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¹¦ÄÜÃèÊö | High Performance Programmable Synchronous DC-DC Controller for Low Voltage Microprocessors DC/DC ¿ª¹Ø¿ØÖÆÆ÷ Syn DC-DC Controller Programmable |
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Description
The RC5057 is a synchronous mode DC-DC controller IC which provides a highly accurate, programmable output voltage for all Pentium II & III CPU applications and other high-performance processors. The RC5057 features remote voltage sensing, adjustable current limit, and active droop for optimal converter transient response. The RC5057 uses a 5-bit D/A converter to program the output voltage from 1.3V to 3.5V.
Features
? Programmable output from 1.3V to 3.5V using an integrated 5-bit DAC
? Remote sense
? Active Droop
? 85 efficiency typical at full load
? Integrated Power Good and Enable/Soft Start functions
? Drives N-channel MOSFETs
? Overcurrent protection using MOSFET sensing
? 16 pin SOIC package
? Meets Intel Pentium II & III specifications using minimum number of external components
Applications
? Power supply for Pentium? II & III
? VRM for Pentium II & III processor
? Telecom line cards
? Routers, switches & hubs
? Programmable step-down power supply
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1.215 V to 80 V
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3.5 A
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