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Diodes rolls out adjustable LDO regulator

Posted: 12 Aug 2014 ?? ?Print Version ?Bookmark and Share

Keywords:AZ2085? LDO? regulator?

Diodes Incorporated developed the AZ2085 adjustable LDO regulator, which can handle far wider range of applications than alternative DC linear voltage regulators. The device features a minimum load current of just 1mA, a maximum of 3A, and an adjust pin current of only 6?A.

The device's dropout voltage is typically 1.2V at the full 3A load current, supporting point of load duties with input voltages from 2.5V to 15V. Applications benefiting from the device's improved minimum load currents and lower dropout voltage include motherboards, telecom equipment, and STB power supplies.

AZ2085 adjustable LDO regulator

Output voltage is set using a pair of external resistors, with the AZ2085's ultra-low adjust pin current enabling designers to employ larger resistors without adversely affecting tolerance. Design flexibility is further enhanced by the device's compatibility with low ESR ceramic capacitors.

With its maximum specification in load and line regulation of 0.3 per cent and 0.2 per cent, respectively, this TO252 packaged LDO offers designers a high degree of stability under extreme conditions of change in either input voltage or load. Integral current limiting and thermal protection circuits guard against excessive junction temperatures.

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