DC2959A-A

DC2959A-A is a demonstration circuit 2959A-A is a high efficiency, high power density hybrid step-down converter. It can deliver 12V/50A with an input voltage from 36V to 60V (up to 65V during transients). This demo board features PolyPhase® design using the LTM®4660, which uses an architecture that merges soft-switching switched capacitor topology with a traditional step-down converter to provide superior efficiency compared to the traditional switching architectures. It offers a high efficiency/high density and cost-effective solution for nonisolated intermediate bus applications in power distribution, datacom and telecom. The LTM4660 on DC2959A-A always operates in continuous conduction mode. The switching frequency can be programmed through a resistor or can be synchronized to an external clock signal. Due to its current mode control architecture, excellent current sharing and low output voltage ripple are achievable in the multiphase configuration.

• Input voltage range from 36V to 60V
• 12V output voltage, VOUT
• 50A maximum output current, IOUT
• 96.9% typical efficiency at VIN = 48V, VOUT = 12V, IOUT = 50A
• 350KHz default switching frequency

Notes

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