Controllers | NCP5393B

2/3/4 Phase Controller for CPU Applications

Obsolete

Datasheet

Products

Similar Products

Overview

The NCP5393B is a multiphase synchronous buck regulator controller designed to power the Core and Northbridge of an AMD microprocessor. The controller has a user configurable two, three, or four phase regulator for the Core and an independent single phase regulator to power the microprocessor Northbridge. The NCP5393B incorporates differential voltage sensing, differential phase current sensing, optional load-line voltage positioning, and programmable VDD and VDDNB offsets to provide accurately regulated power parallel and serial VID AMD processors. Dual-edge multiphase modulation provides the fastest initial response to dynamic load events. This reduces system cost by requiring less bulk and ceramic output capacitance to meet transient regulation specifications. High performance operational error amplifiers are provided to simplify compensation of the VDD and VDDNB regulators. Dynamic Reference Injection further simplifies loop compensation by eliminating the need to compromise between response to load transients and response to VID code changes.

  • Desktop Processors
  • Server Processors

  • High end Notebook PCs

  • Meets AMDs Parallel, Serial and Hybrid VR Specifications
  • Up to Four VDD Phases and Single-Phase VDDNB Controller
  • Dual-Edge PWM for Fastest Initial Response to Transient Loading
  • 0.5% DAC Accuracy for 0.8 V to 1.55 V
  • VDD and VDD Offset Ranges 0 mV - 800 mV
  • Phase-to-Phase IDD Current Balancing
  • Lossless Inductor Current Sensing for VDD and VDDNB Outputs
  • Supports Load Lines (Droop) for VDD and VDDNB Outputs
  • Oscillator Range of 100 kHz - 1 MHz
  • Over Voltage Protection and Over Current Protection

Tools and Resources

Product services, tools and other useful resources related to NCP5393B

CAD Model

CAD Model

Material Composition

Product Change Notification

Product List

If you wish to buy products or product samples, please log in to your onsemi account.

Search

Close Search

Products:

1

Share

Sort by

Product Groups:

┗

Orderable Parts:

1

Product

Status

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Phases

Control Mode

VCC Min (V)

VCC Max (V)

fSW Typ (kHz)

Reference Price

NCP5393BMNR2G

Loading...

Obsolete

Similar Products
CAD Model

Pb

A

H

P

QFN-48

485AJ

1

260

REEL

2500

N

Step-Down

2/3/4

Current/Voltage Mode

4.75

5.25

100 - 1000

Price N/A

More Details

Show More

1-25 of 25

Products per page

Jump to :

1
contact sales icon

Support on the go

Find and compare products, get support and connect with onsemi sales team.