Overview
The LD1086D2M, produced by STMicroelectronics, is a low drop voltage regulator designed to provide up to 1.5 A of output current. This regulator is notable for its high efficiency and tight output voltage tolerance. It is pin-to-pin compatible with older 3-terminal adjustable regulators but offers improved performance in terms of dropout voltage and output tolerance. The LD1086D2M is available in various packages, including TO-220, D²PAK, D²PAK/A, DPAK, and DFN8 (4x4), making it versatile for different application needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Current | Up to 1.5 A | A |
| Dropout Voltage | 1.2 V (max) at 1.5 A | V |
| Output Voltage Tolerance | ± 1% at 25 °C, ± 2% in full temperature range | % |
| Fixed Output Voltages | 1.8 V, 3.3 V, 5 V | V |
| Operating Temperature Range | -40 °C to 125 °C | °C |
| Package Options | TO-220, D²PAK, D²PAK/A, DPAK, DFN8 (4x4) | - |
| Quiescent Current | 5-10 mA | mA |
| Minimum Capacitor for Stability | 10 µF | µF |
Key Features
- Typical dropout voltage of 1.3 V at 1.5 A
- Three-terminal adjustable or fixed output voltage options (1.8 V, 3.3 V, 5 V)
- Internal power and thermal limit for protection
- Wide operating temperature range from -40 °C to 125 °C
- Pinout compatibility with standard adjustable voltage regulators
- High efficiency due to quiescent current flowing into the load
- Tight output voltage tolerance within ± 1% at 25 °C and ± 2% in full temperature range
Applications
The LD1086D2M is suitable for a variety of applications requiring stable and efficient voltage regulation. These include:
- Power supplies for industrial and consumer electronics
- Automotive systems requiring robust voltage regulation
- Telecommunication equipment
- Medical devices needing precise voltage control
- Embedded systems and IoT devices
Q & A
- What is the maximum output current of the LD1086D2M?
The LD1086D2M can provide up to 1.5 A of output current.
- What are the fixed output voltage options available for the LD1086D2M?
The fixed output voltage options are 1.8 V, 3.3 V, and 5 V.
- What is the typical dropout voltage of the LD1086D2M at maximum output current?
The typical dropout voltage is 1.3 V at 1.5 A.
- What is the operating temperature range of the LD1086D2M?
The operating temperature range is from -40 °C to 125 °C.
- What packages are available for the LD1086D2M?
The device is available in TO-220, D²PAK, D²PAK/A, DPAK, and DFN8 (4x4) packages.
- How much quiescent current does the LD1086D2M consume?
The quiescent current is between 5-10 mA.
- What is the minimum capacitor required for stability?
A minimum of 10 µF capacitor is required for stability.
- Does the LD1086D2M have internal protection features?
Yes, it has internal power and thermal limit protection.
- Is the LD1086D2M compatible with older 3-terminal adjustable regulators?
Yes, it is pin-to-pin compatible with older 3-terminal adjustable regulators.
- What is the output voltage tolerance of the LD1086D2M?
The output voltage tolerance is ± 1% at 25 °C and ± 2% in the full temperature range.
