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 LM3553Features
■ Accurate and Programmable LED Current up to 1.2A in 128 Steps ■ Total Solution Size < 30mm2 ■ 90% Peak Efficiency ■ Drives 2 LEDs in Series with 1.2A from 5V Input ■ Drives 2 LEDs in Series with 600mA from 3.0V Input ■ Drives 1 LED with 1.2A from 3.0V Input ■ Adjustable Over-Voltage Protection Allows for Single or Series LED Operation ■ Four Operating Modes: Torch, Flash, Indicator, and Voltage Mode (4.98V) ■ Programmable Flash Pulse Safety Timer in 16 Steps ■ TX Input Ensures Synchronization with RF Power Amplifier Pulse or Prevents LED from Overheating ■ LED Disconnect During Shutdown ■ Flash/Imager Synchronization via FEN Pin ■ Active Low Hardware Reset ■ Multi-Function Pin (RESET and GPIO) ■ Low Profile 12-pin LLP Package (SDF12A: 3mm x 3mm x 0.8mm, 0.4mm pitch) |
