The NJM2878F4-33-TE1 is a 3.3V fixed output low dropout (LDO) regulator manufactured by New Japan Radio (NJR). This regulator is designed to provide a stable and clean voltage supply for various electronic circuits, especially in battery-powered and noise-sensitive applications.

Applications

  
• Battery-powered devices
  
• Microcontroller power supply
  
• Sensor power supply
  
• Wireless communication devices
  
• Portable audio players

Features

  
• Fixed output voltage: 3.3V
  
• Low dropout voltage: Typically 0.12V at 150mA
  
• Output current: Up to 200mA
  
• Low quiescent current: Typically 55μA
  
• Overcurrent protection
  
• Thermal shutdown protection
  
• Small package: SOT-23-5
  
• High ripple rejection: 70dB (Typ.) at 1kHz

Benefits

  
• Stable voltage supply: Provides a clean and stable 3.3V output, ensuring proper operation of connected circuits.
  
• Extended battery life: Low dropout voltage and low quiescent current minimize power consumption, extending battery life in portable devices.
  
• Overload protection: Overcurrent and thermal shutdown protection prevent damage to the regulator and connected circuits in case of overloads or short circuits.
  
• Simplified design: Fixed output voltage simplifies the design process.
  
• Compact solution: Small SOT-23-5 package saves board space.

Additional Details

The NJM2878F4-33-TE1 utilizes internal compensation, making it easy to use without requiring external capacitors for stability in many applications. The high ripple rejection helps filter out noise and interference from the input voltage, providing a clean output voltage. Consult the datasheet for specific input voltage range, load regulation, and transient response characteristics. It's suitable for powering sensitive analog and digital circuits where a stable and clean voltage supply is crucial.