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ADP3171 Datasheet Synchronous Buck Controller

Manufacturer: Analog Devices

Overview: a Synchronous Buck Controller with Dual Linear Regulator Controllers ADP3171 FUNCTIONAL BLOCK DIAGRAM VCC.

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General Description

The ADP3171 is a highly efficient output synchronous buck switching regulator controller optimized for converting a 5 V main supply into the auxiliary supply voltages required by processors and chipsets.

The ADP3171 provides a fixed output voltage of 1.2 V at up to 15 A, depending on the power ratings of the external MOSFETs and inductor.

The ADP3171 uses a current-mode, constant off time architecture to drive two N-channel MOSFETs at a programmable switching frequency that can be optimized for regulator size and efficiency.

Key Features

  • Fixed 1.2 V N-Channel Synchronous Buck Driver Two On-Board Linear Regulator Controllers Total Accuracy ± 1% over Temperature High Efficiency Current-Mode Operation Short Circuit Protection Power Good Output Overvoltage Protection Crowbar Protects Switching Output with No Additional External Components.

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