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Power Management

Switching Regulator IC for Buck Converter Current Mode Control with 40V/2.5A MOSFET(Wide Input Range Products)

  • Current Mode Control
  • External Clock Synchronization
  • Wide Operating Voltage Range (4.5V to 40V)
  • Switching Current (3.6A min.)
  • PWM Control
  • Built-in Compensation Circuit
  • Correspond to Ceramic Capacitor (MLCC)
  • Oscillating Frequency 450kHz typ.(A ver.), 300kHz typ.(B ver.)
  • Soft Start Function (4ms typ.)
  • UVLO (Under Voltage Lockout)
  • Over Current Protection (Hiccup type)
  • Thermal Shutdown Protection
  • Power Good Function
  • Standby Function
  • Package Outline NJW4128GM1 : HSOP8-M1
General Description
The NJW4128 is a buck converter with 40V/2.5A MOSFET. It corresponds to high oscillating frequency, and Low ESR Output Capacitor (MLCC) within wide input range from 4.5V to 40V.Therefore, the NJW4128 can realize downsizing of applications with a few external parts so that adopts current mode control.Also, it has a soft start function, external clock synchronization,over current protection and thermal shutdown circuit.It is suitable for supplying power to a Car Accessory, Office Automation Equipment, Industrial Instrument and so on.
Design Simulation Models
pdf NJW4128 Application Simulator
Package Information
Part Number Package Outline Pins Material Declaration (RoHS/Halogen) Terminal Finish Weight(mg) (Reference) Reflow soldering Flow soldering Iron soldering Packing Condition MSL Solder Foot Print
NJW4128GM1 download
8 Pure Sn 81 Yes - - Non dry pack 1
Sample & Buy
Part Number Packages Status Packing Specification Sample   Buy   
NJW4128GM1-A HSOP8-M1 (Active)
NJW4128GM1-B HSOP8-M1 (Active)

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