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STMICROELECTRONICS L78L05ABZ Voltage Regulator

The L78L series consists of three-terminal positive voltage regulators designed for reliable, noise-free power delivery in various electronic applications. They feature internal current limiting, thermal shutdown, and no external components required. With output voltages of 3.3V, 5V, 6V, 8V, 9V, 10V, 12V, 15V, 18V, 24V, and current up to 100mA, these regulators are suitable for local regulation, powering high-current voltage regulators, and replacing Zener diode-resistor setups. They offer excellent thermal protection, ensuring durability and stable operation under varying loads and temperatures.

Authorized Distributors
Source:Newark
Part No:L78L05ABZ
Stock:5149
Inv Date:06-11-2026
Price: Unit price: $0.348
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Source:DigiKey
Part No:L78L05ABZ
Stock:16867
Inv Date:06-11-2026
Price: Unit price: $0.38
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Part No:L78L05ABZ
Stock:4503
Inv Date:06-12-2026
Price: Unit price: $0.34
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Part No:L78L05ABZ
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.19
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Part No:L78L05ABZ
Stock:68470
Inv Date:06-11-2026
Price: Unit price: $0.141
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Source:Arrow EU
Part No:L78L05ABZ
Stock:66962
Inv Date:06-12-2026
Price: N/A
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Part No:L78L05ABZ
Stock:476
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS L78L05ABZ Voltage Regulator Specifications:

  • Output Voltages: 3.3V, 5V, 6V, 8V, 9V, 10V, 12V, 15V, 18V, 24V
  • Maximum Output Current: 100 mA
  • Package Types: TO-92, SO-8, SOT-89
  • Thermal Overload Protection: Yes
  • Short-circuit Protection: Yes
  • No External Components Required
  • Thermal Shutdown: Yes
  • Line Regulation (typ): 100-350 mV depending on model
  • Load Regulation (typ): 30-150 mV depending on model
  • Quiescent Current (typ): 5-6.5 mA
  • Output Noise Voltage (max): 40-120 μV
  • Dropout Voltage: 1.7V at 40mA load
  • Operating Temperature Range: -40°C to 125°C
  • Storage Temperature Range: -65°C to 150°C
  • Input Voltage Range: 5.3V to 33V depending on regulator
  • Certifications: UL Listed, CSA Certified

Buy the STMicroelectronics L78L – Reliable Voltage Regulator for Industrial Applications

Experience dependable power regulation with the STMicroelectronics L78L series. These reliable, compact three-terminal regulators deliver up to 100mA current with various output voltages. Suitable for local or on-card regulation, they eliminate noise and distribution issues. With internal current limiting, thermal shutdown, and no external components needed, they excel in industrial applications. Order today online to secure high-quality, durable voltage regulation for your electronic systems, ensuring optimal performance and maximum protection across a wide temperature range.

Order your STMicroelectronics L78L series voltage regulator today and ensure your industrial projects benefit from dependable, noise-free power regulation.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS L78L05ABZ?

You can click on the BUY or RFQ button to purchase L78L05ABZ from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part L78L05ABZ?

You can download the L78L05ABZ datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of L78L05ABZ?

STMICROELECTRONICS

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