AN2067 VIPower：可调白光LED电源与VIPer53

AN2067 VIPower：可调白光LED电源与VIPer53

AN2067
APPLICATION NOTE
VIPower: DIMMABLE WHITE LEDS
POWER SUPPLY WITH VIPer53

In the same way that LED manufacturers succeed need for higher efficiency and reduced space
to realize blue LEDs, they now propose white thanks to a lower power dissipation.
LEDs inside a monolithic chip, or so called “single-
chip white” LEDs. 1.1. General features
A current source is the more appropriate way to The block diagram is given on Figure 1. An
drive LEDs. For a maximum of flexibility, a large a