Overview
The LD1086BV-DG, produced by STMicroelectronics, is a low drop voltage regulator designed to provide up to 1.5 A of output current. This regulator is part of the LD1086 series, known for its high performance and efficiency. It is pin-to-pin compatible with older 3-terminal adjustable regulators but offers improved dropout and output tolerance. The LD1086BV-DG is particularly useful in applications requiring stable and efficient voltage regulation, with a wide operating temperature range of -40°C to 125°C. The device is available in several package types, including TO-220, which is the case for the LD1086BV-DG model.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Type of Integrated Circuit | Voltage Regulator |
| Kind of Voltage Regulator | Adjustable, LDO, Linear |
| Voltage Drop | 1.5 V (typical dropout: 1.3 V at 1.5 A) |
| Output Voltage | 1.8 V, 2.5 V, 3.3 V, 5 V, 12 V (adjustable and fixed) |
| Output Current | Up to 1.5 A |
| Package | TO-220AB |
| Mounting | THT (Through-Hole Technology) |
| Operating Temperature | -40°C to 125°C |
| Output Tolerance | ±1% at 25°C, ±2% in full temperature range |
| Number of Channels | 1 |
| Input Voltage | Up to 30 V |
Key Features
- Tight output voltage tolerance: ±1% at 25°C and ±2% in full temperature range
- Internal power and thermal limit for enhanced reliability
- Pinout compatibility with standard adjustable voltage regulators
- Low dropout voltage: maximum of 1.2 V at maximum output current
- Efficient operation: quiescent current flows into the load, increasing efficiency
- Minimum stability capacitor requirement: 10 μF
- Automotive grade available for adjustable output voltages in TO-220 and DPAK packages, qualified according to AEC-Q100 specification
Applications
The LD1086BV-DG is suitable for a variety of applications requiring stable and efficient voltage regulation. These include:
- Automotive systems: Due to its automotive grade and wide operating temperature range, it is ideal for use in vehicle electronics.
- Industrial control systems: The regulator's high current capability and tight output tolerance make it suitable for industrial control and automation.
- Power supplies: It can be used in power supply units where low dropout and high efficiency are critical.
- Consumer electronics: The LD1086BV-DG can be used in various consumer electronic devices that require reliable voltage regulation.
Q & A
- What is the maximum output current of the LD1086BV-DG?
The LD1086BV-DG can provide up to 1.5 A of output current.
- What are the available output voltages for the LD1086BV-DG?
The LD1086BV-DG offers adjustable and fixed output voltages of 1.8 V, 2.5 V, 3.3 V, 5 V, and 12 V.
- What is the typical dropout voltage of the LD1086BV-DG?
The typical dropout voltage is 1.3 V at 1.5 A.
- What is the operating temperature range of the LD1086BV-DG?
The operating temperature range is -40°C to 125°C.
- What package types are available for the LD1086 series?
The LD1086 series is available in TO-220, D²PAK, D²PAK/A, DPAK, and DFN8 (4x4 mm) packages.
- Is the LD1086BV-DG automotive grade?
Yes, the LD1086BV-DG is available as automotive grade for adjustable output voltages in TO-220 and DPAK packages, qualified according to AEC-Q100 specification.
- What is the minimum capacitor requirement for stability?
A minimum of 10 μF capacitor is required for stability.
- How does the quiescent current of the LD1086BV-DG affect efficiency?
The quiescent current flows into the load, increasing efficiency compared to PNP regulators where part of the output current is wasted as quiescent current.
- Is the LD1086BV-DG pin-to-pin compatible with older regulators?
Yes, the LD1086BV-DG is pin-to-pin compatible with older 3-terminal adjustable regulators but offers better performance in terms of drop and output tolerance.
- What are some common applications for the LD1086BV-DG?
Common applications include automotive systems, industrial control systems, power supplies, and consumer electronics.
