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Intersil’s New 3A Rad-Hard LDO Regulator Delivers Industry’s Best Performance for High Reliability Systems

16th February 2012

Intersil Corporation (USA)

ES Admin

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Intersil Corporation has enhanced its power management portfolio with the addition of the ISL75051SRH, a radiation tolerant ultra-low dropout voltage regulator (LDO) that can operate over the full military temperature range of -55C to +125C and is offered in a 18-lead hermetic package.

The ISL75051SRH is an SMD-approved single output, ultra-low dropout linear regulator that is immune to high dose radiation up to 100krads (Si), and to single event effects without the need for additional diodes or filters, reducing board space and system cost. Dropout voltage is an ultra-low 65mV at 1A, and 225mV at 3A, permitting increased efficiency and battery life. They operate over an input voltage range of 2.2V to 6.0V and can provide output voltages of 0.8V to 5.0V.

The ISL75051SRH is an excellent design choice for DSP, FPGA and microprocessor core power supplies, post-regulation of switch mode power supplies and down-hole oilfield drilling equipment.

Features and Specifications
DLA SMD approval means no need for up-screening and no acceptance testing, saving designers time and cost 1uA shutdown current extends battery life in redundant configurations Soft start, power good and enable features simplify design and sequencing requirements Provides excellent regulation all the way from no load to full load

Pricing and Availability
The ISL75051SRH is currently available in an 18-pin ceramic flat pack package, with samples available at $89.90 each. Quantity pricing is available upon request.