OZ562使用及功能介绍.pdf

《OZ562使用及功能介绍.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、OZ562Two-ChannelHighPowerLEDDriverApril2013ProvidedbyO2MicroPage1PanelLighting==TVscreen?OZ562wasbornLEDDriverforPanelLightingWLLCDC/DCPFCConverterLEDCurrentOZ562OZ8023ACOZ9907Balance85~265VacorOZ9967OZ531/APrimarysideSecondarysideOZ562Application(Inductormode)F1R1C1FUSE47100p/400V21

2、VLED1VLED2D2D1400V,3AC2C8L1KBL60847u,200V47u,200VE24-+1VDCR5T1N34.7M110VLED+R6C3ACInputDevice10nF/1kV3100kSTR1J1C4100u/400V29R38R9MOSD31.8k1LED1-NTCR104.7MAUX41WC1710k0.1uF/200vD4R361STR2FR10710k5500mWD7R13D6D5200VL110k1N4148R111N414854:13:29470uH4.7MR14Q421LED2-Q11472N5830C185N602VD

3、DTO92-30.1uF/200vCY1ZD2GATEDRV3QSNU1nF/100V1R1512V12VDC551RD91N4148D8L2U12R16200V470uH4GNDVINS1VINSC9400R17100p/650VopenVoltageregulatorQ222GATE81A,250VFBHVFB6VDDR2VDD2003CS2CSNCCS7R21D101N4148C100C11+15nOZ531R230.1uFC12C140.5Q3100p22uF/50VR7DRV21A,250VR82.2/1210R31kC21200VLED12VDC12

4、VDCopenU22FBR27C1516VCCDRV11C191kR18C22R26R24220p2.2/121001k2.2u,25V15STATUSDRV22DRV2open143U3R25RTGND41ISEN1240kR2913VREFISEN14C20220pR20NCR19125ISEN251kADJFISEN210kC13116VSENADIM322.2u,25V1071ADIMCMPOPWM1R35C16R289ENAPWM281k0.01uF10kPWM11PWM1R30R3313.7kOZ5621kPWM21PWM2R34Note:1k1EN

5、AR22VLEDrange46V~80V1kLEDcurrentrange:450mA~45mA(ADIMcontrol3V~0.3V)Page4FeaturesSwitch-modeBuckregulatorcontrollerfor1or2stringsofLEDsBuckregulator:averageinductor-currentmodeorinductor-lessmode[O2-IP,ex.US8,237,379;US8,253,352;etc.….]Integratesshuntregulator(eliminatesexternalTL

6、431circuitry)reducessystemdesigncostOptimizesefficiency–DCvoltageforLEDsisadaptivelycontrolledtomaximizeBuckconverterefficiency[O2-IPrefertoDS]Option:user-friendly,canpassthefeature>100:1individualPWMdimmingcontrol(sufficient?Let’sdiscuss)10:1analogdimmingcontrolforbothchannelsO

7、Z562protections---SCP/OCP:LEDshortcircuit/Overcurrentprotection---OLP:OpenLEDstringprotection---UVP:VREFundervoltageprotection---OTP:ICovertemperatureprotectionPage5Efficiency1.Efficiencymeasurement:ADIM(V)Vin(V)Iin(A)Pin(W)VLED1(V)ILED1(mA)VLED2(V)ILED2(mA)Pout(W)Efficiency(%)3690.7

8、5552.09553.5