Wearable computing devices are tiny computers that users can wear on their bodies. Some devices clip to clothing, some users wear them as glasses and others are smartwatches. Some wearable devices are like desktop computers that have been shrunken down for body wear, but most wearable devices that are getting attention now -- Fitbit Flex, Pebble smartwatch, Apple iWatch and Google Glass, to name a few -- link to the Web or to a mobile device via Bluetooth.
Wearables such as Fitbit Flex track steps, sleep cycles, workout stats and more, then deliver that information to the user's smartphone. Other wearable computing devices may be useful in the medical field because they can monitor patients' vitals and send that information to their doctors. Google Glass is purported to give users an augmented reality experience, supplying information on demand. For example, when a Google Glass wearer walks into an airport, the device might show him detailed information about his flight.
• For N-typ: 20V,500mA, RDS(ON) =350mΩ@VGS = 4.5V
For P-typ: -20V,-250mA, RDS(ON) =650mΩ@VGS = -4.5V
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