[原创] IDT ZSLS7031隔离和非隔离反激LED驱动方案

IDT公司的ZSLS7031是带有有源PFC的隔离和非隔离反激LED驱动器,输入电压从85VAC到265VAC,集成了过压和过流保护以及热关断,功率因素大于0.95,具有最小化材料清单(BOM),工作温度-45°C到105°C,主要用在LED灯,LED灯和通用LED照明.本文介绍了ZSLS7031优势和主要特性,框图,典型应用电路以及演示板ZSLS7031KIT-D1主要特性,电路图,材料清单和PCB设计图.

The ZSLS7031 is a primary-side controlled, peak-current-mode high-brightness LED flyback driver that supports both isolated and non-isolated designs with active power factor correction (PFC).

The device works at a constant frequency in discontinuous conduction mode to provide con-stant power to the output. It eliminates the need for an opto-coupler, TL431 shunt regulator, or any other type of secondary-side feedback device. It operates from a wide input voltage range of 85VAC to 265VAC.

The ZSLS7031 integrates over-current and over-voltage protection, as well as a thermal shutdown to halt the switching action in the event of abnormally high operating temperatures.

ZSLS7031优势:

• High efficiency

• Minimum bill of materials

• Small form-factor package

• No loop compensation required

• Isolated and non-isolated applications

ZSLS7031主要特性:

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