Controllers | NCP5201

Dual Output DDR Power Controller

Obsolete

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Overview

The NCP5201 Dual DDR Power Controller is specifically designed as a total power solution for a high current DDR memory system. This IC combines the efficiency of a PWM Controller for the VDDQ supply with the simplicity of a linear regulator for the VTT memory termination voltage. The secondary regulator (VTT) is designed to automatically track at half the primary regulator voltage (VDDQ). An internal power good voltage monitor tracks both VDDQ and VTT outputs and notifies the user in the event of a fault on either output. Protective features includes soft-start circuitry and undervoltage monitoring of VCC and VSTBY. The IC is packaged in a 5 X 6 QFN-18.

  • Incorporates VDDQ, VTT Regulators
  • Internal Switching Standby Regulator for VDDQ
  • All External Power MOSFETs Are N-Channel
  • Adjustable VDDQ
  • VTT Tracks VDDQ/2
  • Fixed Switching Frequency of 250 kHz for VDDQ in Normal Mode
  • Doubled Switching Frequency (500 kHz) for Standby Mode
  • Soft-Start Protection for VDDQ
  • Undervoltage Monitor
  • Short-Circuit Protection for Both VDDQ and VTT Outputs
  • Housed in a space saving 5 x 6 QFN-18
  • Pb-Free Packages are Available

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NCP5201MN

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Obsolete

CAD Model

Pb

A

H

P

DFN-18

505

2

235

TUBE

61

N

-

1

Voltage Mode

9.2

12

250

Price N/A

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NCP5201MNG

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Obsolete

CAD Model

Pb

A

H

P

DFN-18

505

1

260

TUBE

61

N

-

1

Voltage Mode

9.2

12

250

Price N/A

More Details

NCP5201MNR2

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Obsolete

CAD Model

Pb

A

H

P

DFN-18

505

2

235

REEL

2500

N

-

1

Voltage Mode

9.2

12

250

Price N/A

More Details

NCP5201MNR2G

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Obsolete

CAD Model

Pb

A

H

P

DFN-18

505

1

260

REEL

2500

N

-

1

Voltage Mode

9.2

12

250

Price N/A

More Details

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