BD9394FP中文资料面向大屏幕的白色LED驱动器(DC/DC型)数据手册ROHM规格书

描述 Description

为支持现有客户而生产的产品。不对新设计出售此产品。

特性 Features

•4ch LED constant current driver and DC/DC converter
•Maximum LED Current: 150mA
•LED Feedback Voltage: 0.37V (@NADIM=2.62V), so lower heat. Adjustable Feed Back Voltage by following LED Current setting.
•±2% LED current accuracy (NADIM=2.62V, when each LED is set to 100mA)
•Analog current (Linear) dimming at NADIM pin
•LED pin rating 60V
•Individual detection and individual LED OFF for both open and short circuits
•Built-in ISET pin short-circuit protection circuit
•Set Soft-Start time byexternal capacitor.
•FET’s Gate (N pin) is driven by 5.8V swing
•Built-in Vout discharge circuit for shutdown
•Built-in Vout overvoltage protection (OVP) / reduced voltage protection (SCP) circuit
•Adjustable LED Short Protection Voltage by LSP terminal
•HSOP20, HTSSOP-B24 package with high heat radiation efficiency

简介

BD9394FP属于集成电路（IC）的LED驱动器。由制造生产的BD9394FPLED 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。