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Amplifiers/Converters??

Micrel LDO regulator powers processor cores down to 0.9V

Posted: 11 Mar 2002 ?? ?Print Version ?Bookmark and Share

Keywords:micrel semiconductor? micrel? voltage regulator ic? ldo regulator ic? voltage regulator?

Capable of output voltages down to 0.9V, the MIC49150 is a 1.5A dual supply LDO regulator that responds to any abrupt change in load current. The main supply to the device requires 500mV of dropout voltage, under worst case conditions to maintain proper regulation, while a second, higher voltage provides bias voltage to the control circuit.

The MIC49150 supports an input voltage as low as 1.4V and features thermal shutdown, current limit protection, and ?Cap stabilitythe ability to use ceramic output capacitors. As a ?Cap regulator, the device requires a 1?F ceramic output capacitor for stability and is highly tolerant of any capacitance used on its output.

"With a gain bandwidth of up to 10MHz, the key feature of the MIC49150 is its ultra-fast transient response, which allows the device to respond quickly to fast dynamic load changes in PC graphics card, communication and networking applications," said John McGinty, senior product marketing engineer.

The device functions at a temperature range of -40C to 125C and also features 1.5V and 1.8V outputs.

Available in the company's MSOP-8 and S-Pak packages, the MIC49150 is priced at $2 in quantities of 1,000.





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