Step-Down Switching Regulator IC With Constant Current Control

Manufacturer's part number :

NJU7650

Manufacturer New Japan Radio

New Japan Radio

Description :

The NJU7650 is a low voltage operation high-speed switching regulator control IC for step-down converter, with a constant current control. It incorporates a totem pole output, which can drive an external MOS-FET easily. It also incorporates error amplifier and current sense amplifier, which can allow the constant voltage/current control for output voltage. Therefore the NJU7650 is suitable for a LED driving, battery charger and other CCCV applications. The NJU7650 is available in a small and thin 8-lead MSOP (TVSP) package.

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    Features

  • PWM switching control
  • Constant Current Control
  • Operating Voltage (2.2V to 8V)
  • Wide Oscillator Range (300kHz to 1MHz)
  • Maximum Duty Cycle (100%)
  • Quiescent Current (800µA typ.)
  • Soft-Start Function Internal (Internal : 16ms typ. or adjustable)
  • Dead Time Control
  • C-MOS Technology
  • Package Outline (NJU7650RB1 :MSOP8(TVSP8)*MEET JEDEC MO-187-DA / THIN TYPE)
Features Similar products
Switching frequency (kHz) 1000  

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Max Input Voltage (V) 8  
Typ. Active Current (µA) 0.8  
Output Current (mA) 0.22  
Operating Temperature (°C) -40 to +85  
Package DMP-8