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Thursday, 21 October 2010 08:44

Plessey releases new family of low dropout linear regulators

Written by Nick Farell
y_wafer

Low voltage
Plessey Semiconductors has announced the release of the PS2292X family of low dropout linear regulators for point of load applications.

The PS2292X family is comprised of the PS22921, PS22922, PS22923, PS22924 and PS22925.The devices are part of a high current, single supply LDO family that operates from an input voltage as low as 1.7V.

The British chipmaker said that he gear is being targeted for industrial, medical, communication, computing and consumer markets. Basically the regulators are ideal for low voltage post regulation applications. The new line of regulators offers fast transient response while maintaining high Power Supply Rejection Ratio (PSRR).

Many new point-of-load applications are beginning to use 1.8V as a main input power distribution rail while providing output voltages from 0.5 to 1.25V to power low voltage processor and micro-controller cores.

Keith Strickland, Technology Director told Fudzilla that the gear wsa designed on Plessey’s proprietary state of the art bipolar process, this line of Linear Regulators offers superior power density and industry leading low-noise performance.”

Other key features include ON/OFF control, output voltage accuracy of ±1 per cent power good with 500µs delay, by-pass pin for ultra-low noise, over temperature and over current protection. With a unique circuit trimming approach, the regulators offer custom delivery of voltages in 100mV increments in the range of 0.5V to 5V.



Nick Farell

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