LED driver IC for bulb and tube LED lamps
Holtek has released its new HT7L4811 non-isolation buck type AC-DC converter device specifically designed for applications such as tube, bulb and general lighting etc.
HT7L4811 offers high power factor, giving values of PF>0.9 and can operate in a boundary conduction mode which can reduce system switching losses and improve EMI characteristics.
Protection functions include output short protection, cycle by cycle current limit, output over voltage Protection, over voltage and over temperature protection etc. HT7L4811 available in a SOT-23-6 package.