LD7832A

LD7832A 4/17/2013 High Power Factor LED Controller with HV Start-up REV: 00 General Description The LD7832A is a buck solution with high PFC control for LED lighting. It features HV start-up, easy to design with minimum cost and PCB size. The device operates in transition(TM) mode and integrates with complete safety requirement protections. With HV start-up technology, high power factor and TM control, the system is enabled to achieve high PF and high efficiency to meet most of the international standard. The LD7832A also features LED open protection (OVP), LED short protection (ZCD UVP), over current protection (OCP), CS short protection (CSSP), open feedback protection and over temperature protection (OTP). It makes the circuit designers easily to meet most safety requirements in either normal or abnormal test. Features  Built-in 600V HV startup  High power factor controller integrated  High efficiency transition mode operation  Accurate current regulation  Wide rang...