关频率的参考设
摘要：MAX5073是一款可工作于降压或升压模式的双路转换器。作为双路降压转换器工作时，该器件两路输出可分别提供高达2A和1A的输出电流。该参考设计主要说明MAX5073作为降压转换...
2009-05-02 1584
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 1457
数模转换器应用-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 1810
集成RF混频器与无源混频器方案的性能比较
摘要：本应用笔记比较了集成RF混频器与无源混频器方案的整体性能，论述了两种方案的主要特征，并指出集成方案相对于无源方案的主要优点。 过去，RF研发人员在高...
2009-04-25 1036
副边变压器端接提升高速ADC的增益平坦度
摘要：本应用笔记描述了变压器原边端接和副边端接的区别，通常用于前置高速模/数转换器(ADC)的信号调理链路。本文详细说明了在较高中频(IF)的应用中，两种端接对高速ADC增益平...
2009-04-25 644
待机电流小于3µA的RS-422中继器
摘要：RS-422接口是嘈杂环境和远距离通信的优选方案。但是，当距离超出RS-422的可靠传输能力时，就必须增加中继器。图1所示中继电路仅从3V电源消耗3µA的电流，没有主电源时...
2009-04-24 1541
逻辑电平转换
摘要：逻辑电平转换技术及其缺陷—Maxim的解决方案。 对逻辑电平转换的需求越来越多的数字IC采用与以往不兼容的电源电压、更低的VDD、或者VCORE和VI/O不同的...
2009-04-23 3726
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 1694
高效DC-DC转换器，占用面积等同于LDO
摘要：开关调节器能够取代LDO (低压差线性稳压器)从3.3V输入产生1.5V/3A输出。与LDO 45%的效率相比，开关调节器能够提供效率高达87%的更环保的“绿色”设计。现有的LDO设计中电路板...
2009-04-21 965
IC驱动多达四个单线圈锁定继电器
摘要：单线圈锁定继电器在信号路由、音频、汽车系统类的应用中经常被使用。由于线圈电流需要在同一个线圈中双向传输，因此在继电器的两个状态间对其进行驱动成为一个设计...
2009-04-20 1335
编辑推荐厂商产品技术软件/工具OS/语言教程专题
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| DuerOS | Brillo | Windows11 | HarmonyOS |
