Phihong has developed a small, low-cost 2,75 W USB charger. Measuring 42 x 43 x 21 mm and with a weight of 80 grams, the PSM03E is compliant with the new ENERGY STAR EPS version 2.0 as well as the European Union's Ecodesign Directive 2009/125/EC for energy-related products level 2 annex 1b, and the 5-Star Standby Power standard. The small size of the charger makes it suitable for wireless communications, peripherals, networking, portable and mobile equipment.
The charger provides a fully regulated 5 V d.c. output and a maximum no-load power consumption of <0,03 W. It has a constant-current/constant-voltage feature which allows for a quick charge on lithium ion batteries. The PSM03E also includes a low-profile case that is halogen-free and therefore will not give off toxic smoke in the event of a fire. The charger contains short-circuit protection, over-current protection and over-voltage protection. The functional operating temperature is between 0°C to 45°C. The adapter also meets RoHS, REACH and WEEE directives and is marked for CE compliance.
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