Aerospace

Load Switch Offers Favorable Size-to-On-resistance Ratio

04 May 2016

GLF Integrated Power, Inc., has introduced the GLF71301 load switch offering an on-state resistance of 34 mOhms typical at 5.5 V in an ultra-small (0.77 x 0.77 mm) form factor. As the latest addition to its IQSmart™ line of high-performance load switches, the GLF71301 maximizes system efficiency and optimizes battery life more effectively than its similarly-sized competitors.

GLF71301 load switch. Source: GLF Integrated Power  GLF71301 load switch. Source: GLF Integrated Power

Although in a form factor almost 40% smaller than GLF’s prior-generation GLF71311, the new load switch achieves space savings with minimal impact to on-resistance. Compared to competitive devices, the GLF71301 offers between 28%-53% lower RON, according to the company. This extremely low on-resistance translates into higher operating efficiency and extended battery life.

In addition to very low RON, the GLF71301 also exhibits very low off-state leakage current (ISD) of 7 nA, typ., at 3.6 VIN as well as low logic operating current (IQ) of less than 1 nA, typ. @ 3.6 V.  This is over 70 times lower than its closest competitor and several hundred times lower than other devices, according to the company. Applications include those that require ever-smaller, more efficient load switches, such as wearables, data storage, SSD, mobile devices, low power systems and battery-powered systems.

List price for the load switch is $0.21 each in 1,000-piece quantities, with availability of 8 weeks ARO for production quantities.



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