LP38692MP-3.3

The LP38692MP-3.3 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 3.3 volts with a maximum output current of 1.5 A. This device is particularly useful in applications where space is limited and efficiency is critical, such as in portable electronics, battery-powered devices, and various consumer electronics.

Key Features:

1. Output Voltage: The LP38692MP-3.3 provides a fixed output voltage of 3.3 V, making it suitable for powering microcontrollers, sensors, and other digital circuits that require a stable voltage supply.

2. Dropout Voltage: The LDO has a low dropout voltage, typically around 300 mV at full load, which allows it to maintain regulation even when the input voltage is only slightly above the output voltage. This feature is particularly beneficial in battery-operated devices where maximizing battery life is essential.

3. Current Capability: With a maximum output current of 1.5 A, the LP38692MP-3.3 can support a wide range of applications, from low-power devices to those requiring higher current loads.

4. Thermal Performance: The device is designed to operate efficiently with good thermal performance, featuring thermal shutdown protection to prevent damage from overheating.

5. Package Type: The LP38692MP-3.3 is available in a compact, surface-mount package (typically an 8-pin HTSSOP), which helps save board space and simplifies the design of compact electronic circuits.

6. Power Supply Rejection Ratio (PSRR): The regulator exhibits a high PSRR, which means it can effectively filter out noise from the input supply, ensuring a clean output voltage.

7. Enable Function: The device includes an enable pin that allows for easy control of the output, enabling the user to turn the regulator on or off as needed, which can help in power management strategies.

8. Applications: The LP38692MP-3.3 is suitable for a variety of applications, including:

   • Portable and handheld devices
   • Wireless communication devices
   • Automotive electronics
   • Industrial control systems
   • Consumer electronics

Electrical Characteristics:

• Input Voltage Range: Typically from 3.5 V to 20 V, allowing for flexibility in various power supply designs.
• Quiescent Current: The device features low quiescent current, which is advantageous for battery-powered applications, helping to extend battery life.
• Output Voltage Accuracy: The output voltage is tightly regulated with a specified accuracy, ensuring reliable performance in sensitive applications.

Conclusion:

The LP38692MP-3.3 from Texas Instruments is a versatile and efficient LDO voltage regulator that meets the demands of modern electronic designs. Its combination of low dropout voltage, high current capability, and compact packaging makes it an excellent choice for a wide range of applications where reliable power supply is critical.