NJW4187 Series
High Voltage Io=1000mA Low Dropout Regulator

Download Datasheet

  • Description

    The NJW4187 is a high voltage and low current consumption low dropout regulator. It has two lineups as A version (built-in ON/OFF function type) and B version (3-terminal / compatible with 78 series) NJW4187 is mounted to TO-252-3/-5 packages and corresponded to Low ESR capacitor (MLCC). The wide input range makes NJW4187 suitable for a Car accessory, industrial supplies, battery equipment and various applications.

  • Spec
    Consumer Automotive
    Input Voltage Range 4 V to 40 V (45 V)
    Operating Temperature Range -40°C to 125°C
    Supply Current Typ. 55 µA Max. 110 µA
    Standby Current 1 (max.) µA 1(max.) µA
    Output Voltage Range 3.3V,5.0V
    Output Voltage Accuracy Typ. ±1 % Typ. ±2 %
    Output Current Io (min.)=1000 mA
    Ripple Rejection Typ. 58 dB
    Package TO-252-5-L3, TO-252-3-L1 TO-252-5-L3
    Ceramic Capacitor Correspond to Low ESR capacitor (MLCC)
    Note Internal Thermal Overload Protection
    Internal Over Current Protection
    ON/OFF Control (apply only the A version)
    If you need datasheets of this
    product, please contact us.

    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 or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

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

Search for similar products under conditions below.

Category:LDO Linear Regulators

min (V)
max (V)
min (V)
max (V)