Two-Phase Buck PWM Controller
DATASHEET
ISL6322G
Two-Phase Buck PWM Controller with Integrated MOSFET Drivers, I2C Interface, and Phase Dropping
FN6...
Description
DATASHEET
ISL6322G
Two-Phase Buck PWM Controller with Integrated MOSFET Drivers, I2C Interface, and Phase Dropping
FN6715 Rev 0.00 May 22, 2008
The ISL6322G two-phase PWM control IC provides a precision voltage regulation system for advanced microprocessors and memory. The integration of power MOSFET drivers into the controller IC marks a departure from the separate PWM controller and driver configuration of previous multiphase product families. By reducing the number of external parts, this integration is optimized for a cost and space saving power management solution.
One outstanding feature of this controller IC is its multi-processor compatibility, allowing it to work with both Intel and AMD microprocessors. Included are programmable VID codes for Intel VR10, VR11, as well as AMD DAC tables. A unity gain, differential amplifier is provided for remote voltage sensing, compensating for any potential difference between remote and local grounds. The output voltage can also be positi...
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