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 LM3550Features
■ Up to 5A Flash Current ■ 4 Selectable Super-Capacitor Charge Voltage Levels (4.5V, 5.0V, 5.3V, Optimized) ■ Flash Optimized Charge Mode for Optimal Efficiency -33% Faster Charge Time Using Optimal Mode -49% Less Power Dissipated in Current Source using Optimal Charge Mode ■ Fast Super-Capacitor Charger with 500 mA Input Current Limit ■ Adjustable Torch Current (60mA to 200mA) ■ Ambient Light or LED Thermal Sensing with Current Scaleback ■ End-of-Charge Output (EOC) ■ Dedicated Indicator LED Current Source ■ No Inductor Required ■ Manual Flash Enable via Strobe Pin Input ■ Programmable Flash Pulse Duration, and Torch and Flash Currents via I2C Compatible Interface ■ True Shutdown (LED Disconnect) ■ Flash Time-Out Protection ■ LED Temperature Protection or Ambient Light Sensing Pin ■ Low Profile 20–Pin LLP Package (3.0 mm × 2.5 mm × 0.8 mm) |