STMicroelectronics L6902D013TR

The L6902D013TR is a linear voltage regulator designed to provide a stable output voltage. It is particularly suited for power-sensitive applications where minimal noise and ripple are critical. The L6902 is part of a family of linear regulators designed for low dropout operation. Functions - Voltage Regulation: Provides a steady output voltage regardless of changes in input voltage or load conditions. - Low Dropout Operation: Designed to operate with a small difference between the input and output voltage, making it efficient in battery-powered devices. - Overcurrent Protection: Features built-in protection mechanisms to prevent damage due to excessive current. - Thermal Shutdown: Prevents overheating by shutting down the regulator if the temperature exceeds safe limits. - Enable/Disable Function: Provides a control pin to enable or disable the output voltage, aiding in power management. Applications - Battery-Powered Devices: Ideal for applications where battery life is crucial. - Microcontrollers: Powers microcontroller circuits that require a stable voltage supply. - Portable Electronics: Used in handheld devices, smartphones, and tablets to maintain power supply stability. - Signal Processing: Useful in audio and RF signal processing applications where low noise is essential. - Industrial Automation: Can be implemented in various industrial settings to ensure reliable power supply. Alternative Parts 1. LM1084: Another low-dropout linear regulator with similar specifications but may have different current ratings. 2. MIC5219: A microprocessor power supply with low dropout that offers similar functions. 3. LT1085: Provides adjustable output voltage and has slightly different features for specific applications. Embedded Modules Although the L6902 itself is a component, it can be found in various embedded modules that incorporate regulators. Look for development boards or modules from manufacturers that include linear voltage regulators for microcontroller platforms. These might be part of power management modules in larger embedded systems. Related Q&A 1. Q: What is the key feature of the L6902D013TR that makes it suitable for battery applications? - A: The L6902D013TR features low dropout operation, allowing it to maintain a stable output voltage even when the input voltage is only slightly higher, which is crucial for efficient battery use. 2. Q: How does the L6902D013TR handle overheating? - A: The L6902D013TR is equipped with a thermal shutdown feature that automatically turns off the regulator if the temperature exceeds a specified threshold, protecting the device from damage. 3. Q: Can the output voltage of the L6902D013TR be adjusted? - A: The L6902D013TR provides a fixed output voltage.