NJW4128

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

Data Sheet

Features

  • 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

Package Information

Part NumberPackage OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
NJW4128GM1HSOP8-M18Pure Sn81Yes--Non dry pack1

Sample & Buy

Part NumberPackagesStatusPacking SpecificationSampleBuy
NJW4128GM1-AHSOP8-M1(Active)Contact UsStock Check
NJW4128GM1-BHSOP8-M1(Active)Contact UsStock Check
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