KTD315中文资料High Efficiency, Wide Voltage Range 30-LED Driver数据手册Kinetic规格书

特性 Features

• Wide input range: 2.7V~25V
• Drive up to 30 LEDs
• KTD314 up to 20 LEDs (10s2p)
• KTD315 up to 30 LEDs (10s3p)
• Up to 92% efficiency
• High frequency step-up converter (800kHz)
• Highly integrated solution
• Integrated 40V Power MOSFET
• Internal compensation and soft start

• Integrated current sinks: KTD314 – 2 channels, KTD315 – 3 channels
• ±2% Typ. current accuracy
• 1.5% Typ. current matching

• PWM dimming with <1µs delay time
• Low operating quiescent current (500µA)
• LED open/short protection
• Both internal fixed and external adjustable Over-voltage protection
• Cycle-by-cycle inductor current limit (2.5A)
• 0.1 µA shutdown current
• Pb-free Package: TQFN33-16
• -40 to +85˚C Temperature Range

应用 Application

• Netbook
• MID
• GPS
• Portable media players
• 1-, 2-, 3-, 4-cell Li Ion LED applications