FUJI 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
・MOSFET current detection is negative-polarity mode
・Numerous kind of protect functions
(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
・OUT pin peak current sink 1000mA, source -500mA
・IS current limiter 0.5V±10%,
・VCC over-voltage protection 26V±1V (latched)
・OLP timer auto-recovery switching on/off is 0.2/1.4 sec
(OLP auto-recovery or latched)
■ Circuit bock
■ 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
Conventional models
FA5592 series
FA5547 series
FA5553 series
65kHz/100kHz
60kHz/100kHz
60kHz/100kHz
fosc±6.5%
―
―
1.7V
1.2V
1.2V
Available
Available
―
-0.5V
-1V
-1V
Available
Available
―
Information in this catalog is subject to change without notice.
Merits
Miniaturization
EMI
Efficiency
Reduced parts count
Efficiency
Reduced parts count
2009-4/10FIS Printed in Japan