FA5592

Power Electronics FA5592 series PWM Power Supply IC with Low Standby Power ■ Features ・Internal 750V high voltage startup current source ・Auto-reducing switching frequency at light load ・Low EMI noise by frequency modulation N ・ umerous kind of protect functions ・MOSFET current detection is negative-polarity mode (ex. Brown-out under-voltage protection) ■ Applications ・Note PC /Printer Adapter ・LCD TV/Monitor SMPS ■ Specifications ・Startup current source 7mA ・VCC voltage range 11 to 24V ・IS current limiter 0.5V±10%, ■ Circuit bock ・OUT pin peak current sink 1000mA, source -500mA ・VCC over-voltage protection 26V±1V (latched) (OLP auto-recovery or latched) O ・ LP timer auto-recovery switching on/off is 0.2/1.4 sec ■ Example of power supply configuration ■ Comparison of standby power and efficiency (power supply specification: 65 W) with conventional models FA5592 FA5592 ■ Comparison between FA5592 series and conventional models Item Switching frequency (fosc) Frequency variation Frequency reduction start FB voltage Brownout Over-current detection level Peak load support New model FA5592 series 65kHz/100kHz fosc±6.5% 1.7V Available -0.5V Available Conventional models FA5547 series 60kHz/100kHz ― 1.2V Available -1V Available FA5553 series 60kHz/100kHz ― 1.2V ― -1V ― Merits Miniaturization EMI Efficiency Reduced parts count Efficiency Reduced parts count Information in this catalog is subject to change without notice. 2009-4/10FIS Printed in Japan