L78L15ABUTR

L78L15ABUTR is a L78L series, three-terminal positive voltage regulator. It employs internal current limiting and thermal shutdown, making it essentially indestructible. If adequate heat-sink is provided, it can deliver up to 100mA output current. It is intended as a fixed voltage regulator in a wide range of applications including local or on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, it can be used with power pass elements to make high-current voltage regulators. The L78L series used as a zener diode/resistor combination replacement offers improvement along with lower quiescent current and lower noise.

• Short-circuit protection
• No external components are required
• Output voltage is 15V typical (TJ = 25°C)
• Quiescent current is 6.5mA maximum (TJ = 25°C)
• Output noise voltage is 90µV typical (B = 10Hz to 100KHz, TJ = 25°C)
• Supply voltage rejection is 39dB typical (VI = 18.5 to 28.5V, f = 120Hz, IO = 40mA, TJ = 25°C)
• Operating junction temperature range from -40 to 125°C
• SOT-89 package

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