| 品牌：PL | 型号：PL3532 | 功率：30W |
| 针脚数：8 | 驱动芯片类型：LED |
DatasheetPL3532
V1.0漏2
1
Overview
PL3532isaprimary-side-regulation(PSR)andhighlyintegratedPWMcontrollerprovidingseveralfeaturestoenhancetheperformanceoflow-power
flyback
converters.
It
enables
preciseCC/CVregulationandsimplifieslowpowercharger/adaptordesignsbyeliminatingtheopto-couplerandsecondarycontrolcircuitry.Andverytightoutputvoltageandcurrentregulationisrealized.
Tominimizethestandbypowerconsumption,theproprietarymulti-modefunctionisutilized,andthismulti-modefunctionassiststhepowersupply
to
meet
the
power
conservation
requirements.
Comparedwiththeconventionalsecondarysideregulationapproach,PL3532couldreducesystemcost,componentcount,sizeandweight,whileincreasingtheefficiencyandsystemreliability.A
complete
set
of
integrated
protection
functionsallowsPL3532toprotectagainstallfaultconditionsincludingCycle-by-Cyclepeakcurrentlimiting,VDDUVLO,OVPandClamp.Thecontrollercontinuesattemptingstart-upuntilthefaultconditionisremoved.PL3532isofferedinSOT23-6package.
2
Features
锟�+/-5%ConstantVoltageRegulation锟紸ccurateConstantCurrentRegulationatUniversalACInput
锟紼liminationoftheOpto-couplerandallSecondaryCV/CCControlCircuitry锟紹uilt-inLineCompensationforTighterCCRegulation
锟紹uilt-inCompensationforTransformerInductanceTolerances
锟�
AdjustableOutputCableCompensation
锟紸daptiveMulti-modePWM/PFMControlforImprovingEfficiency锟絃owStart-upCurrent
锟紹uilt-inShortCircuitProtection锟絃EB锟絆CP锟絆VP锟絍DD-Clamp锟�
UVLO
