Overview
The STMicroelectronics LD1086V33 is a low dropout voltage regulator designed to provide a stable output voltage of 3.3V with a maximum output current of 1.5A. This regulator is part of the LD1086 series, known for its high accuracy and low dropout voltage, making it suitable for various applications including automotive and industrial environments. The LD1086V33 is packaged in a TO-220-3 pin configuration, which is pin-to-pin compatible with older 3-terminal adjustable regulators but offers improved performance in terms of drop and output tolerance.
Key Specifications
| Parameter | Min. | Max. | Unit | |
|---|---|---|---|---|
| Output Voltage (VO) | 3.234 | 3.3 | 3.366 | V |
| Maximum Output Current | - | - | 1.5 | A |
| Line Regulation | 0.5 | 6 | 6 | mV |
| Load Regulation | 1 | 10 | 10 | mV |
| Dropout Voltage (Vd) | 1.3 | 1.5 | 1.5 | V |
| Quiescent Current (Iq) | 5 | 10 | 10 | mA |
| Short Circuit Current (Isc) | 1.5 | - | 2 | A |
| Maximum Input Voltage | - | - | 30 | V |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package Type | - | - | TO-220-3 | - |
| Pin Count | - | - | 3 | - |
Key Features
- Low Dropout Voltage: The LD1086V33 has a typical dropout voltage of 1.3V at 1.5A, ensuring efficient voltage regulation even at low input voltages.
- High Accuracy: The regulator offers high accuracy with tight output voltage tolerance, making it reliable for critical applications.
- High Output Current: Capable of providing up to 1.5A of output current, making it suitable for power-hungry devices.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, making it versatile for various environmental conditions.
- Pin-to-Pin Compatibility: Compatible with older 3-terminal adjustable regulators, but with improved performance.
- Automotive Grade: Meets AEC-Q100 standards, ensuring reliability in automotive applications.
Applications
The STMicroelectronics LD1086V33 is suitable for a variety of applications, including:
- Automotive Systems: Due to its compliance with AEC-Q100 standards, it is ideal for use in automotive electronics.
- Industrial Control Systems: Its robust performance and wide operating temperature range make it a good choice for industrial control systems.
- Power Supplies: Can be used in power supply units requiring stable and efficient voltage regulation.
- Embedded Systems: Suitable for use in embedded systems that require a reliable and efficient voltage regulator.
Q & A
- What is the output voltage of the LD1086V33?
The output voltage of the LD1086V33 is 3.3V. - What is the maximum output current of the LD1086V33?
The maximum output current is 1.5A. - What is the typical dropout voltage of the LD1086V33?
The typical dropout voltage is 1.3V at 1.5A. - What is the operating temperature range of the LD1086V33?
The operating temperature range is from -40°C to 125°C. - Is the LD1086V33 compatible with older 3-terminal adjustable regulators?
Yes, it is pin-to-pin compatible with older 3-terminal adjustable regulators but offers improved performance. - What is the package type of the LD1086V33?
The package type is TO-220-3. - Does the LD1086V33 meet automotive standards?
Yes, it meets AEC-Q100 standards. - What is the quiescent current of the LD1086V33?
The quiescent current is typically 10mA. - What is the line regulation of the LD1086V33?
The line regulation is typically 6mV. - What is the load regulation of the LD1086V33?
The load regulation is typically 10mV.
