11 August 2004Power Electronics / Power Management
Products & Solutions
The MIC2215, a triple, low dropout regulator (LDO) for electronic device applications including cellular phones, PDAs, PCs and peripherals such as wireless LAN cards, sets a new industry standard for triple LDO performance with a power supply ripple rejection (PSRR) of more than 70 dB at 1 kHz and a ground current of less than 110 µA per output at light load, says Micrel, its manufacturer. It also offers an extremely low dropout of 100 mV typical at 150 mA, providing longer battery life. The device is offered in the small footprint, thermally superior, 4 x 4 mm 16-pin MLF package. This package is approximately the same footprint as an MSOP-8/10 lead package, yet features a thermal resistance junction-to-ambient of only 45°C/W when compared to the MSOP's 200°C/W rating. This feature gives customers a power dissipation advantage of more than 75%, says Micrel.
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