Switching Regulator Control IC For Flyback With Current Sense Amplifier

Manufacturer's part number :


Manufacturer New Japan Radio

New Japan Radio

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.

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  • 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)
Features Similar products
Switching frequency (kHz) 350  

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Max Input Voltage (V) 32  
Output Voltage (V) 2.55  
Typ. Active Current (µA) 3.5  
Output Capacitor Type Timing Capacitor  
Output Current (mA) ±50  
Operating Temperature (°C) -40 to +85  
Package DMP-14