Switch-mode devices positioned as alternative to linear regulators for Energy Star products.(Leading Off)
Enpirion introduced a 2A buck-mode device with integrated inductor technology. The company calls its EN5322QI the "LDO Killer," which it positions as a replacement for linear regulators to meet Energy Star requirements. The part integrates all converter functionality including MOSFET switches, control and compensation, and the inductor, in a 6 mm X 4 mm X 1.1 mm QFN package, while requiring only a single input and single output ceramic filter capacitor. The device has a wide 2.4V to 5.5V input range and has a VID programmable output range from 0.6V to 3.3V. The EN5322QI is capable of sourcing a continuous 2A over the entire industrial temperature range, and it provides a power density of >70W per square inch. …
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EDN Europe; October 13, 2005
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