NJM2391 Series
Low Dropout Voltage Regulator

Download Datasheet

  • Description

    The NJM2391 is a low dropout voltage regulators featuring high precision voltage. It is suitable for Notebook PCs,PC cards and hard disks where 3.3V need to be generated from 5V supply. A small TO-252 package is adopted for the space saving.

  • Spec
    Input Voltage Range (10 V)
    Operating Temperature Range -40°C to 85°C
    Supply Current Typ. 2300 µA
    Output Voltage Range 2.5V,2.6V,2.85V,3.0V,3.3V,3.5V,5.0V
    Output Voltage Accuracy Typ. ±1 %
    Dropout Voltage Typ. ΔVI-O =1.1V at Io=1A
    Output Current Io(max.)=1 A
    Ripple Rejection Typ. 62 dB
    Package TO-252-3-L1
    Note Internal Thermal Shutdown Crcuit
    Internal Short Circuit Current Limit
    Internal Excessive Voltage Protection Circuit

    Protections / Functions

    TSD Reverse Current Limit ISC Inrush Constant Slope ECO mode Auto Discharge External Driver
  • Technical
  • Quality &
    • Refer to the datasheets for the details on the product.
    • The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
    • Please contact us or our distributors for unpublished reliability information.

Download Datasheet

Functional Description

TSD Thermal Shutdown Function
Reverse Current Protection Reverse Current Protection
Current Limit Overcurrent Protection
ISC Short Current Protection
Inrush Current Limit Inrush Current Protection
Constant Slope Constant Slope Function
ECO mode ECO Function
Auto Discharge Auto Discharge Function
External Driver External Output Driver Transistor

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