Overview
The LD1086D2MTR, produced by STMicroelectronics, is a low drop positive voltage regulator designed to provide high performance and efficiency. This regulator is capable of delivering up to 1.5 A of output current and is available in various package types, including the D²PAK package for the LD1086D2MTR model. 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 device features internal power and thermal limiting, ensuring reliable operation over a wide operating temperature range from -40 °C to 125 °C. Its adjustable or fixed output voltage options (1.8 V, 3.3 V, 5 V) make it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Input Voltage | 30 | V |
| Output Current | Up to 1.5 A | A |
| Output Voltage | 1.8 V, 3.3 V, 5 V (adjustable or fixed) | V |
| 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 |
| Package Type | D²PAK | - |
| Thermal Resistance Junction-Case | 3 °C/W | °C/W |
| Thermal Resistance Junction-Ambient | 62.5 °C/W | °C/W |
Key Features
- Low Dropout Voltage: Typical dropout voltage of 1.3 V at 1.5 A, ensuring efficient power regulation.
- Adjustable or Fixed Output Voltage: Available in fixed output voltages of 1.8 V, 3.3 V, and 5 V, or adjustable output voltage.
- High Output Current: Guaranteed up to 1.5 A of output current.
- Tight Output 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.
- Wide Operating Temperature Range: Operates from -40 °C to 125 °C.
- Compact Packaging: Available in TO-220, D²PAK, D²PAK/A, DPAK, and DFN8 (4x4) packages.
- Pin-to-Pin Compatibility: Compatible with older 3-terminal adjustable regulators but with improved performance.
Applications
- Industrial Control Systems: Suitable for power supply in industrial control systems due to its high reliability and wide operating temperature range.
- Automotive Systems: Used in automotive applications where a stable and efficient voltage regulation is crucial.
- Consumer Electronics: Ideal for consumer electronics requiring a low dropout voltage regulator with high current capability.
- Medical Devices: Can be used in medical devices where precise voltage regulation and reliability are essential.
- Telecommunications: Suitable for telecommunications equipment that require stable and efficient power supply.
Q & A
- What is the maximum output current of the LD1086D2MTR?
The LD1086D2MTR can provide up to 1.5 A of output current.
- What are the available output voltage options for the LD1086D2MTR?
The LD1086D2MTR is available with fixed output voltages of 1.8 V, 3.3 V, and 5 V, or as an adjustable output voltage regulator.
- What is the typical dropout voltage of the LD1086D2MTR at maximum output current?
The typical dropout voltage is 1.3 V at 1.5 A.
- What is the operating temperature range of the LD1086D2MTR?
The operating temperature range is from -40 °C to 125 °C.
- What package types are available for the LD1086D2MTR?
The LD1086D2MTR is available in the D²PAK package, among other options like TO-220, DPAK, and DFN8 (4x4).
- Does the LD1086D2MTR have internal thermal protection?
Yes, the LD1086D2MTR features internal power and thermal limiting to protect the device from overheating and overcurrent conditions.
- What is the output tolerance of the LD1086D2MTR?
The output tolerance is ± 1% at 25 °C and ± 2% over the full temperature range.
- Is the LD1086D2MTR RoHS compliant?
Yes, the LD1086D2MTR is RoHS compliant and comes in an Ecopack2 package.
- What is the thermal resistance junction-case for the D²PAK package?
The thermal resistance junction-case for the D²PAK package is 3 °C/W.
- How much quiescent current does the LD1086D2MTR consume?
The quiescent current is typically 5 mA and can be up to 10 mA.
