The F6112 is a high performance, highly integrated DCM Primary Side Regulation (PSR) controller. The circuit allows the implementation of a complete offline battery charger or a standby SMPS with few external components. Furthermore, The IC built-in high precision CV/CC control with high level protection features make it very suitable for offline small power converter applications.In CC control, the current and output power setting can be adjusted externally by the sense resistor RS at SENSE pin. In CV control, multi-mode operations are utilized to achieve high performance and high efficiency. In addition, good load regulation is achieved by the built-in cable drop compensation.

The IC has Error Amplifier (EA) CV with built-in loop compensation network for CV control, which eliminates external compensation circuitry. The IC also has built-in soft start function to soften the stress on the MOSFET during power on period. Excellent EMI performance is achieved by frequency shuffling technique. The F6112 has built-in soft start function, cycle by cycle current limit, VDD OVP, VDD clamp and UVLO.The IC is packaged in SOT23-6.