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Synchronous Buck PWM and Linear Controllers

The APW7058 integrates one synchronous-rectifiedBuck PWM controller and one linear controller to providetwo regulated voltages for graphics cards andother embedded processor applications. The PWMcontroller which drives dual N-channel MOSFETs usesfixed 600kHz frequency, voltage-mode PWM controland integrates power-on-reset(POR), built-in soft-start,output under-voltage monitoring and shutdown functionsinto a single chip. The linear controller whichdrives a N-channel MOSFET bypass transistor allow

Relevant Keywords: 
APW7058, APM2055N, APM2014N

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