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 LM3554Features
■ Dual High Side Current Sources ■ Grounded Cathode Allowing for Better Heat Sinking and LED Routing ■ >90% Efficiency ■ Ultra-Small Solution Size: < 23mm2 ■ Four Operating Modes: Torch, Flash, LED Indicator and Voltage Output ■ Accurate and Programmable LED Current from 37.5mA to 1.2A ■ Programmable 4.5V or 5.0V Constant Output Voltage ■ Hardware Flash and Torch Enable ■ LED Thermal Sensing and Current Scaleback ■ Software Selectable Input Voltage Monitor ■ Programmable Flash Timeout ■ Dual Synchronization Inputs for RF Power Amplifier Pulse Events ■ Open and Short LED Detection ■ Active High Hardware Enable for Protection Against System Faults ■ 400kHz I2C-Compatible Interface ■ 16-Bump (1.7mm × 1.7mm × 0.6mm) micro SMD |
