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NJW4190 Series
Doubler Charge Pump IC

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  • Description

    The NJW4190 is a doubler charge pump IC that operates wide 5V to 17V input range. With only the external part of an input/output capacitor and a charge pump capacitor, it can compose the doubler voltage circuit. It has a high current capability and a corresponding to small-sized capacitor compared with conventional product such as popular 7660/7662. For usability, it has ON/OFF function, Output Voltage Adjustable function and external synchronous function. The NJW4190 is suitable for the bias voltage of CCD, sensors and operational amplifiers. There is the NJW4191 for inverter voltage output application.

  • Spec
    Consumer
    Operating Current Max. 1.25 mA
    Operating voltage range 5V to 17V
    Output Resistance Max. 42 Ω
    Structure Bi-CMOS Technology
    Wide Operating Temperature -40℃ to +85℃
    Junction Temp. +150℃
    Package MSOP8(VSP8),DMP8
    Doubler Output Max. 34V
    Maximum Output Current Max. 55mA
    Built-in Oscillation Circuit Typ. 300kHz
    External Synchronization Function divide-by-4 counter(A ver.)
    Note Correspond to Ceramic Capacitor(MLCC)
    VOUT Programmable
    ON/OFF Function
    Thermal Shutdown
    Note(2) Function Compatible to NJU7660/NJU7662 Doubler Circuit
    (The NJW4190 is not pin compatible to NJU7660/62.)
  • Technical
    Documents
  • Quality &
    Packages
    • 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

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