Power supply suitable for dry and damp locations
Power Sources Unlimited
LD015D power supply
Power Sources Unlimited has announced the LD015D Series AC-DC Constant Current LED driver power supply, which is fully potted and suitable for dry and damp locations.
It adheres to UL1310 Class 2 Safety Standards (110V AC) or CE compliancy (230V AC).
Features include input voltage of 110 or 230V AC, DC output ranges from 8 to 48V DC and wide selection of pre-adjusted constant current outputs.
Other features include: operating temperature range of -20 to 60C, phase dimmable, compatible with standard Triac and electronic low-voltage dimmers; and 82 per cent efficient typical.
Units are RoHS compliant, Reach compliant, FCC Class B, CE, EN61000-4, 2, 3, 4, 5, 6, 8, 11 and UL.cUL safety certified, and carry a three-year warranty.
The Eltek Valere Flatpack2 HE Series of rectifiers has been introduced into the global telecommunications market, offering a conversion efficiency up to 96.5 per cent and a 50 per cent reduction in wasted energy, according to Power Sources Unlimited.
Automobiles, aircraft, marine vehicles, uninterruptible power supplies and telecommunications hardware represent areas utilising series-connected battery stacks. These stacks of individual cells may contain many units. In such systems, it is often desirable to accurately determine each individual cell’s voltage. Obtaining this information in the presence of the high ‘common-mode’ voltage generated by the battery stack is more difficult than might be supposed.
Power Integrations has launched its Linkswitch-3 series of integrated monolithic switching ICs. The devices are claimed to deliver accurate primary-side regulation for chargers and adapters up to 10W, making them suitable for smartphones, tablets and other mobile devices, particularly those subject to 30mW no-load limitations, such as upcoming mandatory US DoE EPS efficiency regulations and EU CoC Tier 2 guidelines.
This application note from Linear Technology provide guidelines for using the LTM4601 DC/DC µmodule regulator in ambient environments with or without air flow.
The LTC3622 is a high-efficiency, 17V-input-capable synchronous buck regulator from Linear Technology that delivers dual 1A continuous current to outputs as low as 0.6V. Synchronous rectification delivers efficiencies as high as 95 per cent, while Burst Mode operation requires only 5µA of no-load quiescent current.