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L78L09ABUTR Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
L78L09ABUTRST10000Yes

L78L09ABUTR** is a positive voltage regulator manufactured by **STMicroelectronics (ST)**.

The L78L09ABUTR is a positive voltage regulator manufactured by STMicroelectronics (ST).

Specifications:

  • Output Voltage: +9V
  • Output Current: 100mA
  • Input Voltage Range: Up to 30V
  • Dropout Voltage: 1.7V (typical)
  • Line Regulation: 0.1% (typical)
  • Load Regulation: 0.3% (typical)
  • Operating Temperature Range: -40°C to +125°C
  • Package: SOT-89 (surface-mount)
  • Protection Features: Short-circuit protection, thermal shutdown

Descriptions:

The L78L09ABUTR is a low-current, fixed-output linear voltage regulator designed for applications requiring a stable +9V supply. It is suitable for powering low-power circuits and is commonly used in consumer electronics, industrial controls, and automotive applications.

Features:

  • Low Quiescent Current: Optimized for battery-powered applications
  • Internal Thermal Overload Protection: Prevents damage from excessive heat
  • No External Components Required: Only input/output capacitors needed for stability
  • Short-Circuit Proof: Built-in current limiting

This regulator is part of ST’s L78Lxx series, which offers fixed output voltages in a compact package.

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