The LMS8117ADTX-3.3/NOPB is a low-dropout (LDO) linear voltage regulator produced by Texas Instruments. It is designed to provide a stable and reliable power supply for applications requiring low voltage drops and minimal output noise.
LMS8117ADTX-3.3NOPB original stock picture
LMS8117ADTX-3.3/NOPB Pinout
The following picture shows the pin configuration of LMS8117ADTX-3.3/NOPB:
LMS8117ADTX-3.3NOPB Pinout
TRANSISTOR OUTLINE
The picture below shows the transistor outline of LMS8117ADTX-3.3/NOPB:
LMS8117ADTX-3.3NOPB transistor outline
Key Features
Output Voltage: This device offers a fixed output voltage of 3.3 volts, which is common in digital circuits.
Output Current: It can deliver up to 1A of output current, suitable for powering a range of low-power devices and microcontrollers.
Dropout Voltage: The LMS8117 features a low dropout voltage, typically around 1.2V at full load, which means it can operate efficiently even when the input voltage is close to the output voltage.
Package Type: It is available in a TO-252 (D-Pak) package, making it suitable for applications with limited space.
Applications
Consumer Electronics: Useful in powering microprocessors, memory, and other digital circuits in devices like TVs, radios, and computers.
Telecommunications: Can be used in applications requiring stable voltage in communications infrastructure.
Portable Devices: Ideal for battery-operated devices due to its low dropout voltage and power efficiency.
Advantages
Efficiency: Low dropout regulators like the LMS8117 are more efficient in scenarios where the difference between input voltage and output voltage is small.
Thermal Performance: The TO-252 package helps in better thermal management compared to other forms of packaging like SOT-223.
Ease of Use: Minimal external components are required, which simplifies design and reduces overall system cost.
Considerations
Heat Dissipation: While it has good thermal performance, under high load conditions it might still require a heat sink to manage heat dissipation effectively.
Input Voltage Limits: The input voltage must be carefully managed to avoid exceeding the maximum ratings, which could damage the regulator.
This component is particularly well-suited for designers looking for a reliable voltage regulator capable of supporting moderately high current loads with minimal dropout voltage, making it an excellent choice for stable, efficient low-voltage applications.
How to determine the authenticity of LMS8117ADTX-3.3NOPB
If you are not sure about the authenticity of LMS8117ADTX-3.3NOPB, you should first judge the outer packaging label of the product. The picture below is the original LMS8117ADTX-3.3NOPB packaging and label, you can compare it.
Original LMS8117ADTX-3.3/NOPB package
LMS8117ADTX-3.3 NOPB Lebel