This application note introduces an innovative solution to drive high brightness 1W LEDs (Light Emitting Diode), using VIPer22A-E in flyback configuration with output current control.
This document introduces an innovative solution for driving high brightness 1W LEDs using the VIPer22A-E controller in a flyback configuration with output current control. The proposed driver is designed to operate in the European voltage range (185-265 VAC) without modifications and can also be adapted for U.S. input voltages using an input voltage doubler. A new control technique allows for dimming the LED luminosity down to 10% of the maximum value.
| Input Voltage Range | 185-265 VAC |
|---|---|
| LED Array Size | 1 to 8 LEDs |
| Minimum Dimming Level | 10% |
| Controller Chip | VIPer22A-E |
It is suitable for landscape lighting, street lighting, car parks, bollards, garden lighting, and large area displays.
Yes, by means of an input voltage doubler, the same VIPer device can be used in the U.S. input voltage range.
The power supply is able to drive an array of up to 8 LEDs.