OB3390/T数据手册OB中文资料规格书

描述 Description

OB3390 is a primary side control offline LED lighting which can achieve accurate LED current and low system cost for an isolate lighting application in a single stage converter. It can significantly simplify the LED lighting system design by eliminating the secondary side feedback components and the optocoupler.

特性 Features

·High precision Constant Current Regulation at Universal AC input
·Primary-side Sensing and Regulation Without TL431 and Opto-coupler
·Low System Cost and High Efficiency
·Programmable CC Regulation
·Built-in Primary winding inductance compensation
·Driver BJT Switch
·Ultra Low Start-up Current (Typ. 1uA)
·LED short Protection
·LED open Protection
·Cycle-by-Cycle Current Limiting
·Built-in Leading Edge Blanking (LEB)
·VDD Over Voltage Protection
·VDD Under Voltage Lockout with Hysteresis
·Available in SOT23-5 packages, RoHS compliant

应用 Application

·LED Lighting
·LED PAR Lamp