NJU7790 Series
Low Dropout Voltage Regulator

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  • Description

    The NJU7790 is a 500mA output low dropout voltage regulator with ON/OFF control.Advanced CMOS technology achieves high ripple rejection and low quiescent current.Small packaging and 2.2µF small decoupling capacitor make the NJU7790 suitable for space conscious applications.

  • Spec
    Consumer
    Input Voltage Range 2.3 V to 8 V (9 V)
    Operating Temperature Range -40°C to 85°C
    Supply Current Typ. 30 µA
    Standby Current 0.1 µA
    Output Voltage Range 1.5V,2.1V,3.0V,3.3V,5.0V
    Output Voltage Accuracy Typ. ±1 %
    Dropout Voltage Typ. 0.14V (Io=300mA, Vo=3.0V Version)
    Output Current Io(max.)=500 mA
    Ripple Rejection Typ. 65 dB
    Package SOT-89-5-1
    Ceramic Capacitor Output capacitor with 2.2µF ceramic capacitor (Vo≥2.1V version)
    Note Internal Thermal Overload Protection
    Internal Over Current Protection
    ON/OFF Control
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    Protections / Functions

    TSD Reverse Current Limit ISC Inrush Constant Slope ECO mode Auto Discharge External Driver
    Functional Description
  • Technical
    Documents
  • Quality &
    Packages
    Product Name Compatibility Package Marking Reliability
    NJU7790U1
    • gradeConsumer
    		 SOT-89-5-1 - -
    • 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    • Please contact us or our distributors for unpublished reliability information.
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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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Category:LDO Linear Regulators

VIN
min (V)		 2.3
VIN
max (V)		 8
VOUT
min (V)		 1.5
VOUT
max (V)		 5
IOUT
(mA)		 500
ISS
(µA)		 30