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 DS3881Features
♦ Single-Channel CCFL Controller for Backlighting LCD Panels and Instrument Clusters in Automotive Navigation/Infotainment Applications ♦ Minimal External Components Required ♦ I2C Interface ♦ Per-Channel Lamp-Fault Monitoring for Lamp- Open, Lamp-Overcurrent, Failure to Strike, and Overvoltage Conditions ♦ Status Register Reports Fault Conditions ♦ Accurate (±5%) Independent On-Board Oscillators for Lamp Frequency (40kHz to 100kHz) and DPWM Burst-Dimming Frequency (22.5Hz to 440Hz) ♦ Lamp and DPWM Frequencies can be Synchronized with External Sources to Reduce Visual LCD Artifacts in Video Applications ♦ Spread-Spectrum Lamp Clock Reduces EMI ♦ Lamp Frequency can be Stepped Up or Down to Move EMI Spurs Out of Band ♦ Lamp Current Overdrive Mode with Automatic Turn-Off Quickly Warms Lamp in Cold Temperatures ♦ Analog or Digital Brightness Control ♦ 300:1 Dimming Range Possible Using the Digital Brightness Control Option ♦ Programmable Soft-Start Minimizes Audible Transformer Noise ♦ On-Board Nonvolatile (NV) Memory Allows Device Customization ♦ 8-Byte NV User Memory for Storage of Serial Numbers and Date Codes ♦ Low-Power Standby Mode ♦ 4.75V to 5.25V Single-Supply Operation ♦ Temperature Range: -40°C to +105°C ♦ 24-Pin TSSOP Package |
