Freescale MC34VR500 multi-output DC-DC regulator circuit design and application

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Freescale's MC34VR500 DC-DC regulator is an efficient four-channel buck regulator with up to 4.5A of output current and five user-programmable LDOs. The MC34VR500 features a unique programmable multi-DC/DC and LDO output, making it ideal for power system solutions based on the QorIQLS1 network communications processor. This article mainly introduces the MC34VR500 multi-output DC-DC regulator characteristics, application range, and MC34VR500 multi-output DC-DC regulator circuit design and application, helping everyone shorten the design time.

MC34VR500 features:

l High full load efficiency, peak value of 91%

l highly integrated

l four independent buck converters

l five user programmable LDO

lDDR reference voltage

l Power control logic with processor interface and event detection

Typical application range of MC34VR500:

l Internet of Things (IoT) gateway

l mobile wireless router

lMFP printer

lNAS (Network Attached Storage)