• 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