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让节能灯具面向未来:ST推出低失真高压LED驱动器
让节能灯具面向未来:ST推出低失真高压LED驱动器
网络整理
2019-09-18 11:14:57
372
Related Key Words:
ST 高压LED驱动器 HVLED007
意法半导体发布HVLED007 AC/DC LED驱动器,采用新的失真抑制输入电流整形(ICS)电路,使节能型固态灯具符合日益严格的照明规定。
HVLED007是一个峰值电流模式
PFC控制器
,为隔离式高功率因数准谐振
反激式转换器
专门设计,ICS电路确保
电网
输入电流是真正的正弦交变电流,在整个负载和输入电压范围内,输入电流总谐波失真(THD)极低,在满负荷时低于5%。功率因数接近1,最高能效高于90%,HVLED007允许设计人员仅用一个控制IC驱动多个高达80W的中高功率LED照明灯具。
HVLED007完善了意法半导体的HVLED系列直接用电网整流电源驱动LED灯具的数字IC产品。HV
LED驱动器集成
先进的功能,支持经济的原边稳压功能,可降低材料成本
和电
路尺寸,同时提高系统可靠性和照明性能。
HVLED007的最低工作温度为-40°C,可用于路灯等室外照明以及室内照明。图腾柱输出级源出电流600mA,灌入电流800mA,除了照明应用外,HVLED007还可用于高达100W的EN61000-3-2标准开关式电源。芯片内置保护功能包括短路保护、过载保护和过压保护。
HVLED007现已投产,采用符合行业标准的SO8小型封装。
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