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 DS3994Features
♦ High-Density CCFL Controller for LCD TV and PC Monitor Backlights ♦ Programmable Staggered Start for Burst Dimming on Each Channel ♦ Strike Frequency Boost Option ♦ Programmable Strike Time ♦ Can Be Easily Cascaded ♦ Minimal External Components ♦ Analog Brightness Control ♦ Gate Driver Phasing Minimizes DC Supply Current Surges ♦ Per-Channel Lamp Fault Monitoring for Lamp Open, Lamp Overcurrent, Failure to Strike, and Overvoltage Conditions ♦ Accurate (±2%) On-Board Oscillator Lamp Frequency (20kHz to 80kHz) ♦ Wide Range On-Board DPWM Burst-Dimming Oscillator (22.5Hz to 440Hz) ♦ Can Be Synchronized to External Sources for the Lamp and DPWM Frequencies ♦ < 10% to 100% Dimming Range ♦ Soft-Start Minimizes Audible Transformer Noise ♦ I2C-Compatible Serial Port and On-Board Nonvolatile (NV) Memory Allow Device Customization ♦ 3-Byte NV User Memory for Storage of Serial Numbers and Date Codes ♦ 4.5V to 5.5V Single-Supply Operation ♦ -40°C to +85°C Temperature Range ♦ 28-Pin SO (300 mils) Package |
