DESCRIPTION

· The R2A20111 is a PFC controller IC operating in continuous conduction mode.
· It integrates multiple functions including constant power limit, overvoltage detection, overcurrent detection, soft start, feedback-loop disconnection detection, and PFC hold function.
· The IC reduces external circuitry and enhances performance with features like noise reduction and quick recovery from power outages.

FEATURES

· Maximum ratings: Power-supply voltage up to 24 V, Junction temperature range from -40 to 125°C.
· Electrical characteristics: VREF output voltage at 5.0 V ± 3%, UVLO operation start and stop voltages at 10.5 ± 0.9 V and 9.0 ± 0.7 V respectively, PFC output maximum ON duty at 95% typ.
· Functions: Includes constant power limit, PFC hold function, overvoltage and overcurrent detection, soft start, feedback loop disconnection detection, and IC shutdown function.
· Package lineup: Available in SOP-16 package.

APPLICATIONS

· Suitable for flat panel displays, projectors, desktop PCs, and white goods.