L6564H STMicroelectronics

L6564H High voltage startup transition-mode PFC Datasheet production data Features Onboard 700 V startup source Fast bi-directional input voltage feedforward 2 (1/V correction) SO-14 Accurate adjustable output overvoltage protection Protection against feedback loop disconnection (latched shutdown) Inductor saturation protection Application AC brownout detection PFC pre-regulators for: Low ( 100 A) startup current High-end AC-DC adapter/charger 6 mA max. operating bias current IEC61000-3-2 or JEITA-MITI compliant 1% ( T = 25 C) internal reference voltage J SMPS, in excess of 400 W -600/+800 mA totem pole gate driver with SMPS for LED luminaires active pull-down during UVLO SO-14 package Figure 1. Block diagram ZCD HVS Vcc 11 8 14 Icharge Zero Current Detector Voltage 0.23 V - VOLTAGE + Disable references UVLO 0.27 V 1.4V REGULATOR 6 + 0.7V - PFC OK Internal Supply Bus UVLO 2.5 V - OVP 13 2.4 V L OVP GD + S Q1 1.66 V + R - STARTER Starter 2 OFF COMP INV - DISABLE 1 2.5 V + Error Amplifier Disable L OVP Q S Q1 OVP LEB ON/OFF Control MULT R UVLO 3 12 - GND + -+ Ideal rectifier 4 2 CS 1/V MULTIPLIER + ON/OFF Control 0.8 V Disable + 0.88 V - 1.7 V MAINS DROP - DETECTOR 5 VFF AM11475v1 June 2012 Doc ID 022960 Rev 2 1/35 This is information on a product in full production. www.st.com 35Contents L6564H Contents 1 Description . 5 2 Maximum ratings 6 2.1 Absolute maximum ratings . 6 2.2 Thermal data . 6 3 Pin connection 7 4 Electrical characteristics . 9 5 Typical electrical performance 13 6 Application information . 18 6.1 Overvoltage protection . 18 6.2 Feedback failure protection (FFP) 18 6.3 Voltage feedforward . 19 6.4 THD optimizer circuit 22 6.5 Inductor saturation detection 23 6.6 Power management/housekeeping functions 24 7 High voltage startup generator . 26 8 Application examples and ideas 29 9 Package mechanical data 31 10 Ordering codes 33 11 Revision history . 34 2/35 Doc ID 022960 Rev 2