ISL6333 Datasheet PDF

●The ISL6333 three-phase PWM family of control ICs provide a precision voltage regulation system for advanced microprocessors. The integration of power MOSFET drivers into the controller IC marks a departure from the separate PWM controller and driver configuration of previous multi-phase product families. By reducing the number of external parts, this integration is optimized for a cost and space saving power management solution.

●Features

●• Intel VR11.1 Compatible

●\- IMON Pin for Output Current Monitoring

●\- Power State Indicator (PSI#) Pin for Phase Dropping and Higher Efficiency During Light Load States

●• CPURST_N Input to Eliminate Required Extensive

●External Circuit for proper PSI# Operation of Intel’s

●Eaglelake Chipset Platform (ISL6333B, ISL6333C Only)

●• Integrated Multi-Phase Power Conversion

●\- 3-Phase or 2-Phase Operation with Internal Drivers

●• Precision Core Voltage Regulation

●\- Differential Remote Voltage Sensing

●\- ±0.5% System Accuracy Over-Temperature

●\- Adjustable Reference-Voltage Offset

●• Optimal Transient Response

●\- Active Pulse Positioning (APP) Modulation

●\- Adaptive Phase Alignment (APA)

●• Fully Differential, Continuous DCR Current Sensing

●\- Integrated Programmable Current Sense Resistors

●\- Accurate Load Line Programming

●\- Precision Channel Current Balancing

●• Gate Voltage Optimization Technology (ISL6333,ISL6333B Only)

●• Power Saving Diode Emulation Mode (ISL6333, ISL6333B Only)

●• Optimized for use with Coupled Inductors

●• Variable Gate Drive Bias: +5V to +12V

●• Microprocessor Voltage Identification Inputs

●\- 8-bit VID Input for Selecting VR11 DAC Voltages

●\- Dynamic VID Technology

●• Dynamic VID Compensation

●• Overcurrent Protection and Channel Current Limit

●• Multi-tiered Overvoltage Protection

●• Digital Soft-Start

●• Selectable Operation Frequency up to 1.0MHz Per Phase

●• Pb-free (RoHS Compliant)