品牌索引
產(chǎn)品分類 > 小信號開關(guān)二極管> 瞬態(tài)電壓抑制器TVS/ESD> 雙極管二極管> 調(diào)諧二極管> 齊納(穩(wěn)壓)二極管> 小信號肖特基二極管> 頻帶轉(zhuǎn)換二極管> 中/高功率管> 射頻PIN二極管> Sinterglass二極管> 整流器 > 可編程單結(jié)晶體管 (PUT)> SIDAC> 可控硅整流管 (SC) > 晶閘管浪涌保護(hù)器件 (TSPD)> 三端雙向可控硅開關(guān)元件 (TRIAC)> 半導(dǎo)體閘流管> 快速分立式> 相控分立式 > N溝道(N-Channel)> P溝道(P-Channel)> 雙N溝道(Dual N-Channel)> 雙P溝道(Dual P-Channel)> 雙N和P溝道(Dual N and P-Channel)
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產(chǎn)品介紹 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 |
