品牌索引 产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 LM3431Features
■ LM3431Q/LM3431AQ are Automotive Grade products that are AEC-Q100 grade 1 qualified (-40°C to 125°C operating junction temperature) ■ 3-channel programmable LED current ■ High accuracy linear current regulation ■ Analog and digital PWM dimming control ■ Up to 25kHz dimming frequency ■ >100:1 contrast ratio ■ Integrated Boost controller ■ 5V-36V input voltage range ■ Adjustable switching frequency up to 1MHz ■ LED short and open protection ■ Selectable fault shutdown or automatic restart ■ Programmable fault delay ■ Programmable cycle by cycle current limit ■ Output Over Voltage Protection ■ No Audible Noise ■ Enable pin ■ LED Over-Temperature shutdown input ■ Thermal Shutdown ■ TSSOP-28 exposed pad package |