Hello, Welcome to Dasenic

STMicroelectronics LD39200PUR Environmental and export classification status description

The STMicroelectronics LD39200PUR is a low dropout (LDO) voltage regulator designed to provide a reliable and stable output voltage. It is characterized by low quiescent current and low dropout voltage, making it an ideal choice for battery-powered devices and other applications where power efficiency is critical. The LD39200 series typically offers various output voltage options and can handle a range of input voltages. Functions - Voltage Regulation: Provides a stable output voltage for powering microcontrollers, sensors, and other electronic components. - Low Dropout Voltage: Maintains regulation with very small input-to-output voltage differences, enhancing efficiency. - Low Quiescent Current: Minimizes power consumption in idle states, making it suitable for battery-operated devices. - Thermal and Overcurrent Protection: Integrated features to prevent damage under fault conditions. Applications - Battery-Powered Devices: Smart wearables, portable electronics, and IoT devices where efficiency is critical. - Microcontroller Power Supply: Powering microcontrollers that require a stable supply voltage. - Consumer Electronics: Tablets, smartphones, and low-power AV equipment. - Automotive Electronics: Used in automotive applications where robust performance is necessary. Alternative Parts Here are a few alternative parts that may serve similar functions: - LM1117: A more widely-known linear voltage regulator, but may have higher dropout voltage. - LP2985: Another LDO with low quiescent current, suitable for portable applications. - MIC5219: Low dropout regulator with multiple voltage options and low noise characteristics. Embedded Modules - Power Management Modules: For scenarios requiring multiple voltages, consider integrated power management ICs (PMICs) like the TPS63030. - DC-DC Converter Modules: Depending on application needs, modules with step-down or buck converter designs can be used in place of or in conjunction with the LD39200. Related Q&A 1. Q: What is the typical dropout voltage of the LD39200PUR? - A: The typical dropout voltage is around 200 mV at a load current of 200 mA, making it efficient for low-voltage applications. 2. Q: Can the LD39200PUR be used for automotive applications? - A: Yes, the LD39200PUR is suitable for automotive applications due to its robust design and thermal protection features. 3. Q: What is the quiescent current of the LD39200PUR? - A: The LD39200PUR typically features a very low quiescent current value, often in the microampere range, ideal for conserving battery power in portable devices. 4. Q: What output voltage options are available for the LD39200PUR? - A: The LD39200 series is available in various fixed output voltage options, typically ranging from 1.2V to 3.3V, and adjustable versions may also be available. 5. Q: How does the LD39200PUR handle thermal overload? - A: The LD39200PUR includes thermal protection features that automatically shut down the regulator if the junction temperature exceeds safe levels, preventing damage. These items will provide a comprehensive view of the LD39200PUR and assist in understanding its functionalities and applications.