NJM2857 Series
Low Dropout Voltage Regulator

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  • Description

    The NJM2857 is a low dropout voltage regulator.This product has Reverse Current Protection without external SBD Advanced Bipolar technology achieves low noise, high ripple rejection and high supply voltage.1.5A output current capacity, 4.7µF small decoupling capacitor,built-in noise bypass capacitor make the NJM2857 suitable for various applications.

  • Spec
    Consumer
    Input Voltage Range 2.6 V to 8 V (10 V)
    Operating Temperature Range -40°C to 125°C
    Supply Current Typ. 500 µA
    Standby Current 0.1 (max.) µA
    Output Voltage Range 1.5V,2.5V,3.0V,3.3V,5.0V
    Output Voltage Accuracy Typ. ±1 %
    Dropout Voltage Typ. 0.20V(Io=1A)
    Output Current Io(max.)=1.5A
    Ripple Rejection Typ. 80 dB
    Output Noise Voltage 55µVrms typ.(Vo = 3V Version)
    Package TO-252-5-L3
    Ceramic Capacitor Output capacitor with ceramic capacitor
    Note Internal Thermal Overload Protection
    Internal Over Current Protection
    Internal Reverse 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
    NJM2857DL3
    • gradeConsumer
    		 TO-252-5-L3 - -
    • 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    • Please contact us or our distributors for unpublished reliability information.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)		 2.6
VIN
max (V)		 8
VOUT
min (V)		 1.5
VOUT
max (V)		 5
IOUT
(mA)		 1500
ISS
(µA)		 500