NCL30088中文资料LED 驱动器，用于 LED 照明的功率因数校正准谐振初级侧电流模式控制器数据手册ONSEMI规格书

描述 Description

NCL30088是一款AC-DC功率因数校正的反激控制器，用于隔离和非隔离降压-升压/SEPIC恒流LED驱动器。该控制器采用准谐振模式以提供极佳能效。由于新颖的控制方法，该器件能严格对初级端LED电流进行稳流。这省去了次级端反馈电路、偏置和光耦。这器件集成度高，所需外部元件数极少。内置一系列强固的保护特性以简化设计。该器件特别适用于非常紧凑的高能效设计。

特性 Features

• Constant Current Control with Primary Side Feedback
• No Optocoupler or secondary control circuitry required
• Precise Current Regulation Accuracy
• No need for binning of LEDs or production trimming for accuracy
• Power Factor Correction with low harmonic distortion
• Exceeds industry requirements for lighting
• Line Feedforward for Enhanced Regulation Accuracy
• Supports universal mains applications
• Wide Vcc operating range
• Simplifies support for range of LED forward voltages
• User Programmable Thermal Foldback
• Protects LED Driver from overheating in severe situations
• Latched and Auto-recoverable versions
• Flexiblity for fault handling
• Secondary Diode Short Protection
• Avoids overheating in fault condition
• VCC Undervoltage and overvoltage protection
• Robust fault handling
• Open and Shorted LED Protection
• Robust fault handling of common LED system faults
• Wide Temperature range of -40 to 125 °C
• Suports outdoor and high temperature environments
• Low Startup Current (13 µA typical)

应用 Application

• Integrated LED Drive Electronics
• LED Bulbs
• LED Power Supply Drivers
• LED Light Engines
• LED Tubes
• Electronic Control Gear for LED Systems

简介

NCL30088属于集成电路（IC）的LED驱动器。由制造生产的NCL30088LED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列，可通过标称固定电压的电源为负载（通常为发光二极管）提供电流，并且电流可控。它与用于电压调节的类似产品的主要区别在于，这类器件提供较低的反馈电压（以提高系统能效），而且通常可对器件工作点进行外部控制，可在照明应用中用于实现调光功能。