L6562AN STMicroelectronics

L6562A Transition-mode PFC controller Features Proprietary multiplier design for minimum THD Very accurate adjustable output overvoltage protection DIP-8 SO-8 Ultra-low (30A) Start-up current Low (2.5mA) quiescent current Applications Digital leading-edge blanking on current sense PFC pre-regulators for: Disable function on E/A input IEC61000-3-2 compliant SMPS (Flat TV, 1% ( T = 25 C) internal reference voltage J monitors, desktop PC, games) -600/+800mA totem pole gate driver with active HI-END AC-DC adapter/charger up to 400W pull-down during UVLO and voltage clamp Electronic ballast DIP-8/SO-8 packages Entry level server & web server Figure 1. Block diagram Table 1. Device summary Order codes Package Packaging L6562AN DIP-8 Tube L6562AD SO-8 Tube L6562ADTR SO-8 Tape & Reel August 2007 Rev 3 1/26 www.st.com 26Contents L6562A Contents 1 Description . 3 2 Pin settings 4 2.1 Pin connection 4 2.2 Pin description 4 3 Maximum ratings 5 4 Thermal data . 5 5 Electrical characteristics . 6 6 Typical electrical characteristic 9 7 Application information . 13 7.1 Overvoltage protection . 13 7.2 Disable function 14 7.3 THD optimizer circuit 14 7.4 Operating with no auxiliary winding on the boost inductor 16 7.5 Comparison between the L6562A and the L6562 17 8 Application examples and ideas 18 9 Package mechanical data 22 10 Revision history . 25 2/26