Overview
The LD1086D2M33 is a low drop positive voltage regulator produced by STMicroelectronics. This component is part of the LD1086 series, which is known for its high performance and efficiency. The LD1086D2M33 is specifically configured to provide a fixed output voltage of 3.3 V and is capable of delivering up to 1.5 A of output current. It is designed to be pin-to-pin compatible with older 3-terminal adjustable voltage regulators but offers improved performance in terms of dropout voltage and output tolerance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.3 | V |
| Output Current | Up to 1.5 A | A |
| Dropout Voltage | 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 |
| Package Options | TO-220, D²PAK, D²PAK/A, DPAK, DFN8 (4x4) | |
| Thermal Resistance Junction-Case | 5 °C/W (TO-220), 3 °C/W (D²PAK), 8 °C/W (D²PAK/A), 1.5 °C/W (DPAK), 33 °C/W (DFN8) | °C/W |
Key Features
- Tight output voltage tolerance: ± 1% at 25 °C and ± 2% in full temperature range.
- Low dropout voltage: 1.3 V at 1.5 A, decreasing at lower loads.
- High efficiency: Quiescent current flows into the load, increasing overall efficiency.
- Internal power and thermal limit: Provides protection against overheating and overcurrent conditions.
- Wide operating temperature range: -40 °C to 125 °C.
- Pin-to-pin compatibility with standard adjustable voltage regulators.
- Minimum stability capacitor requirement: 10 µF.
Applications
- Power supplies for electronic devices requiring stable and efficient voltage regulation.
- Industrial control systems and automation.
- Consumer electronics such as audio and video equipment.
- Automotive systems (specific models like LD1086DTTRY and LD1086VY are automotive-grade).
- Telecommunication equipment and networking devices.
Q & A
- What is the maximum output current of the LD1086D2M33?
The LD1086D2M33 can provide up to 1.5 A of output current.
- What is the typical dropout voltage of the LD1086D2M33 at 1.5 A?
The typical dropout voltage is 1.3 V at 1.5 A.
- What are the available package options for the LD1086D2M33?
The available packages include TO-220, D²PAK, D²PAK/A, DPAK, and DFN8 (4x4).
- What is the operating temperature range of the LD1086D2M33?
The operating temperature range is -40 °C to 125 °C.
- What is the quiescent current range of the LD1086D2M33?
The quiescent current ranges from 5 to 10 mA.
- Is the LD1086D2M33 pin-to-pin compatible with older voltage regulators?
Yes, it is pin-to-pin compatible with standard adjustable voltage regulators.
- What is the minimum capacitor requirement for stability?
A minimum of 10 µF capacitor is required for stability.
- Does the LD1086D2M33 have internal protection features?
Yes, it has internal power and thermal limit protection.
- What are some common applications of the LD1086D2M33?
Common applications include power supplies, industrial control systems, consumer electronics, automotive systems, and telecommunication equipment.
- Is the LD1086D2M33 still in production?
No, the LD1086D2M33 is obsolete and no longer manufactured. However, substitutes are available.
