Controllers | NCP5316

Four/Five/Six-Phase Buck CPU Controller

Obsolete

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Overview

The NCP5316 provides full-featured and flexible control for the latest high-performance CPUs. The IC can be programmed as a four-, five- or six-phase buck controller, and the per-phase switching frequency can be as high as 1.0 MHz. Combined with external gate drivers and power components, the controller implements a compact, highly integrated multi-phase buck converter. Enhanced V2 control inherently compensates for variations in both line and load, and achieves current sharing between phases. This control scheme provides fast transient response, reducing the need for large banks of output capacitors and higher switching frequency.

  • Programmable 4/5/6 Phase Operation
  • Lossless Current Sensing
  • Programmable Up to 1.0 MHz Switching Frequency Per Phase
  • 0 to 100% Adjustment of Duty Cycle
  • Programmable Adaptive Voltage Positioning Reduces Output Capacitor Requirements
  • Programmable Soft Start
  • Differential Current Sense Pins for Each Phase
  • Current Sharing Within 10% Between Phases
  • Programmable Pulse-by-Pulse Current Limit for Each Phase
  • 111110 and 111111 DAC Code Fault
  • Latching Off Overvoltage Protection
  • Programmable Latch Overcurrent Protection
  • Undervoltage Lockout
  • Reference Undervoltage Lockout
  • MOSFET Driver Control through Driver-On Signal
  • 6-Bit DAC with 0.5% Tolerance
  • Programmable Lower Power Good Threshold
  • Power Good Output
  • External Enable Control
  • 3.3V Reference Voltage Output

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NCP5316FTR2

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Obsolete

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CAD Model

Pb

A

H

P

LQFP-48

932AA

2

235

REEL

2000

N

-

4/5/6

V2

9.5

-

100 - 1000

Price N/A

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NCP5316MNR2

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Obsolete

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CAD Model

Pb

A

H

P

QFN-48

485K

2

235

REEL

2500

N

-

4/5/6

V2

9.5

-

100 - 1000

Price N/A

More Details

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