Austriamicrosystems launches dual LDO regulator
Austriamicrosystems
LDO AS1374 regulator
Austriamicrosystems has expanded its low dropout (LDO) regulator portfolio with the dual LDO AS1374, capable of delivering up to 200mA continuous load current at each output.
'AS1374 is a dual low dropout regulator for powering circuits that require a low-noise supply, such as RF, mobile phone cameras, wireless base stations and PA bias supplies,' said Bruce Ulrich, marketing director consumer and communications at Austriamicrosystems.
The AS1374 operates from a 2V to 5.5V supply, making it suitable for portable battery-powered applications.
Offering low 120mV dropout at 200mA load currents at each output, it has been designed and optimised to work with low-cost, small-capacitance ceramic capacitors.
The AS1374 is available with pre-programmed output voltages between 1.2V and 3.6V (programmable in 50mV steps).
The device uses an advanced architecture to achieve ultra-low output voltage noise of 20uVRMS and a power supply rejection ratio of better than 85dB (at 1kHz).
Two active-high Enable pins allow the possibility to switch on or off each output independently from each other.
The AS1374 requires just 1uF output capacitor for stability at any load.
The device is available in a six-bump WLP package.
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