사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Obsolete |
| Function | Current Source |
| Accuracy | ±1% |
| Voltage-Input | 1.2V ~ 40V |
| Current-Output | 200mA |
| OperatingTemperature | -55°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
개요
Description
The LT3092MPST is a versatile, high-performance 200mA current source manufactured by Analog Devices. It is designed to provide a wide range of applications with precise current regulation. The device operates over an input voltage range of 1.5V to 40V, making it suitable for a variety of power supply environments. It features a unique architecture that allows for easy configuration and adjustment of the output current via an external resistor. The LT3092MPST offers excellent current regulation and low output noise, ensuring stable performance in sensitive applications.
Key features include thermal protection, reverse supply protection, and low dropout voltage, which enhances its reliability and efficiency. The device is often utilized in fields such as industrial control, precision current sources, and test equipment. Its compact packaging and robust design allow for easy integration into space-constrained applications, making it a popular choice among engineers seeking a dependable current source solution.
Key features include thermal protection, reverse supply protection, and low dropout voltage, which enhances its reliability and efficiency. The device is often utilized in fields such as industrial control, precision current sources, and test equipment. Its compact packaging and robust design allow for easy integration into space-constrained applications, making it a popular choice among engineers seeking a dependable current source solution.
Equivalent
The LT3092MPST is a programmable current source. Equivalent products include:
1. LM317 (with additional circuitry for current source configurations)
2. MAX14541 - Current regulator
3. AD692 - Programmable current source
4. LM134/LM234/LM334 - Adjustable current sources
These alternatives may require additional components or configurations to match the specific functionality of the LT3092MPST. Always verify the specifications to ensure compatibility with your application.
1. LM317 (with additional circuitry for current source configurations)
2. MAX14541 - Current regulator
3. AD692 - Programmable current source
4. LM134/LM234/LM334 - Adjustable current sources
These alternatives may require additional components or configurations to match the specific functionality of the LT3092MPST. Always verify the specifications to ensure compatibility with your application.
Features
The LT3092MPST is a versatile, 200mA, 2-terminal adjustable current source. It is designed to provide a precise and stable current output over a wide range of conditions. Key features include:
1. Wide Voltage Range: Operates over an input voltage range of 1.5V to 40V, making it suitable for diverse applications.
2. Precision: Delivers high accuracy with low temperature drift, ensuring consistent performance across varying environments.
3. Low Dropout Voltage: Features a low dropout voltage of 1V, enhancing efficiency.
4. Thermal Protection: Includes thermal shutdown for protection against overheating, improving reliability.
5. Current Limit: Has an adjustable current limit with a resistor, providing flexibility to meet specific current requirements.
6. Easy Configuration: Can be configured for a constant current output or used as a constant current regulator.
7. Compact Package: Available in a space-efficient package, suitable for handheld or space-constrained devices.
8. Enhanced Line Regulation: Offers excellent line regulation, minimizing fluctuations due to changes in input voltage.
These features make the LT3092MPST ideal for applications such as LED drivers, battery chargers, and current regulators in various electronic systems.
1. Wide Voltage Range: Operates over an input voltage range of 1.5V to 40V, making it suitable for diverse applications.
2. Precision: Delivers high accuracy with low temperature drift, ensuring consistent performance across varying environments.
3. Low Dropout Voltage: Features a low dropout voltage of 1V, enhancing efficiency.
4. Thermal Protection: Includes thermal shutdown for protection against overheating, improving reliability.
5. Current Limit: Has an adjustable current limit with a resistor, providing flexibility to meet specific current requirements.
6. Easy Configuration: Can be configured for a constant current output or used as a constant current regulator.
7. Compact Package: Available in a space-efficient package, suitable for handheld or space-constrained devices.
8. Enhanced Line Regulation: Offers excellent line regulation, minimizing fluctuations due to changes in input voltage.
These features make the LT3092MPST ideal for applications such as LED drivers, battery chargers, and current regulators in various electronic systems.
Pinout
The LT3092MPST is a 2-terminal programmable current source. It has a 5-pin SOT-223 package. The primary function of the LT3092 is to provide a stable and accurate current source that can be programmed over a wide range using two external resistors. The device is designed to offer high performance in terms of current accuracy and stability, and it is suitable for a variety of applications, including precision current sources, current-mode voltage regulators, and electronic loads. The LT3092 features low dropout voltage, wide input voltage range, and excellent thermal performance.
Manufacturer
The LT3092MPST is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide range of industries, including communications, computer, industrial, instrumentation, military/aerospace, automotive, and consumer electronics.
Application
The LT3092MPST is a precision, programmable current source. Its application areas include:
1. Biasing and Current Regulation: Used in biasing circuits for amplifiers and transistors, providing stable current regulation.
2. LED Drivers: Suitable for driving LEDs with a constant current for consistent brightness and performance.
3. Sensor Excitation: Powers sensors requiring precise current control for accurate measurements.
4. Test and Measurement Equipment: Offers precise current control for testing circuits and components.
5. Battery Charging: Provides controlled charging currents in battery management systems.
6. Industrial and Automotive Applications: Used in systems requiring robust and reliable current sourcing.
Its versatility makes it ideal for any application needing precise current control and regulation.
1. Biasing and Current Regulation: Used in biasing circuits for amplifiers and transistors, providing stable current regulation.
2. LED Drivers: Suitable for driving LEDs with a constant current for consistent brightness and performance.
3. Sensor Excitation: Powers sensors requiring precise current control for accurate measurements.
4. Test and Measurement Equipment: Offers precise current control for testing circuits and components.
5. Battery Charging: Provides controlled charging currents in battery management systems.
6. Industrial and Automotive Applications: Used in systems requiring robust and reliable current sourcing.
Its versatility makes it ideal for any application needing precise current control and regulation.
Package
The LT3092MPST is available in a 3-lead SOT-223 package. This package type is suitable for surface-mount technology, offering a compact design for efficient use of space in electronic circuit boards.
