Product Overview
NCP5392: 2/3/4-Phase VR11.1 Buck Controller
For complete documentation, see the data sheet.
The NCP5392 provides up to a 4-phase buck solution which combines differential voltage sensing, differential phase current
sensing, and adaptive voltage positioning to provide accurately regulated power for both Intel and AMD processors. Dual-edge
pulse width modulation combined with inductor current sensing reduces system cost by providing the fastest initial response to
dynamic load events. Dual-edge multiphase modulation reduces the total bulk and ceramic output capacitance required to meet
transient regulation specifications. A high performance operational error amplifer is provided to simplify compensation of the system.
Dynamic Reference Injection further simplifies loop compensation by eliminating the need to compromise between closed loop
transient response and Dynamic VID performance.
Features
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Dual Edge PWM
High Performance Operational Error Amplifier
Dynamic Reference Injection
DAC Range from 0.375V to 1.6V
.5% System Voltage Accuracy from 1.0V to 1.6V
True Differential Remote Voltage Sensing Amplifier
Phase to Phase Current Balancing
Differential Current Sense Amplifier for each Phase
Frequency Range: 100kHz - 1.0MHz
Meets Intels 11.0, 11.1 and AMD 6 bit Code specifications
For more features, see the data sheet
Benefits
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Fewer output capacitors required resulting in reduced cost
Ease of Use
Ease of use and tuning
Versatility
Reduced cost
Ease of Use
Reduced cost
Ease of Use
Reduced cost and improved performance
Versatility
Applications
• Desktop Processors
• Servers
End Products
• Desktop Processors
For more information please contact your local sales support at www.onsemi.com.
Created on: 11/1/2018
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