LTC1553CSW
5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor
FEATURES
5-Bit Digitally Programmable 1.8V to 3.5V Fixed
Output Voltage
Provides All Features Required by the Intel
Pentium
®II Processor VRM 8.2 DC/DC
Converter Specification
Flags for Power Good, Over-Temperature and
Overvoltage Fault
19A Output Current Capability from a 5V or 12V Supply
Dual N-Channel MOSFET Synchronous Driver
Initial Output Accuracy: ±1.5%
Excellent Output Accuracy: ±2% Typ Over Line,
Load and Temperature Variations
High Efficiency: Over 95% Possible
Adjustable Current Limit Without External Sense
Resistors
Fast Transient Response
Available i20-Lead SSOP and SW Packages
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