LM134H

The LM134H is a precision 3-terminal current source from Texas Instruments, designed for various applications requiring a constant current flow. It is a versatile and easy-to-use component, capable of operating over a wide range of currents, typically from microamps to milliamps. The device is particularly noted for its simplicity, only requiring a single resistor to set the desired current, making it an ideal choice for circuit designers looking for precision and reliability.
The LM134H maintains accuracy across a wide temperature range, which makes it suitable for temperature-sensitive applications. It features a wide operating voltage range of approximately 1.2V to 40V, allowing for flexible integration into various circuit designs. Its metal can package (TO-46) offers robust protection and efficient heat dissipation, further enhancing its reliability and performance.
Common applications of the LM134H include battery charging circuits, LED drivers, and temperature sensor circuits, where maintaining a constant current is crucial. Its precision and ease of use make it a popular choice among engineers for both commercial and industrial applications.

The LM134H is a precision current source designed to provide a constant current over a wide range of voltages. Key features include:
1. Wide Operating Voltage Range: It can operate effectively from 1V to 40V, making it versatile for various applications.
2. Adjustable Current: The output current is easily adjustable from 1µA to 10mA using an external resistor.
3. High Accuracy: Offers high precision with a typical temperature coefficient of 0.33%/°C, ensuring current stability over temperature variations.
4. Temperature Independence: Designed to have minimal drift due to temperature changes, providing reliable performance in different environments.
5. Low Quiescent Voltage: The device operates with a minimal voltage drop, maximizing its efficiency in low-voltage applications.
6. Easy to Use: With a simple 3-pin configuration, it is straightforward to integrate into designs.
7. Package: The LM134H is available in a TO-46 metal can package, offering robustness and ease of mounting.
These features make the LM134H suitable for applications like biasing, temperature measurement, and analog signal processing where stable current is crucial.

The LM134H is a three-terminal adjustable current source IC commonly available in a TO-46 metal can package. This package type is characterized by its compact, cylindrical shape and metal casing, which provides good thermal conductivity and protection for the internal components.

The LM134H is a three-pin adjustable current source. Its main function is to provide a constant current, which is independent of the voltage across it. The pin configuration is as follows:
1. V+ (Pin 1): This is the positive voltage supply pin. The current flows into this pin.
2. R (Pin 2): This pin is connected to an external resistor, which sets the output current. The current can be adjusted by changing the resistance.
3. V- (Pin 3): This is the negative voltage supply pin or ground pin. The current flows out from this pin.
The LM134H is commonly used in applications that require a stable and precise current, such as in temperature sensors, battery charging, and current loops.

The LM134H is a current source integrated circuit originally manufactured by National Semiconductor. National Semiconductor was a semiconductor manufacturer known for producing analog and mixed-signal integrated circuits. In 2011, Texas Instruments acquired National Semiconductor. Consequently, Texas Instruments now produces and supplies the LM134H. Texas Instruments is a global technology company that designs and manufactures semiconductors and various integrated circuits, with applications ranging from consumer electronics to automotive systems and industrial equipment.

The LM134H is a precision current source widely used in various applications, including current limiting, battery charging, and temperature sensing. It excels in providing stable current over a wide voltage range, making it suitable for biasing active devices like LEDs, transistors, and sensors. Additionally, it's used in analog circuits for generating reference currents, ensuring consistent performance across temperature variations. Its simple design and robust performance make it useful in both consumer electronics and industrial applications.

The LM134H is a constant current source IC. Equivalent products include the LM234 and LM334, which are also part of the same series with slightly different specifications. Other possible equivalents could include the TL431 in some configurations, but care should be taken to match the exact requirements of your application, as specifications can vary. Always check the datasheet for compatibility.