电源ic,稳压ic,dc-dc as3113

features

drives up to 5 series white leds from 2.5v
drives up to 8 series white leds from 3.6v
up to 87% efficiency
1.2mhz fixed switching frequency
low 104mv feedback voltage
open load shutdown
soft start/pwm dimming
sot23-6

applications

cell phones
handheld computers and pdas
digital cameras
small lcd displays