NJM2377 Series
Switching Regulator Control IC

Download Datasheet

  • Description

    The NJM2377 is a high speed low voltage operation switching regulator control IC. It features a totem pole driver circuit that can directly drive an external Bipolar transistor. The NJM2377 is suitable for potable applications,including TFT panel supply with fly-back configuration.

  • Spec
    Consumer Automotive
    Input Voltage Range 2.7 V to 18 V (18 V)
    Operating Temperature Range -40°C to 85°C -40°C to 125°C
    Supply Current Typ. 5000 µA
    Output Voltage Range 2.7 V to - V
    Output Voltage Accuracy ± 2 %
    Oscillator Frequency 10 to 500 kHz
    Maximum Duty Cycle ON/OFF Maximum Duty Cycle (Ton:Toff = 9:1)
    Package DIP8
    Control PWM switching control
    Function Soft-Start Function
    Note UVLO (Under Voltage Lockout) If you need datasheets of this
    product, please contact us.

    Protections / Functions

    TSD ILX OCP OVP UVLO OVLO Reverse Shutdown Soft Start SSCG PGOOD Auto Discharge Anti-ringing Sequencing Max Duty Ext. Phase LED Adjust
  • Technical
    • SPICE model download

      You can download the product's SPICE model. Login/registration to myNISD is required to download.

    • Related Links

      • Prime Designer

        Online Design Tool

        Registration to myNISD is required to use some of the functions, such as simulations.

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  • 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
ILX LX Current Limit Function
OCP Overcurrent Protection
OVP Overvoltage Protection
UVLO Undervoltage Lockout Protection
OVLO Overvoltage Lockout Protection
Reverse Reverse Current Protection Circuit
Shutdown Shutdown Function
Soft Start Soft Start Function
SSCG Spread Spectrum Clock Generator Function
PGOOD Power Good Output
Auto Discharge Auto Discharge Function
Anti-ringing Anti-ringing Switch Function
Sequencing Start-up Sequencing Control
Max Duty Maximum Duty Cycle
Ext. Phase Externally Adjustable Phase Compensation
LED Adjust LED High-speed Dimming Control

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