Fixed Current-Limiting Power Distribution Switches

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Overview

The NCP382 is a single input dual outputs high side power distribution switch designed for applications where heavy capacitive loads and short circuits are likely to be encountered, incorporating two 80 mΩ, P-channel MOSFETs in a single package.
The device limits the output current to a desired level by switching into a constant current mode when the output load exceeds the current limit threshold or a short is present.
The current limit threshold is internally fixed. The power switches rise and fall times are controlled to minimize current ringing during switching.
The FLAG logic output asserts low during overcurrent and over temperature conditions. The switch is controlled by a logic enable input active high or low.

  • Laptops, USB Ports/Hubs, TVs
  • 2.5 V - 5.5 V operating range
  • 80 mΩ high side MOSFET
  • Current limit: Fixed 500 mA, 1.0 A, 1.5 A and 2 A
  • Undervoltage lockout
  • Soft start prevents inrush current
  • Thermal Protection
  • Soft turn-off
  • Enable active high or low (EN or /EN)
  • Compliance to IEC61000-4-2 (Level 4)
    8.0 kV (Contact) 15 kV (Air)
  • UL Listed for SOIC package (NCP382xDxxxx)– File No. E343275
  • IEC60950 – Edition 2 – Amendment 2 Certified (CB Scheme) for SOIC package (NCP382xDxxxx)

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CAD Models

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rDS(on) Max (mΩ)

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Reference Price

NCP382HD05AAR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Fixed

5.5

140

140

10

$0.2955

More Details

NCP382HD10AAR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Fixed

5.5

140

140

10

$0.2987

More Details

NCP382HD15AAR2G

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Active

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Fixed

5.5

140

140

10

$0.2987

More Details

NCP382LD15AAR2G

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Lifetime

CAD Model

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Fixed

5.5

140

140

10

$0.2987

More Details

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