Electronic Design

TRIAC-Controlled Power Supply Pre-Regulator Uses Optical Feedback

Fig 1. This efficient pre-regulator for a dc power supply uses an optical feedback loop to minimize dissipation rather than the traditional optically isolated TRIAC drivers. Fig 2. The PSpice ...
EDN

Low-Cost Electric Range Control Using a TRIAC

This application note describes a low-cost electric range control using TRIAC. This document covers the operation of mechanical thermostat and TRIAC operation. Triggering, phase control, zero-cross ...
EDN

Primary-Side–Control, TRIAC-Dimmable, Offline LED Controller

The MP4020 is a primary-side–control LED lighting controller with TRIAC dimming. Primary-side control can significantly simplify the LED lighting driving system by eliminating the opto-coupler and the ...
Electronic Design

Solid-State Triac Devices Replace Mechanical Relays In Power Switching Applications

Mechanical relays, contactors, and switches control the flow of electricity by the mechanical action of two conducting elements. The physical contact of two conducting elements creates a path for ...