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78M09A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
78M09AST140Yes

78M09A** is a **9V, 500mA positive voltage regulator** manufactured by **STMicroelectronics**.

The 78M09A is a 9V, 500mA positive voltage regulator manufactured by STMicroelectronics.

Key Specifications:

  • Output Voltage: 9V ±4%
  • Output Current: Up to 500mA
  • Input Voltage Range: Up to 35V
  • Dropout Voltage: 2V (typical)
  • Operating Temperature Range: 0°C to +125°C
  • Package: TO-252 (DPAK)

Features:

  • Fixed Output Voltage (9V)
  • Thermal Overload Protection
  • Short-Circuit Protection
  • Internal Current Limiting
  • Low Quiescent Current
  • Suitable for Automotive Applications (AEC-Q100 qualified versions available)

This regulator is commonly used in power supply circuits requiring stable 9V output with moderate current capability.

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