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RC5051, RC5051M, RC5051MA

Table of contents:
Info of RC5051
Info of RC5051M
Info of RC5051MA

RC5051, RC5051M, RC5051MA Selling Leads, Datasheet

MFG:RC Package Cooled:7.2mm D/C:New

RC5051, RC5051M, RC5051MA Datasheet download

Five Points

Part Number: RC5051

MFG: RC

Package Cooled: 7.2mm

D/C: New

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RC5051 General Description

The RC5051 is a synchronous mode DC-DC controller IC which provides an accurate, programmable output voltage for all Pentium II CPU applications. The RC5051 uses a 5-bit D/A converter to program the output voltage from 1.3V to 3.5V. The RC5051 uses a high level of integration to deliver load currents in excess of 19A from a 5V source with minimal external circuitry. Synchronous-mode operation offers optimum efficiency over the entire specified output voltage range, and the internal oscillator can be programmed from 80KHz to 1MHz for additional flexibility in choosing external components. An on-board precision low TC reference achieves tight tolerance voltage regulation without expensive external components. The RC5051 also offers integrated functions including Power Good, Output Enable, over-voltage protection and current limiting.

RC5051 Maximum Ratings

Supply Voltages, VCCA, VCCP, VCCQP to GND	13V
Supply Voltage VCCQP, Charge Pump (V_IN+VCCA)	18V
Voltage Identification Code Inputs, VID4-VID0	13V
Junction Temperature, T_J	150
Storage Temperature	-65 to 150
Lead Soldering Temperature, 10 seconds	300

RC5051 Features

• Programmable output from 1.3V to 3.5V using an integrated 5-bit DAC
• 85% efficiency typical
• Adjustable operation from 80KHz to 1MHz
• Integrated Power Good and Enable functions
• Overvoltage protection
• Overcurrent protection
• Drives N-channel MOSFETs
• 20 pin SOIC package
• Meets Intel Pentium II specifications using minimum number of external components

RC5051 Typical Application

• Power supply for Pentium®II
• VRM for Pentium II processor
• Programmable step-down power supply

RC5051 Connection Diagram

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