SP6562A

SP6562A Power Factor Controller IC DESCRIPTION SP6562A is an active transition-mode (TM) power factor correction (PFC) controller for AC-DC switching mode power supply applications. SP6562A features an internal start-up timer for standalone applications, a one quadrant multiplier with THD optimizer for near unity power factor, zero current detector (ZCD) to ensure TM operation, a current sensing comparator with built-in leading-edge blanking, and a totem pole output ideally suited for driving a power MOSFET. APPLICATIONS  AC/DC Switching Power Adaptor  PC Power Supply  LCD TV Power Supply  Electronic Ballast SP6562A offers great protection coverage including system over-voltage protection (OVP) to eliminate runaway output voltage due to load removal, VCC under voltage lockout (UVLO), multiplier output clamping that limit maximum peak switch current, and gate drive output clamping for external power MOSFET protection. with added system open loop protection feature, shuts ...