EDN

14 W PWM-Analog Dimmable LED Driver

This is a design example report of a 14 W PWM-analog dimmable LED driver employing LinkSwitch™-PH LNK406EG. This design features high efficiency, power factor correction, low component count, and ...
Design-Reuse

Digital circuits make analog array configurable

When the world's first commercially available audio product using a digital amplifier appeared in 1998, it created quite a stir with its performance and ease of use. Digital amplifiers provide several ...
EDN

Tracking preregulator boosts efficiency of PWM power DAC

This design idea revisits another: “PWM power DAC incorporates an LM317.” Like the earlier circuit, this one implements a power DAC by integrating an LM317 positive regulator into a mostly passive PWM ...
Electronic Design

Using Unfiltered PWM to Drive High-Power Resistive Loads

How to use unfiltered PWM to drive high power loads. How to properly set the PWM duty cycle for high power loads. How to drive an incandescent lamp using PWM. Sometimes it’s necessary to drive a ...