EDN

Implement an AC-switch triggering circuit using an optical Triac

Several different technologies and designs are available among solid-state switches today. The major families are the standard Triacs (triode for alternating current), the snubberless Triacs, and the ...
EDN

Low-Cost Electric Range Control Using a Triac

This application note will describe a low-cost microcontroller-based replacement for the mechanical thermostat which eliminates these drawbacks. The PIC10F204, Microchip’s 6-pin PICmicro® ...
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 ...
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 ...