EC4215-Const. Current LED Driver With PWM Dimming

EC4215-Const. Current LED Driver With PWM Dimming
General description
The EC4215 is a constant current linear high voltage LED driver for replace discrete solutions in AC/DC power application (up to 270VAC). The device can drive an output power of ±10% variation from a universal input voltage range of 120VAC±16%, or 230VAC±16% for different LED strings. The solution eliminates the need of individual components by combining them into a single package, which results in a significant reduction of both system cost and board space. The EC4215 can as a constant current sink for high voltage LED or low voltage LED strings in series. For higher current application, multiple EC4215s can also be used in parallel such as 60mA, 80mA or 160mA. The EC4215 is capable of a dimming input for adjustable LED brightness control by Pulse Width Modulation (PWM). The EC4215 is self-protected against over temperature and over current. Internal thermal foldback function regulates LED driving current automatically to limit die temperature during high power operation or high ambient temperature conditions. These features provide maximum system protection for the demanding lighting applications. The EC4215 is available in a space saving DFN-8L exposed pad package, and the operating temperature is from –40°C to +125°C.

Features
• Universal Input Voltage Range of 120VAC±16% or 230VAC±16%

• Adjusted Constant Current Operation

• Low Quiescent Current

• Simplifies Circuit and System Designs

• Compact Component Count

• Temperature Compensated Constant Current

• Over Current Protection

• Over Temperature Protection

• LED Current Thermal Foldback for Thermal Protection

• PWM Dimming Control

• DFN-8LExposed Pad Package

Applications
• LED Driver

• Lighting Applications

• Lamp Indicators

• Candle Light

• Low Cost solution

• Constant Current Sink

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規格是死的,設計是活的
我們提供具有靈活彈性的客製化IC與模組設計

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