RC5057M-T ,ProHigh Performance Programmable Synchro0us DC-DC Controller for Low Voltage MicroprocessorsFeatures Description• Programmable output from 1.3V to 3.5V using an The RC5057 is a synchronous mo ..
RC5057M-T ,ProHigh Performance Programmable Synchro0us DC-DC Controller for Low Voltage Microprocessorsapplications and other high-perfor-• Active Droop mance processors. The RC5057
RC5057M-T ,ProHigh Performance Programmable Synchro0us DC-DC Controller for Low Voltage Microprocessorsfeatures remote voltage • 85% efficiency typical at full load sensing, adjustable current limit, an ..
RC5057M-T ,ProHigh Performance Programmable Synchro0us DC-DC Controller for Low Voltage MicroprocessorsFeatures Description• Programmable output from 1.3V to 3.5V using an The RC5057 is a synchronous mo ..
RC5058 ,High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage PlatformsApplications®•Programmable output for Vcore from 1.3V to 3.5V using • Power supply for Pentium III ..
RC5061M ,High Performance Programmable Synchro0us DC-DC Controller for Multi-Voltage Platformsfeatures remote • Overcurrent protection using MOSFET sensingvoltage sensing, independently adjusta ..
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RC5057M-RC5057MT-RC5057M-T
ProHigh Performance Programmable Synchro0us DC-DC Controller for Low Voltage Microprocessors
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
DescriptionThe 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-perfor-
mance 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.
The RC5057 uses a high level of integration to deliver load cur-
rents in excess of 16A from a 5V source with minimal exter-
nal circuitry. Synchronous-mode operation offers optimum
efficiency over the entire specified output voltage range. An
on-board precision low TC reference achieves tight tolerance
voltage regulation without expensive external components,
while active droop permits exact tailoring of voltage for the
most demanding load transients. The RC5057 also offers
integrated functions including Power Good, Output Enable/
Soft Start and current limiting, and is available in a 16 pin
SOIC package.
