The November issue of Power Electronics Technology, pp. 18-23 (www.powerelectronics.com) presents a comparison of methods for dimming LEDs. The methods are divided into analog and PWM for discussion.
Here is a comparison table from that article: View attachment 24786
Unfortunately, the on-line version is still the Ocober issue.
John
Here is a comparison table from that article: View attachment 24786
Unfortunately, the on-line version is still the Ocober issue.
John