L6563S Enhanced transition-mode PFC controller Features Tracking boost function Fast bidirectional input voltage feedforward 2 (1/V correction) Interface for cascaded converter s PWM SO14 controller Remote ON/OFF control Accurate adjustable output overvoltage protection Applications Protection against feedback loop disconnection (latched shutdown) PFC pre-regulators for: Inductor saturation protection High-end AC-DC adapter/charger Low ( 100 A) start-up current Desktop PC, server, Web server 6 mA max. operating bias current IEC61000-3-2 or JEITA-MITI compliant SMPS, 1% ( T = 25 C) internal reference voltage in excess of 400 W J -600/+800 mA totem pole gate driver with active pull-down during UVLO SO14 package Figure 1. Block diagram :: 33 B6767B 00 2323 =& =& 9FF9FF 581581 9ROWDJH9ROWDJH =HUR &XUU=HUR &XUUHH QWQW *** (((/// 777 9 9 HH VV HWHF HWHF RURU WW 89/289/289/2 777 5(*8/5(*8/5(*8/ 222 555 9 9 9 9 LVD LVD EOHEOH XVXV%% XSSXSS,QWHUQDO 6,QWHUQDO 6OO 9 9 9 9 9 9 8989 /2/2 3)&B2.3)&B2. 9 9 9 9 /B2/B29339 6666 4 4 4 4 * * 5555 11 ,, &..& ** 75 75 9 9 6776 00 33 7(57(555 67 67 6W6W DUDUWHUWHU )) &855(17&855(17 0,50,555 2255 7%7%22 IURPIURP %8))(5%8))(5 LVD LVD EOHEOH 9))9)) /B2/B29393 444 666 9 9 /(%/(% &2&2 33 00 555 89/289/2 ,19,19 9ELDV9ELDV 9 9 RU RU PSOLILHUPSOLILHU (UU(UU /B2/B29933 77 08/08/ / / 7&7&++ 9 9 7,,7 00 // 88 /,(5/,(533 &6&6 LVD LVD EOHEOH *1 *1 9 9 2323 ,16 ,16 5 5 00 (( 77 9))9)) - V December 2010 Doc ID 16116 Rev 4 1/43 www.st.com 43 ( ( &7&7 2525 ,GHDO UHFWLILHU,GHDO UHFWLILHU 0B0B 3:3: 21 2)) &RQWURO21 2)) &RQWURO 4 4 293293 ,6 ,6 %/(%/( 2)2) &/ &/ %22%22 5,9(5 5,9(5 293293 89/2 QFQF UHUH IHIH UHUH 929292 21 2)) &RQWURO21 2)) &RQWURO Contents L6563S Contents 1 Description . 6 2 Maximum ratings 7 2.1 Absolute maximum ratings . 7 2.2 Thermal data . 7 3 Pin connection 8 4 Electrical characteristics 11 5 Typical electrical performance 15 6 Application information . 23 6.1 Overvoltage protection . 23 6.2 Feedback failure protection (FFP) 24 6.3 Voltage feedforward . 24 6.4 THD optimizer circuit 27 6.5 Tracking boost function . 28 6.6 Inductor saturation detection 30 6.7 Power management/housekeeping functions 31 7 Application examples and ideas 35 8 Package mechanical data 39 9 Ordering codes 41 10 Revision history . 42 2/43 Doc ID 16116 Rev 4