CS5323: Three-Phase Buck Controller with 5-Bit DAC

Datasheet: Three-Phase Buck Controller with 5-Bit DAC Rev. 7 (328.0kB)

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The CS5323 is a three-phase step down controller that incorporates all control functions required to power next generation processors. Proprietary multi-phase architecture guarantees balanced load current distribution and reduces overall solution cost in high current applications. Enhanced V² control architecture provides the fastest possible transient response, excellent overall regulation, and ease of use.

The multi-phase architecture reduces input and output filter ripple, allowing for a reduction in filter size and inductor values with a corresponding increase in the output inductor current slew rate.

特性
Enhanced V2 Control Method
5-Bit DAC with 1.0% Tolerance
Adjustable Output Voltage Positioning
Programmable Frequency Set by Single Resistor
200 kHz to 800 kHz Operation (Per Phase)
Current Sensed through Sense Resistors, or Buck Inductors
Adjustable Current Sense Threshold
Hiccup Mode Current Limit
Over-Voltage Protection through Synchronous MOSFET's
Individual Current Limits for Each Phase
On-Board Current Sense Amplifiers
3.3 V, 1.0 mA Reference Output
5.0 V and/or 12 V Operation
On/Off Control (through COMP Pin)

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