Overview
The L7815ABD2T-TR is a three-terminal positive voltage regulator from STMicroelectronics, part of the L78 series. This regulator is designed to provide a fixed output voltage of 15V and is available in the D2PAK package. It is suitable for a wide range of applications requiring local on-card regulation, eliminating the issues associated with single-point regulation. The device features 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 | 14.7 - 15.3 | V |
| Output Current | Up to 1.5 A | A |
| Input Voltage | Up to 35 V | V |
| Thermal Resistance Junction-Case | 3 °C/W | °C/W |
| Thermal Resistance Junction-Ambient | 62.5 °C/W | °C/W |
| Operating Junction Temperature | -40 to 125 °C | °C |
| Output Voltage Tolerance | 2% | % |
| Dropout Voltage | 2 V | V |
| Output Noise Voltage | 10 µV/VO | µV/VO |
| Short Circuit Current | 0.2 A | A |
| Short Circuit Peak Current | 2.2 A | A |
Key Features
- Fixed output voltage of 15V with a tolerance of 2%
- High output current capability up to 1.5 A
- Internal current limiting, thermal shutdown, and safe area protection
- Low dropout voltage of 2 V
- Low output noise voltage of 10 µV/VO
- Available in D2PAK package
- Operating junction temperature range from -40 to 125 °C
- Thermal overload protection and short circuit protection
Applications
The L7815ABD2T-TR is versatile and can be used in a variety of applications, including:
- Local on-card regulation in electronic devices
- Power supplies requiring fixed voltage output
- Industrial control systems
- Automotive electronics
- Consumer electronics
- Medical devices requiring stable voltage regulation
Q & A
- What is the output voltage of the L7815ABD2T-TR?
The output voltage is 15V with a tolerance of 2%. - What is the maximum output current of the L7815ABD2T-TR?
The maximum output current is up to 1.5 A. - What type of protection does the L7815ABD2T-TR have?
The device features internal current limiting, thermal shutdown, and safe area protection. - What is the dropout voltage of the L7815ABD2T-TR?
The dropout voltage is 2 V. - What is the operating junction temperature range of the L7815ABD2T-TR?
The operating junction temperature range is from -40 to 125 °C. - What package type is the L7815ABD2T-TR available in?
The device is available in the D2PAK package. - What is the thermal resistance junction-case of the L7815ABD2T-TR?
The thermal resistance junction-case is 3 °C/W. - What is the short circuit current of the L7815ABD2T-TR?
The short circuit current is 0.2 A. - Can the L7815ABD2T-TR be used in automotive electronics?
Yes, it can be used in automotive electronics due to its robust protection features and wide operating temperature range. - What is the minimum load current required for regulation?
The minimum load current required for regulation is 5 mA.
