Overview
The LD1086V-DG, 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 LD1086V-DG is available in a TO-220-3 package and is suitable for a wide range of applications, including automotive systems, due to its compliance with the AEC-Q100 specification.
Key Specifications
| Attribute | Value |
|---|---|
| Input Voltage-Max | 30 V |
| Dropout Voltage-Max | 1.5 V |
| Output Current-Max | 1.5 A |
| Tolerance (%) | ±1% at 25 °C, ±2% in full temperature range |
| Operating Temp Range | -40 °C to +125 °C |
| Regulator Topology | Adjustable |
| No. of Outputs | Single |
| Load Regulation (%) | 0.1% |
| Current - Limit | 2.3 A |
| Line Regulation (%) | 0.015% |
| Package Style | TO-220-3 (TO-220AB) |
| Mounting Method | Through Hole |
Key Features
- Tight output voltage tolerance: ±1% at 25 °C and ±2% in full temperature range
- Typical dropout voltage: 1.3 V at 1.5 A
- Three-terminal adjustable or fixed output voltage: 1.8 V, 2.5 V, 3.3 V, 5 V, 12 V
- Internal power and thermal limit
- Wide operating temperature range: -40 °C to 125 °C
- Available in TO-220, D²PAK, D²PAK/A, DPAK, and DFN8 (4x4 mm) packages
- Pinout compatibility with standard adjustable voltage regulators
- Automotive grade for adjustable output voltages in TO-220 and DPAK packages, compliant with AEC-Q100 specification
Applications
The LD1086V-DG is versatile and can be used in various applications, including:
- Automotive systems: Due to its automotive grade and compliance with the AEC-Q100 specification, it is suitable for use in automotive electronics
- Industrial power supplies: Its high current capability and low dropout voltage make it ideal for industrial power supply applications
- Consumer electronics: It can be used in a variety of consumer electronic devices requiring stable and efficient voltage regulation
- Telecommunications: Suitable for use in telecommunications equipment due to its reliability and performance characteristics
Q & A
- What is the maximum output current of the LD1086V-DG?
The LD1086V-DG can provide up to 1.5 A of output current.
- What is the typical dropout voltage of the LD1086V-DG?
The typical dropout voltage is 1.3 V at 1.5 A.
- What are the available output voltages for the LD1086V-DG?
The LD1086V-DG offers adjustable or fixed output voltages of 1.8 V, 2.5 V, 3.3 V, 5 V, and 12 V.
- What is the operating temperature range of the LD1086V-DG?
The operating temperature range is -40 °C to 125 °C.
- Is the LD1086V-DG compatible with older 3-terminal adjustable regulators?
- What packages are available for the LD1086V-DG?
- Does the LD1086V-DG have internal power and thermal limits?
- Is the LD1086V-DG suitable for automotive applications?
- What is the minimum capacitor required for stability?
- What is the load regulation of the LD1086V-DG?
