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产品详情
简单介绍:
上海图一推出一款固定工作频率、恒定电流、升压DC/DC转换器——XC9116。XC9116产品可用于驱动为包括PDA、手机和数码相机在内的各种手持设备的LCD提供背光的白光LED。 XC9116的输入电压范围为2.5V至6.0V,输出电压高达17.5V。因此,输入2.5V电压,XC9116产品可串联驱动4个LED,输入3.2V电压,则可驱动2串,每串3个的LED。通过改变应用于该器件CE引脚上的1
详情介绍:
! Suitable for White LED Backlight Driver Applications !
APPLICATIONS
! Four White LEDs can be driven in series " For White LED
Drivers
! Can be configured to drive two parallel legs # Mobile phones,
PHS
with 3 LEDs per leg # PDAs
! Illumination control by 10kHz PWM signal # Digital still
cameras
! Input Voltage Range 2.5V ~ 6.0V
! Output Voltage 17.5V (MAX.)
! Oscillation Frequency 1.0MHz
! High Efficiency 88%
! Lx Overvoltage Limit XC9116B type (Under development)
! Ultra Small Packages SOT-25, USP-6B