Overview
The LD1086D2T33TR, produced by STMicroelectronics, is a low drop positive voltage regulator capable of providing up to 1.5 A of output current. This regulator is available in both adjustable and fixed output voltage configurations, with fixed voltages including 1.8 V, 3.3 V, and 5 V. It is designed to offer high performance with a typical dropout voltage of 1.3 V at 1.5 A, making it suitable for a wide range of applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Current | Up to 1.5 A | A |
| Dropout Voltage | Typical: 1.3 V, Maximum: 1.5 V at 1.5 A | V |
| Output Voltage Tolerance | ± 1% at 25 °C, ± 2% in full temperature range | % |
| Input Voltage Range | Up to 30 V | V |
| Operating Temperature Range | -40 °C to 125 °C | °C |
| Quiescent Current | 5 to 10 mA | mA |
| Short-Circuit Current | 1.5 to 2 A | A |
| Thermal Resistance Junction-Case | 5 to 8 °C/W (depending on package) | °C/W |
| Packages Available | TO-220, D²PAK, D²PAK/A, DPAK, DFN8 (4x4) |
Key Features
- Low dropout voltage: Typical 1.3 V at 1.5 A, ensuring efficient voltage regulation.
- High output current: Up to 1.5 A, suitable for demanding applications.
- Tight output voltage tolerance: ± 1% at 25 °C and ± 2% over the full temperature range.
- Internal power and thermal limiting: Protects the device from overheating and overcurrent conditions.
- Pin-to-pin compatibility with standard adjustable voltage regulators: Easy to integrate into existing designs.
- Minimal external components required: Only a 10 µF capacitor is needed for stability.
Applications
The LD1086D2T33TR is versatile and can be used in a variety of applications, including:
- Power supplies for electronic devices requiring stable and efficient voltage regulation.
- Industrial control systems where reliable voltage regulation is crucial.
- Automotive systems that need robust and high-performance voltage regulators.
- Consumer electronics such as audio equipment, medical devices, and other high-current applications.
Q & A
- What is the maximum output current of the LD1086D2T33TR?
The maximum output current is up to 1.5 A. - What are the available fixed output voltages for the LD1086D2T33TR?
The available fixed output voltages are 1.8 V, 3.3 V, and 5 V. - What is the typical dropout voltage of the LD1086D2T33TR?
The typical dropout voltage is 1.3 V at 1.5 A. - What is the operating temperature range of the LD1086D2T33TR?
The operating temperature range is -40 °C to 125 °C. - What packages are available for the LD1086D2T33TR?
The available packages are TO-220, D²PAK, D²PAK/A, DPAK, and DFN8 (4x4). - How much quiescent current does the LD1086D2T33TR consume?
The quiescent current is between 5 to 10 mA. - Is the LD1086D2T33TR protected against thermal and power overload?
Yes, it has internal power and thermal limiting. - What is the minimum capacitor required for stability?
A minimum of 10 µF capacitor is required for stability. - Is the LD1086D2T33TR pin-to-pin compatible with older 3-terminal adjustable regulators?
Yes, it is pin-to-pin compatible but offers better performance. - What is the output voltage tolerance of the LD1086D2T33TR?
The output voltage tolerance is ± 1% at 25 °C and ± 2% in the full temperature range.
