LM1117IMPX-5.0/NOPB

The LM1117IMPX-5.0/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 5.0V with a maximum output current of 800mA. This device is particularly useful in applications where space is limited, as it comes in a compact SOT-223 package, which measures approximately 3.0mm x 3.0mm.

Key Features:

1. Output Voltage: The LM1117IMPX-5.0 provides a fixed output voltage of 5.0V, making it suitable for powering various electronic devices and circuits that require a stable voltage supply.

2. Dropout Voltage: The LDO features a low dropout voltage, typically around 1.2V at full load, which allows it to maintain regulation even when the input voltage is close to the output voltage. This is particularly beneficial in battery-powered applications where maximizing battery life is crucial.

3. Current Capability: With a maximum output current of 800mA, the LM1117IMPX-5.0 can support a wide range of loads, making it versatile for different applications.

4. Thermal Protection: The device includes built-in thermal shutdown protection, which prevents damage due to overheating. This feature is essential for ensuring reliability in various operating conditions.

5. Short-Circuit Protection: The LM1117IMPX-5.0 is designed with short-circuit protection, which helps safeguard the device and the connected load in the event of a fault condition.

6. Input Voltage Range: The regulator can accept input voltages ranging from 4.75V to 15V, providing flexibility in power supply options.

7. Low Quiescent Current: The device has a low quiescent current, which is advantageous for battery-operated devices, as it helps to extend battery life.

8. Applications: The LM1117IMPX-5.0 is suitable for a variety of applications, including:

   • Power management in portable devices
   • Microcontroller power supplies
   • Post-regulation for switching power supplies
   • Battery-powered equipment

Package Information:

• Type: SOT-223
• Dimensions: Approximately 3.0mm x 3.0mm
• Pin Count: 3 pins (Input, Output, Ground)

Electrical Characteristics:

• Output Voltage: 5.0V
• Maximum Output Current: 800mA
• Dropout Voltage: Typically 1.2V at full load
• Input Voltage Range: 4.75V to 15V
• Operating Temperature Range: -40°C to +125°C

Conclusion:

The LM1117IMPX-5.0/NOPB from Texas Instruments is a reliable and efficient voltage regulator that is ideal for a wide range of electronic applications. Its combination of low dropout voltage, thermal protection, and compact size makes it a popular choice among engineers and designers looking for a robust solution for voltage regulation in their circuits.