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RC5058N/a1000avaiHigh Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms


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RC5058
High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms

Features

rogrammable output for Vcore from 1.3V to 3.5V using
an integrated 5-bit DAC Controls adjustable linears for Vagp (selectable 1.5V/3.3V),
Vclock (2.5V), and Vtt (1.5V) or Vnorthbridge (1.8V) Meets VRM specification with as few as 5 capacitors Meets 1.550V +40/-70mV over initial tolerance,
temperature and transients Remote sense Programmable Active Droop™ (Voltage Positioning) Drives N-Channel MOSFETs Overcurrent protection using MOSFET sensing 85% efficiency typical at full load Integrated Power Good and Enable/Soft Start functions 24 pin SOIC package
Applications
Power supply for Pentium
III Camino Platform Power supply for Pentium III Whitney Platform VRM for Pentium III processor Programmable multi-output power supply
Description

The RC5058 is a synchronous mode DC-DC controller IC
which provides a highly accurate, programmable set of output
voltages for multi-voltage platforms such as the Intel Camino,
and provides a complete solution for the Intel Whitney and other
high-performance processors. The RC5058 features remote
voltage sensing, independently adjustable current limit, and a
proprietary Programmable Active Droop
for optimal converter
transient response. The RC5058 uses a 5-bit D/A converter
to program the output voltage from 1.3V to 3.5V . The RC5058
uses a high level of integration to deliver load currents in excess
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