Microsemi Corp is a major manufacturer of military discrete semiconductors in addition to transient voltage suppressors, rectifiers, bipolar transistors and Zeners. Since their acquisition of Linfinity they have introduced PWM controllers, charge pumps, boost controllers, Buck regulators, Li-Ion chargers, LDOs, LED drivers, dimming CCFL backlight modules, visible light sensors, class-D amplifiers and InGaP HBT power amplifiers for IEEE 802.11 WLAN.
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