NJW4196 Series
Internal 3.5A MOSFET Switching Regulator IC for Buck Converter

Download Datasheet

  • Description

    The NJW4196 is a buck converter with 40V/3.5A MOSFET. It improves transient response at recovering from voltage drop compare with conventional current mode products. Therefore the NJW4196 provides excellent stable regulation even under condition of large voltage fluctuations. Oscillating frequency can be synchronized with an externally input clock. Also, it has a soft start function, an over current protection and a thermal shutdown circuit. It is suitable for power supply for Car Accessory, Office Automation Equipment, Industrial Instrument and so on.


    • Car accessory
    • Industrial equipment
    • OA equipment

  • Spec
    Input Voltage Range 4.45 V to 40 V (45 V)
    Operating Temperature Range -40°C to 125°C
    Supply Current Typ. 3500 µA
    Standby Current 3 (max.) µA
    Output Voltage Range 1 V to 38 V
    Output Voltage Accuracy ± 1 %
    Output Current 3500 mA
    Oscillator Frequency C ver. 450kHz
    J ver. 100k to 1000kHz
    Maximum Duty Cycle 100%
    Package HSOP8-M1
    Control PWM control
    Function Standby function
    Over Current Protection (Hiccup type)
    Thermal shutdown protection
    Power Good function
    Note UVLO function
    Adjustable soft start function
    Corresponds to MLCC

    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
    • Related Links

      • Prime Designer

        Online Design Tool

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

        • [V]
        • [V]
        • [V]
        • [A]
  • 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

Search for similar products under conditions below.

Category:DC/DC Switching Regulators

Topology Buck
min (V)
max (V)
min (V)
max (V)