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NCP439 - 2A Very Low Ron Switches

Description

Pin Name Pin Number Type IN A2 POWER GND EN OUT B1 POWER B2 INPUT A1 OUTPUT Description Load

switch input voltage; connect a 0.1 mF or greater ceramic capacitor from IN to GND as close as possible to the IC.

Ground connection.

Enable input, logic high turns on power switch.

Features

  • 1 V.
  • 3.6 V Operating Range.
  • 37 mW P MOSFET at 1.8 V.
  • DC Current Up to 2 A.
  • Output Auto.
  • Discharge.
  • Active High EN Pin.
  • WLCSP4 0.96 x 0.96 mm.
  • This is a Pb.
  • Free Device Typical.

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Datasheet preview – NCP439

Datasheet Details

Part number NCP439
Manufacturer ON Semiconductor
File Size 101.97 KB
Description 2A Very Low Ron Switches
Datasheet download datasheet NCP439 Datasheet
Additional preview pages of the NCP439 datasheet.

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Full PDF Text Transcription

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NCP439 2A Very Low Ron Switches at Low Vin Voltage The NCP439 is a very low Ron MOSFET controlled by external logic pin, allowing optimization of battery life, and portable device autonomy. This load switch is a best in class in term of RDS(on) optimization at low VIN voltage. Due to a current consumption optimization with PMOS structure, leakage currents are eliminated by isolating connected IC’s on the battery when not used. Output discharge path is also embedded to eliminate residual voltages on the output. Proposed in wide input voltage range from 1.0 V to 3.6 V, and a very small 0.96 x 0.96 mm WLCSP4, 0.5 mm pitch. Features • 1 V – 3.6 V Operating Range • 37 mW P MOSFET at 1.8 V • DC Current Up to 2 A • Output Auto−Discharge • Active High EN Pin • WLCSP4 0.96 x 0.
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