iW3620数据手册集成电路（IC）的LED驱动器规格书PDF

描述 Description

The iW3620 is a high-performance AC/DC power supply controller for applications up to 40W of output power, optimized for driving LEDs from an AC supply voltage. Designed to operate from a universal input voltage range of 85VAC to 264VAC, the iW3620 can be used across all voltage standards worldwide.

The iW3620 uses Renesas' proprietary PrimAccurate™ primary-side control technology, minimizing the external component count by removing the need for both the traditional opto-isolator and external compensation components, reducing solution size and cost. The device operates in quasi-resonant mode in order to optimize efficiency at heavy loads and uses pulse-by-pulse waveform analysis to offer loop response characteristics superior to traditional offline solutions. The iW3620 is fully protected and incorporates Renesas' EZ-EMI® technology to facilitate EMI management in the end application, giving the end-user an easy-to-design and robust solution for solid-state lighting.

特性 Features

• PrimAccurate™ - Isolated Offline AC/DC Controller
• EZ-EMI Design to Easily Meet Global EMI Specifications
• Ideal for Offline LED Applications up to 40W
• Universal Input Power Supply Range - 85VAC to 264VAC
• Up to 130kHz Switching Frequency, Enables Small Adapters
• Quasi-resonant Mode for Optimal Efficiency
• Low 10µA Start-Up Current
• Programmable Over-temperature Protection - External NTC Thermistor
• Built-in Output Overvoltage Protection
• Sense Resistor Short Circuit Protection
• Open Circuit Protection

应用 Application

• Solid-State Lighting
• 40W LED Luminaires