EDN

7 W Dim-to-Warm Buck-Boost LED Driver

This article describes a design example report of a 7 W dim-to-warm buck-boost LED driver utilizing the LYTSwitch-7 family of devices. It has an input range of 100 VAC to 132 VAC and an output current ...
EDN

12 W Non-Isolated Buck-Boost LED Driver

This is a design example report of a 12 W non-isolated, buck-boost technology, power factor corrected LED driver employing LinkSwitch™-PH LNK406EG intended to drive 6 V at 330 mA from an input voltage ...
Electronic Design

Building a Versatile LED Driver

Different topologies used in developing LED drivers. Proper connections for buck, boost, and buck-boost configurations. Test results for the three topologies using the same LED string. 3. This LTM8042 ...
Electronic Design

Low-EMI LED Driver Features Integrated Switches, Internal PWM Dimming

How a single LED driver can support buck, boost, and buck-boost topologies. Design details for each topology type. How such drivers work in automotive and machine-vision designs. The breadth of LED ...
Electronics Weekly

How to design LED streetlamp driver circuits

In many consumer applications for lighting the cost of existing technology – namely incandescent light bulbs or fluorescent tubes – is so low that LED lighting’s many advantages simply cannot make up ...
Electronics Weekly

Automotive LED driver can be boost, buck-boost or sepic

Aiming at powering LEDs in automotive applications, Taiwan Semiconductor has introduced a dc-dc controller chip that can be operated in boost, buck-boost and sepic topologies from rails between 4.5V ...