Overview
The LD1085D2M12R is a low drop positive voltage regulator produced by STMicroelectronics. This component is part of the LD1085 series, which is known for its high performance and versatility. The LD1085D2M12R is specifically designed to provide a fixed output voltage of 12 V, making it suitable for a wide range of applications that require stable and efficient voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 12 V | V |
| Output Current | Up to 3 A | A |
| Dropout Voltage | Typical 1.3 V, Maximum 1.5 V at 3 A | V |
| Output Tolerance | ± 1% at 25 °C, ± 2% in full temperature range | % |
| Quiescent Current | Typical 5 mA, Maximum 10 mA | mA |
| Operating Temperature Range | -40 °C to 125 °C | °C |
| Thermal Resistance Junction-Case | 3 °C/W (TO-220), 5 °C/W (TO-220FP), 3 °C/W (D²PAK), 5 °C/W (D²PAK/A) | °C/W |
| Thermal Resistance Junction-Ambient | 50 °C/W (TO-220), 60 °C/W (TO-220FP), 62.5 °C/W (D²PAK), 62.5 °C/W (D²PAK/A) | °C/W |
| Package Types | TO-220, TO-220FP, D²PAK, D²PAK/A |
Key Features
- Low dropout voltage: Typical 1.3 V, Maximum 1.5 V at 3 A.
- High output current capability: Up to 3 A.
- Tight output voltage tolerance: ± 1% at 25 °C, ± 2% in full temperature range.
- Internal power and thermal limiting.
- Wide operating temperature range: -40 °C to 125 °C.
- Pin-to-pin compatibility with standard adjustable 3-terminal regulators.
- Efficient operation with quiescent current flowing into the load.
- Minimum capacitor requirement for stability: 10 µF.
Applications
The LD1085D2M12R is suitable for various applications requiring stable and efficient voltage regulation, such as:
- Power supplies for industrial and consumer electronics.
- Automotive systems.
- Telecommunication equipment.
- Medical devices.
- Embedded systems and microcontrollers.
Q & A
- What is the output voltage of the LD1085D2M12R?
The output voltage of the LD1085D2M12R is 12 V. - What is the maximum output current of the LD1085D2M12R?
The maximum output current is up to 3 A. - What is the typical dropout voltage of the LD1085D2M12R?
The typical dropout voltage is 1.3 V at 3 A. - What is the output voltage tolerance of the LD1085D2M12R?
The output voltage tolerance is ± 1% at 25 °C and ± 2% in the full temperature range. - What are the package options for the LD1085D2M12R?
The package options include TO-220, TO-220FP, D²PAK, and D²PAK/A. - What is the minimum capacitor requirement for stability?
The minimum capacitor requirement for stability is 10 µF. - What is the operating temperature range of the LD1085D2M12R?
The operating temperature range is -40 °C to 125 °C. - Does the LD1085D2M12R have internal thermal limiting?
Yes, the LD1085D2M12R has internal power and thermal limiting. - Is the LD1085D2M12R pin-to-pin compatible with other regulators?
Yes, it is pin-to-pin compatible with standard adjustable 3-terminal regulators. - What is the quiescent current of the LD1085D2M12R?
The quiescent current is typical 5 mA and maximum 10 mA.
