大功率LED照明恒流驱动方案介绍[1]

@xlsemi.com1LEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLEDLED10W~[e-mail]210W~[e-mail][e-mail][e-mail]5LEDXL4001LEDCIN220uF/50VL256uH/2ACOUT220uF/50VD2SS347,8541,2VINFBSWGNDVinVOUT=1.235*(1+R2/R1)XL40013C1105RcsIcharge=0.155/Rcs6CSENC2105LED+LED-U1LEDUnLEDR1R2CFF33nFXL4001150KHzPWMDC-DC2ALEDLEDCCOVPCCRCSLEDLED0.155VPWMRCSI=0.155V/RCS,RCS0.155VOVP[e-mail]6ENEN0.8VEN1.4VXL6002XL41011LED2ICCCOVPPWM3XL400140V150KLEDEMICIN220uF/50VL256uH/2ACOUT220uF/50VD2SS347,8541,2VINFBSWGNDVinVOUT=1.235*(1+R2/R1)XL40013C1105RcsIcharge=0.155/[e-mail]7CIN220uF/50VL156uH/3ACOUT220uF/50VD2SS341542VINPWMDIMMINGSWGNDVinVOUT=1.235*(1+R2/R1)XL60023C1105RcsIcharge=0.155/[e-mail]8CIN220uF/50VL156uH/3ACOUT220uF/50VD2SS341542VINFBSWGNDVinVOUT=1.235*(1+R2/R1)XL41013C1105RcsIcharge=0.155/[e-mail]9XL4003+358LEDAR1LM358R51KR66.8KCIN470uF/50VC1105L133uH/5ACOUT470uF/50VD1SK54054213VINFBSWVinXL4003C1105RcsU1-11WLEDU2-11WLEDU7-11WLEDC3105D2IN5819PWMU1-n1WLEDU2-n1WLEDU7-n1WLEDD3R13KD210VRcsGNDENXL4003300KHzPWMDC-DC4ALEDCCRCSLEDLEDVFB=0.8VPWM3588VFB=VCS*1+R6/R5R6R5VCS=0.1VI=0.1V/RCS,RCS0[e-mail]10PWM100Hz-500HzENEN1.4VEN0.8VXL4005XL4012123420V-30V50W90%AR1LM358R51KR66.8KCIN470uF/50VC1105L133uH/5ACOUT470uF/50VD1SK54054213VINFBSWVinXL4003C1105RcsU1-11WLEDU2-11WLEDU7-11WLEDC3105D2IN5819PWMU[e-mail]11AR1LM358R51KR66.8KCIN470uF/50VC1105L147uH/5ACOUT470uF/50VD1SK54054213VINFBSWVinXL4005C1105RcsU1-11WLEDU2-11WLEDU7-11WLEDC3105D2IN5819PWMU[e-mail]12AR1LM358R51KR66.8KCIN470uF/50VC1105L147uH/12ACOUT470uF/50VD1SK54054213VINFBSWVinXL4012C1105RcsU1-11WLEDU2-11WLEDU7-11WLEDC3105D2IN5819PWMU[e-mail]13LEDXL6003LED+CIN100uF/50VD1SS36L133uH/2A+COUT100uF/50VXL600325,637,8VINSWFBGNDEN1VINRcs0.68ΩSeries1WLEDPWMDimmingD11WLEDD21WLEDDn1WLEDIload=0.22/RcsD1R11KD2IN5819PWMDimmingC1105C2105XL6003400KHzPWMDC-DC2ALEDLEDCCCCRCSLEDLED0.22VPWMRCSI=0.22V/RCS,[e-mail]14PWM100Hz-300HzFBPWM1V0.3VXL6004XL60051LED23+CIN100uF/50VD1SS36L133uH/2A+COUT100uF/50VXL600325,637,8VINSWFBGNDEN1VINRcs0.68ΩSeries1WLEDPWMDimmingD11WLEDD21WLEDDn1WLEDIload=0.22/RcsD1R11K[e-mail]15+CIN100uF/50VD1SS36L156uH/2A+COUT100uF/50VXL60044351VINSWFBGNDENVINRcs0.68ΩSeries1WLEDPWMDimmingD11WLEDD21WLEDDn1WLEDIload=0.22/[e-mail]16+CIN220uF/50VD1SS36L1150uH/3A+COUT220uF/50VXL60054351VINSWFBGNDENVINRcs0.68ΩSeries1WLEDPWMDimmingD11WLEDD21WLEDDn1WLEDIload=0.22/[e-mail][e-mail]18XL6009+358LEDAR1LM358R21KR312KC3105CIN100uF/50VL1100uH/5ACOUT220uF/50VD1B5442315VINSWFBVINXL6009Icharge=Vref/RcsRcsD11WLEDD21WLEDDn1WLEDGNDEND2R13KD310VVFB=Vref(1+R3/R2)D4IN5819PWMDIMMINGC1105C2105XL6009400KHzPWMDC-DC4ALEDCCRCSLEDLEDVFB=1.25VPWM35813.2VFB=VCS*1+R6/R5R6R5VCS=0.095VI=0.095V/RCSRCS0.095VOVPD2R2R5R6O[e-mail]19EN0.8VXL6010XL60111LED23AR1LM358R21KR312KC3105CIN100uF/50VL1100uH/5ACOUT220uF/50VD1B5442315VINSWFBVINXL6009Icharge=Vref/RcsRcsD11WLEDD21WLEDDn1WLEDGNDEND2R13KD310VVFB=Vref(1+R3/R2)[e-mail]20AR1LM358R21KR312KC3105CIN220uF/50VL1100uH/5ACOUT220uF/50VD1B5442315VINSWFBVINXL6010Icharge=Vref/RcsRcsD11WLEDD21WLEDDn1WLEDGNDEND2R13KD310VVFB=Vref(1+R3/R2)[e-mail]21AR1LM358R21KR312KC3105CIN220uF/50VL1120uH/5ACOUT1000uF/50VD1MBR154542315VINSWFBVINXL6011Icharge=Vref/RcsRcsD11WLEDD21WLEDDn1WLEDGNDEND2R13KD310VVFB=Vref(1+R3/R2)[e-mail][e-mail]23LEDXL4001LEDCIN100uF/50VL222uH/2ACout220uF/50VD1SS347,8541,2VINFBSWGNDVinOVP=1.235*(1+R2/R1)XL40013RcsIcharge=0.155/Rcs6CSENLED+LED-R1CFF33nFR2D1LED1DnLED1D2IN5819PWMDimmingXL4001150KHzPWMDC-DC2ALEDLEDCCOVPCCRCSLEDLED0.155VPWMRCSI=0.155V/RCSRCS0.155VOVPR1R2OVP10%CCCCOVP