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Load switch enhances system power control

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By eeNews Europe

The ultra-low on-resistance AP22800 N-channel switch reduces volt drop and power dissipation and offers continuous current handling of 6.0 A, providing tighter regulation of system power delivery in ultrabooks and tablets.

Simple to program, the device’s start-up and discharge rates are set using an external capacitor and external resistor, respectively. The load switch also provides an open-drain ‘power-good’ output flag to signal target output voltage has been achieved.

The AP22800 is designed to operate from 1.5 V to 5 V, giving it the flexibility to support 1.8 V, 2.5 V, 3.3 V and 5 V system rails. The quiescent current is also low at 21 μA, making it well-suited for cell-backed distributed power systems, where power conservation is vital.

To help increase power density, the load switch is provided in the thermally efficient, low-profile DFN2116-8, which features a footprint of 3.36mm2.

www.diodes.com


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