• Maximum ratings

⎯ Supply voltage Vcc: 24 V

⎯ Junction temperature Tj: –40 to +150°C

• Electrical characteristics

⎯ VREF output voltage VREF: 5.0 V ± 1.5

⎯ UVLO operation start voltage Vuvlh: 10.5 V ± 0.7 V

⎯ UVLO operation shutdown voltage Vuvll: 9.3 V ± 0.5 V

⎯ UVLO hysteresis voltage Hysuvl: 1.2 V ± 0.5 V

• Functions

⎯ Boost converter control with critical conduction mode

⎯ Interleaving control with slave drop (SD) function at light load

⎯ Off time control (OTC) function: Switching loss is decreased at light load.

⎯ Brownout function

⎯ Double OVP: Two line sense for over voltage protection

⎯ Dynamic under voltage protection (DUVP): Sense for under voltage protection

⎯ AC Hi voltage detection (ACDET)

⎯ Feedback loop open detection

⎯ ZCD signal open detection

⎯ Master and Slave independenced over current protection

⎯ 140 μs restart timer

⎯ Package lineup: Pb-free SOP-20