Mornsun has released two new series of switching regulators with high efficiencies and requiring no heatsinking.
The K78XX-1500 series is a 1,5 A switched mode regulator boasting low power dissipation. The three-terminal device can provide its full rated output current without any heatsink. The regulator measures only 11,5 x 17,5 x 9,0 mm and can provide output power as high as 9,75 W with just 25 mV ripple. It has efficiency of 95% and wide voltage input range (4,75–18 V), and has features such as output short circuit protection and thermal shutdown. Output voltages are 2,5 V, 3,3 V, 5,0 V and 6,5 V, all of which are available in positive and negative polarities.
The K78XX-500 regulator is a 500 mA variant with positive or negative output, with efficiency up to 96%. It uses an industry standard pinout and has a mean time before failure of more than 2 million hours. Allowable input voltage ranges from 4,5 V to 30 V, while output voltages are 3,3 V, 5,0 V, 6,5 V, 9,0 V, 12 V and 15 V.
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