Overview
The LD1086DT80 is a low drop voltage regulator produced by STMicroelectronics. It is capable of providing up to 1.5 A of output current and features a fixed output voltage of 8V. This regulator is designed to offer high efficiency and reliability, making it suitable for a variety of applications. The LD1086DT80 is pin-to-pin compatible with older 3-terminal adjustable regulators but offers better performance in terms of dropout and output tolerance. It is available in a DPAK package and operates over a wide temperature range from -40°C to 125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Output (Fixed) | 8V | V |
| Voltage - Input (Max) | 30V | V |
| Voltage Dropout (Max) | 1.5V @ 1.5A | V |
| Output Current | Up to 1.5A | A |
| Output Tolerance | ± 1% at 25°C, ± 2% in full temperature range | % |
| Quiescent Current (Iq) | 10mA | mA |
| Operating Temperature | -40°C to 125°C | °C |
| Package | DPAK (TO-252-3, DPak (2 Leads + Tab), SC-63) | - |
| Protection Features | Over Current, Over Temperature | - |
| PSRR | 66dB (120Hz) | dB |
Key Features
- Typical dropout voltage of 1.3 V at 1.5 A, with a maximum dropout of 1.5 V at 1.5 A.
- Fixed output voltage of 8V, with adjustable output options available in other variants.
- Output current guaranteed up to 1.5 A.
- Tight output voltage tolerance: ± 1% at 25°C and ± 2% in full temperature range.
- Internal power and thermal limit for enhanced reliability.
- Wide operating temperature range: -40°C to 125°C.
- Available in DPAK package, with other package options including TO-220, D²PAK, D²PAK/A, and DFN8 (4x4).
- Pinout compatibility with standard adjustable voltage regulators.
- Over current and over temperature protection features).
- High PSRR (Power Supply Rejection Ratio) of 66dB at 120Hz).
Applications
The LD1086DT80 is suitable for various applications requiring a stable and efficient voltage supply. These include:
- Industrial power supplies and voltage regulators.
- Automotive systems, particularly in variants with adjustable output voltages in TO-220 and DPAK packages).
- Consumer electronics requiring high current and low dropout voltage.
- Telecommunication equipment and networking devices.
- Medical devices and equipment needing reliable voltage regulation.
Q & A
- What is the maximum output current of the LD1086DT80?
The LD1086DT80 can provide up to 1.5 A of output current).
- What is the fixed output voltage of the LD1086DT80?
The fixed output voltage of the LD1086DT80 is 8V).
- What is the maximum dropout voltage at 1.5 A?
The maximum dropout voltage at 1.5 A is 1.5 V).
- What is the operating temperature range of the LD1086DT80?
The operating temperature range is from -40°C to 125°C).
- What package options are available for the LD1086?
The LD1086 is available in TO-220, D²PAK, D²PAK/A, DPAK, and DFN8 (4x4) packages).
- Does the LD1086DT80 have built-in protection features?
Yes, it includes over current and over temperature protection features).
- What is the quiescent current of the LD1086DT80?
The quiescent current is 10 mA).
- Is the LD1086DT80 RoHS compliant?
Yes, the LD1086DT80 is lead-free and RoHS compliant).
- What is the PSRR of the LD1086DT80 at 120Hz?
The PSRR is 66 dB at 120 Hz).
- Is the LD1086DT80 compatible with older 3-terminal adjustable regulators?
Yes, it is pin-to-pin compatible with older 3-terminal adjustable regulators).
