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 LM3509Features
■ Integrated OLED Display Power Supply and LED Driver ■ Drives up to 10 LED’s at 30mA ■ Drives up to 5 LED’s at 20mA and delivers up to 21V at 40mA ■ Over 90% Efficient ■ 32 Exponential Dimming Steps ■ 0.15% Accurate Current Matching Between Strings ■ Internal Soft-Start Limits Inrush Current ■ True Shutdown Isolation for LED’s ■ Wide 2.7V to 5.5V Input Voltage Range ■ 21V Over-Voltage Protection ■ 1.27MHz Fixed Frequency Operation ■ Low Profile 10-pin LLP Package (3mm x 3mm x 0.8mm) ■ General Purpose I/O ■ Active Low Hardware Reset |
