Product Summary

The r2a20112sp is a critical conduction mode interleaved PFC control IC. The r2a20112sp controls a boost converter to provide a active power factor correction. The r2a20112sp adopts critical conduction mode for power factor correction and realizes high efficiency and a low switching noise by zero current switching.

Parametrics

r2a20112sp absolute maximum ratings: (1) Supply voltage Vcc: -0.3 to 24V; (2) GD-M Peak current Ipk: ±200mA; (3) GD-M DC current Idc-gdm: ±10mA; (4) GD-S Peak current Ipk-gds: ±200mA; (5) GD-S DC current Idc-gds: ±10mA; (6) ZCD terminal current Izcd: ±10mA; (7) Vref terminal voltage Vt-ref: -0.3 to Vref to +0.3V; (8) Power dissipation Pt: 1W; (9) Operating junction temperature Tj-opr: -40 to +150°C; (10) Storage temperature Tstg: -55 to +150°C.

Features

r2a20112sp features: (1) Maximum Ratings, supply voltage: 24V, Operating junction temperature Tjopr: -40 to +150°C; (2) Electrical characteristics: VREF output voltage VREF: 5V ±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; (3) Boost converter control with critical conduction mode; (4) Interleaving control ; (5) Two mode overvoltage protection; (6) Feedback loop open detection ; (7) Master and Slave independence overcurrent protection; (8) Package lineup: Pb-free SOP-16/DILP-16 .

Diagrams

r2a20112sp arrangement