Description
The R2A20112 controls a boost converter to provide an active power factor correction.
The R2A20112 adopts critical conduction mode for power factor correction and realizes high efficiency and a low switching noise by zero current switching.
Features
- Maximum Ratings ⎯ Supply voltage Vcc: 24 V ⎯ Operating junction temperature Tjopr:.
- 40 to +150°C.
- Electrical characteristics ⎯ VREF output voltage VREF: 5.0 V ± 3% ⎯ UVLO operation start voltage VH: 10.5 V ± 0.7 V ⎯ UVLO operation shutdown voltage VL: 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 ⎯ Two mode overvoltage protection Mode1: Dynamic OVP corresp.