The +5VSB Power Supply
The +5VSB (a.k.a. standby) power supply is independent of the main power supply, since it is on continuously.
The +5VSB power supply uses an STR-A6062H integrated circuit, which incorporates the PWM controller and the switching transistor into a single chip.
The rectification of the +5VSB output is performed by an SBL1060CTW Schottky rectifier present on the solder side of the printed circuit board. This component supports up to 10 A (5 A per internal diode at 95° C, 0.70 V maximum voltage drop).