Many applications require current sources rather than voltage sources. When you need a high-current source, using a linear regulator is inadvisable, b...
分类：
其他好文 时间：
2014-11-28 15:42:19
阅读次数：
142
Figure 1shows a simple, stand-alone overvoltage detector. The intent of the circuit is to monitor a voltage, VMONITOR, and set the output, VOUT, high ...
分类：
其他好文 时间：
2014-11-28 15:40:19
阅读次数：
237
The classic LM317 adjustable-output linear voltage regulator offers a relatively high, if package-dependent, current-handling capability. In addition,...
分类：
其他好文 时间：
2014-11-28 14:23:13
阅读次数：
177
In new mixed-voltage systems, it is often necessary to level-shift a control signal from a high level to a low level. An open-drain device, such as th...
分类：
其他好文 时间：
2014-11-28 14:16:23
阅读次数：
206
The popular USB interface can charge a portable device while transferring data. But for high-capacity batteries, the 500-mA output current of USB host...
分类：
其他好文 时间：
2014-11-28 14:12:33
阅读次数：
169
Low-ripple-voltage positive-to-negative dc/dc converters find use in many of today's high- frequency and noise-sensitive disk drives, battery-powered ...
分类：
其他好文 时间：
2014-11-28 14:08:43
阅读次数：
251
This Design Idea stems from the limited availability of IC voltage regulators that can meet key USB-power specs, coupled with the need for turn-on seq...
分类：
其他好文 时间：
2014-11-28 14:04:34
阅读次数：
162
Voltage-regulator design for high output currents can be a critical and difficult task. Although voltage regulators with 1A maximum output current are...
分类：
其他好文 时间：
2014-11-28 14:02:24
阅读次数：
133
Synchronous buck regulators offer high efficiency and are popular in applications in which available input voltages are 12V or less. However, as input...
分类：
其他好文 时间：
2014-11-28 13:59:48
阅读次数：
203
Most isolated, offline SMPSs (switched-mode power supplies), including flyback, forward, and resonant, must operate at input voltages of 90 to 260V rm...
分类：
其他好文 时间：
2014-11-28 11:41:42
阅读次数：
145
