Kingbor Technology Co.,Ltd
KB4313
TEL:(86)0755-26508846 FAX:(86)0755-26509052
High Efficiency, Constant Current
12 Watt Boost White-LED Driver
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs. Vin (3 LED)
L:SR0302 D:RB501-40
Efficiency vs. Vin (4 LED)
L:SR0302 D:RB501-40
ˌˇ
ˌ˅
ˌ˃
ˋˋ
ˋˉ
ˋˇ
ˋ˅
ˋ˃
ˌˇ
ˌ˅
ˌ˃
ˋˋ
ˋˉ
ˋˇ
ˋ˅
ˋ˃
ˊˋ
ˊˉ
˜̂ː˄˃˃̀˔ʿʳ˟ː˅˅̈˛
˜̂ː˄˃˃̀˔ʿʳ˟ː˅˅̈˛
˜̂ː˄˃˃̀˔ʿʳ˟ː˄˃̈˛
˜̂ː˄˃˃̀˔ʿ˟ːˉˁˋ̈˛
˜̂ː˄˃˃̀˔ʿʳ˟ː˄˃̈˛
˜̂ː˄˃˃̀˔ʿ˟ːˉˁˋ̈˛
˅
ˆ
ˇ
ˈ
ˉ
˅
ˆ
ˇ
ˈ
ˉ
Vin (V)
Vin (V)
CH1:LX CH3:VOUT Ripple CH4:ILX
Conversion Efficiency
L:SR0302 D:RB501-40
˄˃˃
ˌˈ
ˌ˃
ˋˈ
ˋ˃
ˊˈ
ˊ˃
ˇ˟˘˗̆ʿʳ˟ː˅˅̈˛ʿ˩˼́ːˆ˩
ˆ˟˘˗̆ʿ˟ː˅˅̈˛ʿ˩˼́ːˆ˩
ˈ˃
ˉ˃
ˊ˃
ˋ˃
ˌ˃
˄˃˃
LED CURRENT(mA)
Switching Transient Waveform
CH1:EN
CH3:FB
CH1:EN CH3:FB CH4:IIN
PWM Dimming Control Using the EN Pin
Start-Up Waveform
REV: 2.0
4
KINGBOR [ KINGBOR TECHNOLOGY CO ]
