BD6581GU
Description
BD6581GU is white LED driver IC with PWM step-up DC/DC converter that can boost max 42.5V and current driver that can drive max 25mA.
Key Features
- High efficiency PWM step-up DC/DC converter (fsw=1MHz), max efficiency 93%
- High accuracy & good matching ( 1.5%) current drivers 6ch
- Drive up to 12 in series, 6 strings in parallel =72 white LEDs ( white LED Vf=3.5Vmax)
- Rich safety functions Over-voltage protection (OVP) Over current limit External SBD open detect Thermal shutdown Key Specification
- Operating power supply voltage range: 2.7V ~ 22.0V
- Quiescent Current 1: 0.6μA (Typ.) Quiescent Current 2: 4.6μA (Typ.)
