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NCP5395G

ON Semiconductor
Part Number NCP5395G
Manufacturer ON Semiconductor
Description 2/3/4-Phase Controller
Published Jan 14, 2016
Detailed Description NCP5395G 2/3/4-Phase Controller with On Board Gate Drivers for CPU Applications The NCP5395G provides up to a four−pha...
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NCP5395G
NCP5395G

Overview
NCP5395G 2/3/4-Phase Controller with On Board Gate Drivers for CPU Applications The NCP5395G provides up to a four−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.
It also receives power saving command (PSI) from CPU, and operates in a single phase emulation diode mode to obtain a high efficiency at light load.
Dual−edge pulse−width modulation (PWM) combined with precise inductor current sensing provides the fastest initial response to dynamic load events both in power saving and normal modes.
Dual−edge multiphase modulation reduces the total bulk and ceramic output capacitance required therefore reducing the system cost to meet transient regulation specifications.
The on board gate drivers includes adaptive non overlap and power saving operation.
A high performance operational error amplifier is provided to simplify compensation of the system.
Patented Dynamic Reference Injection further simplifies loop compensation by eliminating the need to compromise between closed−loop transient response and Dynamic VID performance.
Features • Meets Intel’s VR11.
1 and AMD’s 6 Bit Code Specifications • Enhanced Power Saving Function • Internal Soft Start • Dual−edge PWM for Fastest Initial Response to Transient Loading • High Performance Operational Error Amplifier • Dynamic Reference Injection (Patent #US07057381) • DAC Range from 0.
5 V to 1.
6 V • DAC Feed Forward Function (Patient Pending) • ±0.
5% DAC Voltage Accuracy from 1.
0 V to 1.
6 V • True Differential Remote Voltage Sensing Amplifier • Phase−to−Phase Current Balancing • “Lossless” Differential Inductor Current Sensing • Accurate Current Monitoring (IMON) • Differential Current Sense Amplifiers for Each Phase • Adaptive Voltage Positioning (AVP) • Oscillator Frequency Range of 125 kHz − 1 MHz • Latched Over Voltage Protection (OVP) • Guaranteed S...


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