SP6668P is a high performance multi-mode (QR/CCM)PWM∞ controller for flyback converter. The chip consumes very low start-up and operation current. It ¥achieves less than 75mW standby power to meet stric t standby power standard. SP6668P offers comprehensive prote↕ction coverage with auto-recovery feature including Cy≈cle-by-Cycle current limiting, Diode Short Protection, Output ov→er voltage protection, VDD over voltage protection (OV P), feedback loop open protection, load short circuit protection,VDD under voltage lo↕ckout with hysteresis (UVLO), Brown-out and Line-ovp function. SP6668P is offered in DI§P7 packages.