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LDOs achieve 2% accuracy from -40C to 85C

Posted: 09 Dec 2010 ?? ?Print Version ?Bookmark and Share

Keywords:AP7335? AP7365? low dropout? linear regulator?

Diodes' LDOsDiodes Inc. has introduced a pair of low dropout linear regulators with industrial temperature rating of -40C to 85C. Suiting applications including set-top boxes, routers and LCD monitors, the 300mA, 150mV dropout AP7335 and 600mA, 300mV dropout AP7365 offer adjustable and fixed output voltage operation at an accuracy of 2% across the temperature range.

Input voltage is from 2V to 6V and both LDOs are capable of delivering an adjustable output voltage between 0.8V and 5.0V and fixed voltages of 0.8V, 1.0V, 1.2V, 1.5V, 1.8V, 2.0V, 2.5V, 2.8V, 3.0V, 3.3V and 3.9V. Their quiescent current of 35?A means the devices can offer power savings for low-power and battery-operated products.

The regulators' ability to drive low ESR 1?F MLCC output capacitors helps improve stability and reduce circuit cost, while a PSRR rating of 65db at 1kHz meets low noise requirements for audio and RF applications. LDO robustness is assured by integral overcurrent, overtemperature and short-circuit protection.

The LDOs are provided in a choice of industry standard packages and pin-outs, with both devices available in the SOT25 and DFN2020-6 outlines and the AP7365 also available in SOT89-3L and SOT223-3L options.

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