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Power Management

Switching Regulator Control IC for Flyback with Current Sense Amplifier

  • 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
pdf NJM2381 Macro Model
Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
NJM2381D download
14 Sn2Bi 1130 - Yes Yes Non dry pack - -
NJM2381M download
14 - Sn2Bi 182 Yes Yes Yes Non dry pack 1
NJM2381V download
10 Sn2Bi 42 Yes Yes Yes Non dry pack 1
Sample & Buy
Part NumberPackagesStatusPacking SpecificationSample
NJM2381D DIP14 (Active)
NJM2381M DMP14 (Active)
NJM2381V SSOP10 (Active)