PWM DC/DC Converter IC With Standby Function

Manufacturer's part number :


Manufacturer New Japan Radio

New Japan Radio

Description :

The NJM2345 is a step down PWM DC/DC converter IC.An internal 1.5A power transistor, a pulse-by pulse current limit circuit and a 1% precision reference make the NJM2345 suitable for a wide range of voltage converter needs. The NJM2345 features a standby function that can be used for both power saving and safety operation.

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  • Operating Voltage (3.0V to 40V)
  • Wide Oscillator Frequency (1kHz to 150kHz)
  • Maximum duty ratio (100%)
  • Precision Reference Voltage (Vth=1.25V±1%)
  • Internal High Power Transistor
  • Internal Over Current Limit Circuit
  • Standby Function (9µA typ.)
  • Bipolar Technology
  • Package Outline (NJM2345D:DIP8
  • NJM2345M:DMP8)
Features Similar products
Switching frequency (kHz) 150  

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Max Input Voltage (V) 40  
Output Voltage (V) 40  
Typ. Active Current (µA) 2.8  
Output Capacitor Type Timing Capacitor  
Output Current (mA) 1500  
Operating Temperature (°C) -40 to +85  
Package DMP-8