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RC5061 数据表(PDF) 1 Page - Fairchild Semiconductor |
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RC5061 数据表(HTML) 1 Page - Fairchild Semiconductor |
1 / 18 page www.fairchildsemi.com Pentium is a registered trademark of Intel Corporation. REV. 1.0.0 7/6/00 Features • Programmable output for Vcore from 1.3V to 3.5V using an integrated 5-bit DAC • Controls adjustable linears for Vtt (1.5V), and Vclock (2.5V) • Meets VRM specification with as few as 5 capacitors • Meets 1.550V +40/-70mV over initial tolerance, temperature and transients • Remote sense • 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 • 20 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 RC5061 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 RC5061 features remote voltage sensing, independently adjustable current limit, and Active Droop for optimal converter transient response. The RC5061 uses a 5-bit D/A converter to program the output voltage from 1.3V to 3.5V. The RC5061 uses a high level of integration to deliver load currents in excess of 16A from a 5V Block Diagram VID3 VID2 VID1 13 VID0 GNDP 19 18 2 15 20 1 14 - + - + OSC 1.24V Reference Digital Control Power Good 5-Bit DAC VID4 87 6 5 4 +5V +12V PWRGD - + ENABLE/SS VCC GNDA 3 LODRV HIDRV VCCP 17 VCCA +5V 16 - REF REF PWRGD, OCL PWRGD, OCL +3.3V +1.5V 10 9 +2.5V 12 11 OCL - + VCCP RS + - + RC5061 High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms |
类似零件编号 - RC5061 |
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类似说明 - RC5061 |
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