True color 3 w shoot single chip LED solar lamp driver solution

For true color under 3 w LED lamp applications, can consider to use silicon's 3 channel SN3396 LED constant current drive, it is especially designed for use from a voltage source is greater than the LED voltage effectively drive the RGB LED. The input voltage range of the chip is 6 v to 40 v, and provide external adjustable constant current output up to 350 ma.

the three channels independently controlled by PWM signal and each channel dimmer than can be as high as 1200:1. SN3396 contains a high side output current detection circuit, which USES an external resistor to set the nominal average output current. Each channel it only need three external components.

SN3396 main selling point include:

,

3 channel independent RGB control, peripheral components,

less per channel, up to 350 ma output current,

within 40 v, the power switch,

95%, the conversion efficiency of

1200:1 dimmer than

,

up to 1 MHZ switch frequency, inherent LED to protect open

shut off, overheating protection circuit, the output current typical accuracy of 5%

SN3396 typical application circuit is:

editor: China lighting network - wheat