Overview
The LD1086D2T33TR, produced by STMicroelectronics, is a low drop voltage regulator designed to provide high performance and efficiency. This component is pin-to-pin compatible with older 3-terminal adjustable regulators but offers improved dropout and output tolerance. It is capable of delivering up to 1.5 A of output current and is available in various packages, including D²PAK, TO-220, DPAK, and DFN8 (4x4).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 V | V |
| Output Current | Up to 1.5 A | A |
| Dropout Voltage | Typical 1.3 V at 1.5 A | V |
| Output Tolerance | ± 1% at 25 °C, ± 2% in full temperature range | % |
| 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 | 3 °C/W (D²PAK) | °C/W |
| Thermal Resistance Junction-Ambient | 62.5 °C/W (D²PAK) | °C/W |
| Package | D²PAK, TO-220, DPAK, DFN8 (4x4) | - |
Key Features
- Low dropout voltage: Typical 1.3 V at 1.5 A output current.
- High output current capability: Up to 1.5 A.
- Tight output voltage tolerance: ± 1% at 25 °C and ± 2% in full temperature range.
- Internal power and thermal limiting.
- Wide operating temperature range: -40 °C to 125 °C.
- Pin-to-pin compatibility with older 3-terminal adjustable regulators.
- Efficient operation: Quiescent current flows into the load, increasing efficiency.
- Minimal external components required: Only a 10 µF capacitor needed for stability.
Applications
The LD1086D2T33TR is suitable for a variety of applications requiring stable and efficient voltage regulation. These include:
- Power supplies for electronic devices.
- Industrial control systems.
- Automotive electronics.
- Consumer electronics.
- Telecommunication equipment.
Q & A
- What is the maximum output current of the LD1086D2T33TR? The maximum output current is up to 1.5 A.
- What is the typical dropout voltage of the LD1086D2T33TR? The typical dropout voltage is 1.3 V at 1.5 A output current.
- 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.
- What are the available packages for the LD1086D2T33TR? The component is available in D²PAK, TO-220, DPAK, and DFN8 (4x4) packages.
- What is the operating temperature range of the LD1086D2T33TR? The operating temperature range is -40 °C to 125 °C.
- Is the LD1086D2T33TR compatible with older 3-terminal adjustable regulators? Yes, it is pin-to-pin compatible with older 3-terminal adjustable regulators.
- What is the quiescent current of the LD1086D2T33TR? The quiescent current is between 5 to 10 mA.
- What is the thermal resistance junction-case for the D²PAK package? The thermal resistance junction-case for the D²PAK package is 3 °C/W.
- What is the minimum capacitor required for stability? A minimum of 10 µF capacitor is required for stability.
- What are some common applications of the LD1086D2T33TR? Common applications include power supplies, industrial control systems, automotive electronics, consumer electronics, and telecommunication equipment.
