NJU7781 Series
Low Dropout Voltage Regulator

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  • Description

    The NJU7781 is a low dropout voltage regulator with ON/OFF Control. Advanced CMOS technology achieves low quiescent current.It is suitable for cellular phone and other portable items. The NJU7781 features shunt switch which improves turn off response of output voltage when ON/OFF control is used.

  • Spec
    Consumer
    Input Voltage Range 2.3 V to 9 V (10 V)
    Operating Temperature Range -40°C to 85°C
    Supply Current Typ. 20 µA
    Standby Current 1 (max.) µA
    Output Voltage Range 1.5V,1.8V,2.1V,2.5V,2.8V,2.9V,3.0V,3.3V,4.0V,5.0V
    Output Voltage Accuracy Typ. ±1 %
    Dropout Voltage Typ. 0.15V (Io=150mA,Vo=3.0V)
    Output Current Io(max)=300 mA
    Ripple Rejection Typ. 65 dB
    Package SOT-89-5-1
    Ceramic Capacitor Output capacitor with 1.0µF ceramic capacitor
    Note Internal Thermal Overload Protection
    Internal Short Circuit Current Limit
    Shunt Switch
    ON/OFF Control (Active High)

    Protections / Functions

    TSD Reverse Current Limit ISC Inrush Constant Slope ECO mode Auto Discharge External Driver
  • Technical
    Documents
  • Quality &
    Packages
    • 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    • Please contact us or our distributors for unpublished reliability information.

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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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Category:LDO Linear Regulators

VIN
min (V)
2.3
VIN
max (V)
9
VOUT
min (V)
1.5
VOUT
max (V)
5
IOUT
(mA)
300
ISS
(µA)
20
Functions Auto Discharge