Switching Regulator IC for Boost Converter Current Mode Control with 45V/1.75A MOSFET (Wide Input Range Products)

Data Sheet


  • Current Mode Control
  • External Clock Synchronization
  • Wide Operating Voltage Range (4.5V to 40V)
  • Switching Current (1.75A min.)
  • PWM Control
  • Built-in Compensation Circuit
  • Correspond to Ceramic Capacitor (MLCC)
  • Oscillating Frequency (300kHz typ. (A ver.) / 700kHz typ. (B ver.) / 2.0MHz typ. (C ver.))
  • Soft Start Function (10ms typ.)
  • UVLO (Under Voltage Lockout)
  • Over Current Protection (Hiccup type)
  • Thermal Shutdown Protection
  • Standby Function
  • Package Outline (NJW4132U2 : SOT-89-5-2)

General Description

The NJW4132 is a boost converter with 45V/1.75A MOSFET. It corresponds to high oscillating frequency, and Low ESR Output Capacitor (MLCC) within wide input range from 4.5V to 40V.Therefore, the NJW4132 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 boost application to a Car Accessory, Office Automation Equipment, Industrial Instrument and so on

Design Simulation Models

Package Information

Part NumberPackage OutlinePLPPinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
NJW4132U2SOT-89-5-25Sn2Bi61YesYesYesNon dry pack1

Sample & Buy

Part NumberPackagesStatusPacking SpecificationSampleBuy
NJW4132U2-ASOT-89-5-2(Active)Contact UsStock Check
NJW4132U2-BSOT-89-5-2(Active)Contact UsStock Check
NJW4132U2-CSOT-89-5-2(Active)Contact UsStock Check