Second version
QX9920
LED IC QX9920
QX9920 , LED IC,, off-time ,, , LED 。
QX9920 off-time , 2.5MHz, 、,。
EN PWM , LED 。
, LED , LED , LED 1 。
LED , 10mA 1A :90% :4.5V~24V :500KHz~2.5MHz LED :LED 1 LED PWM : EN , LED
SOT-23-6
+12V/24V LED RGB LED LED LED
V IN
L
Zener D iode 5V -5.5V
Roff Coff
VDD
Bandgap
QX9920
TOFF...