KTD2041中文资料9-Channel IR LED Driver with Buck Regulator and I2C Interface数据手册Kinetic规格书

特性 Features

• Overvoltage Protection
• Nine High-Precision Current Sinks
• LED Current Up to 32mA per Channel
• ±1% Typical Current Matching
• ±2% Typical Current Accuracy at 32mA
• 6-bit Current Dimming Control with I2C
• Independent On/Off Control
• Supports both Independent and Global Dimming

• High Efficiency Buck Regulator
• Integrated 200mΩ / 100mΩ High / Low-Side FET
• Adaptive On-Time Control with default 1MHz Switching Frequency, with factory programmable 1.5MHz, 2MHz, and 2.5MHz options
• Adaptive VOUT Control Based on the Headroom Voltages of the LED Current Sinks
• Selectable Auto-Skip Mode or Forced-PWM mode at Light Loads

• 140μA Typical No-Load Supply Current
• Open-Drain FAULT Signal Output and Fault Reset
• Extensive Fault Diagnostics
• -40°C to 85°C Operating Temperature Range
• Small UQFN-20 (3mm x 3mm) Package

应用 Application

• IR LED Drivers
• Video Doorbells
• Security Camera
• IRIS Recognition Cameras