Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 36V |
| Voltage-Output(Min/Fixed) | 0V |
| Voltage-Output(Max) | 36V |
| VoltageDropout(Max) | 1.6V @ 1.1A |
| Current-Output | 1.1A |
| Current-Quiescent(Iq) | 500 µA |
| Current-Supply(Max) | 30 mA |
| PSRR | 75db ~ 20dB (120Hz ~ 1MHz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Overview
Description
The LT3080EST is a linear voltage regulator developed by Analog Devices, known for its precision and flexibility. It features a single resistor setting for the output voltage, which can range from 0V to 36V, making it highly versatile for various applications. The device offers a maximum output current of 1.1A and is designed to deliver low noise and excellent transient response.
One of the standout features of the LT3080EST is its ability to be used in parallel configurations for increased output current, due to its current-sharing capabilities. This makes it suitable for applications requiring higher output power. The regulator also includes protection features like current and thermal limiting, ensuring reliable operation under harsh conditions.
The LT3080EST is packaged in a thermally enhanced surface-mount package, which helps with heat dissipation. It is ideal for use in systems where precise voltage regulation and low dropout voltage are critical, such as in communication equipment, industrial control systems, and instrumentation.
One of the standout features of the LT3080EST is its ability to be used in parallel configurations for increased output current, due to its current-sharing capabilities. This makes it suitable for applications requiring higher output power. The regulator also includes protection features like current and thermal limiting, ensuring reliable operation under harsh conditions.
The LT3080EST is packaged in a thermally enhanced surface-mount package, which helps with heat dissipation. It is ideal for use in systems where precise voltage regulation and low dropout voltage are critical, such as in communication equipment, industrial control systems, and instrumentation.
Equivalent
The LT3080EST is a low-dropout (LDO) linear regulator. Equivalent products include:
1. LM317: A versatile adjustable voltage regulator.
2. TPS7A4700: A high-performance LDO regulator from Texas Instruments.
3. ADP7182: An LDO regulator from Analog Devices with similar features.
4. MIC29152: A high-current LDO regulator from Microchip.
These alternatives may differ in specifications like current output, dropout voltage, and package type, so ensure compatibility with your requirements.
1. LM317: A versatile adjustable voltage regulator.
2. TPS7A4700: A high-performance LDO regulator from Texas Instruments.
3. ADP7182: An LDO regulator from Analog Devices with similar features.
4. MIC29152: A high-current LDO regulator from Microchip.
These alternatives may differ in specifications like current output, dropout voltage, and package type, so ensure compatibility with your requirements.
Features
The LT3080EST is a low dropout linear regulator designed for easy parallel operation, offering several key features:
1. Output Current: It provides a maximum output current of 1.1A.
2. Output Voltage Range: The device supports an adjustable output voltage from 0V up to 36V using a single resistor.
3. Low Dropout Voltage: It features a low dropout voltage of around 350mV at full load, improving efficiency.
4. Accuracy and Reference: It utilizes a 10μA reference current for setting the output voltage, ensuring high accuracy.
5. Thermal Performance: The LT3080EST includes robust thermal protection and thermal shutdown features to prevent overheating.
6. Parallel Operation: Its design allows for easy paralleling of multiple devices to increase the output current capability.
7. Protection Features: The regulator includes current limiting and safe operating area protection to enhance reliability.
8. Package: It is available in a thermally enhanced 5-lead SOT-223 package.
9. Applications: Suitable for use in battery-powered devices, instrumentation, and industrial systems.
These features make the LT3080EST a versatile and reliable choice for demanding applications requiring precise voltage regulation and high current capability.
1. Output Current: It provides a maximum output current of 1.1A.
2. Output Voltage Range: The device supports an adjustable output voltage from 0V up to 36V using a single resistor.
3. Low Dropout Voltage: It features a low dropout voltage of around 350mV at full load, improving efficiency.
4. Accuracy and Reference: It utilizes a 10μA reference current for setting the output voltage, ensuring high accuracy.
5. Thermal Performance: The LT3080EST includes robust thermal protection and thermal shutdown features to prevent overheating.
6. Parallel Operation: Its design allows for easy paralleling of multiple devices to increase the output current capability.
7. Protection Features: The regulator includes current limiting and safe operating area protection to enhance reliability.
8. Package: It is available in a thermally enhanced 5-lead SOT-223 package.
9. Applications: Suitable for use in battery-powered devices, instrumentation, and industrial systems.
These features make the LT3080EST a versatile and reliable choice for demanding applications requiring precise voltage regulation and high current capability.
Pinout
The LT3080EST is a low dropout (LDO) linear regulator designed for versatile applications. It typically comes in a 3-pin SOT-223 package, though other packages may have different pin counts.
The primary pins for the LT3080EST include:
1. IN (Input): This pin receives the input voltage that needs to be regulated.
2. OUT (Output): This pin provides the regulated output voltage.
3. ADJ (Adjust): This pin allows for setting the output voltage by connecting a resistor between this pin and the output pin.
The device also features a current source reference, enabling easy adjustment of the output voltage over a wide range. Additional features often include thermal protection and current limiting, enhancing its reliability in various applications. Always refer to the specific datasheet for detailed pin configurations, especially for different package versions.
The primary pins for the LT3080EST include:
1. IN (Input): This pin receives the input voltage that needs to be regulated.
2. OUT (Output): This pin provides the regulated output voltage.
3. ADJ (Adjust): This pin allows for setting the output voltage by connecting a resistor between this pin and the output pin.
The device also features a current source reference, enabling easy adjustment of the output voltage over a wide range. Additional features often include thermal protection and current limiting, enhancing its reliability in various applications. Always refer to the specific datasheet for detailed pin configurations, especially for different package versions.
Manufacturer
The LT3080EST is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company is known for its high-performance products that are utilized in a wide range of applications, including industrial, automotive, communications, and consumer electronics. Analog Devices provides solutions that are critical for converting, conditioning, and processing real-world phenomena such as temperature, pressure, sound, light, speed, and motion into electrical signals to be used in various functions.
Application
The LT3080EST is a linear voltage regulator with applications in areas requiring precise voltage regulation, such as powering sensitive electronic components, industrial automation systems, and instrumentation. It is suitable for use in telecommunications equipment, medical devices, and laboratory power supplies due to its ability to deliver low noise and reliable performance. Its adjustable output and current capability make it ideal for custom power supply designs, battery-powered devices, and systems needing robust thermal performance. Additionally, the LT3080EST is useful in applications involving high-performance digital and analog circuits, such as RF systems, where stability and low output voltage ripple are essential.
Package
The LT3080EST is available in a surface-mount TO-223 package. This package type is designed for efficient heat dissipation and is commonly used for power devices like voltage regulators.
