DESCRIPTION
The L6911 is a power supply controller specifically designed to provide a high performance DC/DC conversion for Pentium II Microproces sors. A precise 5 bit digital to analog converter
OPERATING SUPPLY VOLTAGE FROM 5V TO 12V
TTL-COMPATIBLE 5BIT PROGRAMMABLE OUTPUT FROM:
-1.3V TO 2.05V WITH 0.05V BINARY STEPS
-2.1V TO 3.5V WITH 0.1V BINARY STEPS
VOLTAGE MODE PWM CONTROL
EXCELLENT OUTPUT ACCURACY +/-1% OVERLINE, AND TEMPERATURE VARIATIONS
HIGH PRECISION INTERNAL REFERENCE DIGITALLY TRIMMED
VERY FAST LOAD TRANSIENT 0% TO 100% DUTY CYCLE
POWER GOOD OUTPUT
OVERVOLTAGE PROTECTION
OVERCURRENT PROTECTION REALISED USING THE MOSFET’s RDSon
OPERATING FREQUENCY FROM 50KHz TO 1MHz
MEETS INTEL PENTIUM II SPECIFICATION
DISABLE FUNCTION
APPLICATIONs
POWER SUPPLY FOR ADVANCED MICROPROCESSOR SUPPLIES
POWER SUPPLY FOR PENTIUM II INTEL PROCESSORS