IR3084AMTRPBF Datasheet

PMIC - Power Management - Specialized


The IR3084AMTRPBF Control IC combined with an IR XPhaseTM Phase IC provides a full featured and flexible way to implement a complete VR10 or VR11 power solution. The “Control” IC provides overall system control and interfaces with any number of “Phase” ICs which each drive and monitor a single phase of a multiphase converter. The XPhaseTM architecture results in a power supply that is smaller, less expensive, and easier to design while providing higher efficiency than conventional approaches. IR3084AMTRPBF Features • 1 to X phase operation with matching Phase IC • Supports both VR11 8-bit VID code and extended VR10 7-bit VID code • 0.5% Overall System Setpoint Accuracy • VID Select pin sets the DAC to either VR10 or VR11 • VID Select pin selects either VR11 or legacy VR10 type startups • Programmable VID offset and Load Line output impedance • Programmable VID offset function at the Error Amp’s non-inverting input allowing zero offset • Programmable Dynamic VID Slew Rate • ±300mV Differential Remote Sense • Programmable 150kHz to 1MHz oscillator • Enable Input with 0.85V threshold and 100mV of hysteresis • VR Ready output provides indication of proper operation and avoids false triggering • Phase IC Gate Driver Bias Regulator / VRHOT Comparator • Operates from 12V input with 9.9V Under-Voltage Lockout • 6.9V/6mA Bias Regulator provides System Reference Voltage • Programmable Hiccup Over-Current Protection with Delay to prevent false triggering • Small thermally enhanced 5mm x 5mm, 28 pin MLPQ package


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Manufacturer information


Electrification, automation and digitalization are the long-term growth fields of Siemens. In order to take full advantage of the market potential in these fields, our businesses are bundled into eight divisions and Siemens Healthineers as well as Siemens Wind Power as a separately managed businesses.

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