NCP5314

Two/Three/Four-Phase Buck CPU Controller

Overview

The NCP5314 provides full-featured and flexible control for the latest high-performance CPUs. The IC can be programmed as a two-,three- or four-phase buck controller, and the per-phase switching frequency can be as high as 1.2MHz. Combined with external gate drivers and power components, the controller implements a compact, highly integrated multi-phase buck converter.

Features

Switching Regulator Conroller
Programmable 2/3/4 Phase Operation
Lossless Current Sensing
Enhanced V2 Control Method Provides Fast Transient Response
Programmable up to 1.2 MHz Switching Frequency Per Phase
0 to 100% Adjustment of Duty Cycle
Programmable Adaptive Voltage Positioning Reduces Output Capacitor Requirements
Programmable Soft Start
Current Sharing
Differential Current Sense Pins for Each Phase
Current Sharing Within 10% Between Phases
Protection Features
Programmable Pulse-by-Pulse Current Limit for Each Phase
Latching Off Overvoltage Protection
Programmable Latching Overcurrent Protection
Undervoltage Lockout
External Enable Control
Three-State MOSFET Driver Control through Driver-On Signal
System Power Management
6-Bit DAC with 0.5% Tolerance Compatible with VR(M) 10.x Specification
Programmable Lower Power Good Threshold
Power Good Output

Material Composition

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Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

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Container Qty.

Topology

Phases

Control Mode

V_CC Min (V)

V_CC Max (V)

f_SW Typ (kHz)

Reference Price

NCP5314FTR2

Obsolete

LQFP-32

235

REEL

2000

2/3/4

V²

9.5

13.2

150 - 1000

Price N/A

NCP5314FTR2G

Obsolete

LQFP-32

260

REEL

2000

2/3/4

V²

9.5

13.2

150 - 1000

Price N/A

NCP5314MNR2

Obsolete

QFN-32

485J

235

REEL

2500

2/3/4

V²

9.5

13.2

150 - 1000

Price N/A

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Distributor		Stock	BUY

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Controllers | NCP5314

Two/Three/Four-Phase Buck CPU Controller

Overview

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