The AP2401 and AP2411 single channel power switches ensure fast latch-off of output current in the event of over current detection help raise USB port protection levels. These 2-A rated, high-side power switches provide a choice of active low enable and active high enable operation and are optimized for self-powered and bus-powered USB 2.0 and 3.0 and other 3 to 5−V hot-swap consumer electronics applications.
The power switches have a short circuit response time of 2 µs and features an integrated output discharge function provides controlled discharge of output capacitor voltage when disabled. To minimize voltage drop losses in higher current systems, the devices exhibit an on-resistance of only 70 mΩ under 2−A continuous operation. The switches incorporate over-current, short-circuit, over-temperature under-voltage lockout and reverse current blocking protection. ($0.21 ea/1,000 — available now.)
By Paul O’Shea
Diodes , Dallas , TX
Glen Wynn 972-385-6292
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