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)
|
产品介绍 LM3432Features
■ Dynamic Headroom Control (DHC) output to maximize efficiency when used in conjunction with National Semiconductor's LM3430 Boost Controller for LED Backlighting ■ Current sinking adjustable up to 40mA in each string ■ Fast current switching slew rate, tr = 60ns typical ■ Wide dimming ratio, up to 4000:1 with fDIM = 500Hz ■ High LED driving voltage up to 80V ■ ±2.0% current matching between strings ■ Accepts both Digital and Analog dimming control ■ LED open/short fault indication (For LM3432B, no open fault indication) ■ Over-Temperature Indication ■ Internal Thermal Shutdown with Hysteresis ■ Low profile, thermally enhanced LLP-24 (5x4x0.8mm) and eTSSOP-28 (9.7x6.4x1.1mm) packages (The LM3432B is available in the LLP-24 only) |
