The 5V 3A power supply provides a high-power-density and cost-effective solution for a variety of application field. This universal switching power supply accepts AC input 100-240V with optional exchangeable AC plugs US EU UK AU CN for worldwide travel. The 5V 3A adapter provides both constant voltage regulation and over-current protection. The 5V 3A power adapter operates at a high switching frequency to achieve high efficiency in all load conditions, with a low total standby consumption and low output ripple and noise. Full protection functions improve the reliability including OCP, OVP, OLP, and effective thermal management enhances reliability further, allows the 5V 3A AC adapter to operate at full power at higher ambient temperatures. 5V 3A power supply micro USB is available which is protected against destructive electrostatic discharge (ESD) from the micro USB connector.