Overview
The L78M10ABDT-TR is a three-terminal positive voltage regulator produced by STMicroelectronics. It is part of the L78M series, which offers a range of fixed output voltages and is available in various packages, including the DPAK package for this specific model. This regulator is designed to provide local on-card regulation, eliminating the issues associated with single-point regulation. It is known for its robust features, including internal current limiting, thermal shutdown, and safe area protection, making it highly reliable and essentially indestructible if adequate heat sinking is provided.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 9.8 - 10.2 | V |
| Output Current | Up to 500 mA | mA |
| Line Regulation | 100 mV (VI = 12.5 to 30 V, IO = 200 mA) | mV |
| Load Regulation | 200 mV (IO = 5 to 500 mA) | mV |
| Output Voltage Tolerance | ±2% | % |
| Quiescent Current | 6 mA | mA |
| Dropout Voltage | 2 V | V |
| Short Circuit Current | 245 mA (VI = 35 V, TJ = 25°C) | mA |
| Operating Junction Temperature | -40 to 125 °C | °C |
| Package | DPAK |
Key Features
- Fixed output voltage of 10 V
- Output current up to 500 mA
- Internal current limiting and thermal shutdown for protection
- Safe area protection (SOA)
- ±2% output voltage tolerance
- Guaranteed operation in extended temperature range (-40 to 125 °C)
- Low dropout voltage of 2 V
- High supply voltage rejection ratio (SVR)
- Low output noise voltage
Applications
The L78M10ABDT-TR is versatile and can be used in a wide range of applications, including:
- Local on-card regulation to eliminate distribution problems associated with single-point regulation
- Power supplies for various electronic devices
- Industrial control systems
- Consumer electronics
- Automotive systems (where applicable)
Q & A
- What is the output voltage of the L78M10ABDT-TR?
The output voltage is 10 V with a tolerance of ±2%.
- What is the maximum output current of the L78M10ABDT-TR?
The maximum output current is up to 500 mA.
- What are the key protection features of the L78M10ABDT-TR?
The key protection features include internal current limiting, thermal shutdown, and safe area protection.
- What is the operating junction temperature range for the L78M10ABDT-TR?
The operating junction temperature range is -40 to 125 °C.
- What is the dropout voltage of the L78M10ABDT-TR?
The dropout voltage is 2 V.
- What is the quiescent current of the L78M10ABDT-TR?
The quiescent current is 6 mA.
- What is the short circuit current of the L78M10ABDT-TR?
The short circuit current is 245 mA at VI = 35 V and TJ = 25°C.
- In what package is the L78M10ABDT-TR available?
The L78M10ABDT-TR is available in the DPAK package.
- What are some common applications of the L78M10ABDT-TR?
Common applications include local on-card regulation, power supplies, industrial control systems, consumer electronics, and automotive systems.
- How does the L78M10ABDT-TR handle thermal issues?
The L78M10ABDT-TR includes thermal shutdown and safe area protection to handle thermal issues.
