FA5590 Power Factor Correction

Features:
* Very Low Standby Power by disusing Input Voltage Detection Resistors
* High-precision over current protection：0.6V±5%
* Improved power efficiency at light load due to Maximum Frequency Limitation
* No Audible Noise at Startup
Soft-Startup and Soft-OVP functions
* Low current consumption by CMOS process
Start-up : 80µA(max.), Operating : 2mA(typ.)
* Enabled to drive power MOSFET directly
Output peak current, source : 500mA, sink : 1000mA
* Open/short protection at feedback (FB) pin
* Under-voltage Lockout FA5590: 9.6V ON / 9V OFF FA5591:13V ON / 9V OFF
* Overvoltage protection