IC / ISL6333CRZ / QFN /

تولید کننده: Intersil
مدل کالا: QFN
تماس 8893- 6186
قیمت: 0تومان


Three-Phase Buck PWM Controller with Integrated MOSFET Drivers and Light Load Efficiency Enhancements for Intel VR11.1 Applications

The ISL6333CRZ 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 ( ISL6333CRZ) from the separate PWM controller and driver configuration of previous multi-phase product families. By reducing the ( ISL6333CRZ) number of external parts, this integration is optimized for a cost and space saving power management solution

The ISL6333CRZ  controllers also include advanced control loop features for optimal transient response to load application and removal. One of these features is highly accurate, fully differential, continuous DCR current sensing for load line ( ISL6333CRZ ) programming and channel current balance. Active Pulse Positioning (APP) Modulation and Adaptive Phase Alignment (APA) are two other unique ( ISL6333CRZ ) features, allowing for quicker initial response to high di/dt load transients. With this quicker initial ( ISL6333CRZ ) response to load transients, the number of output bulk capacitors can be reduced, helping to reduce cost

Integrated into the ISL6333CRZ  controllers are user-programmable current sense resistors, which require only a single external resistor to set their values. No external current sense resistors are required. Another unique feature of the ISL6333 controllers is the addition of a dynamic VID compensation pin that allows optimizing compensation to be added for well-controlled dynamic VID response


3Phase or 2-Phase Operation ( ISL6333CRZ ) with Internal Drivers

Variable Gate ( ISL6333CRZ ) Drive Bias: +5V to +12V

Dynamic VID ( ISL6333CRZ ) Compensation

Selectable Operation ( ISL6333CRZ ) Frequency up to 1.0MHz Per Phase


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