Switching Regulator Control IC for Flyback with Current Sense Amplifier

Data Sheet


  • PWM switching control
  • Operating Voltage (3.6 to 32V)
  • Wide Oscillator Range (5 to 350 kHz)
  • Current Sensing Amplifier
  • Soft-Start Function
  • UVLO(Under Voltage Lockouts)
  • Bipolar Technology
  • Package Outline (DIP14,DMP14,SSOP10)

General Description

The NJM2381 is a low voltage operation DC/DC converter control IC. It features totem pole output directly driving external bipolar transistor and operates at high switching frequency which improves transient response. It is suitable for LCD back light,and other portable applications.

Design Simulation Models

Package Information

Part NumberPackage OutlinePLPPinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
NJM2381DDIP14-14Sn2Bi1130-YesYesNon dry pack--
NJM2381MDMP14-14-Sn2Bi182YesYesYesNon dry pack1
NJM2381VSSOP10-10Sn2Bi42YesYesYesNon dry pack1

Sample & Buy

Part NumberPackagesStatusPacking SpecificationSampleBuy
NJM2381DDIP14(Active)Contact UsStock Check
NJM2381MDMP14(Active)Contact UsStock Check
NJM2381VSSOP10(Active)Contact UsStock Check