STMicroelectronics LDL1117S50R

The LDL1117S50R is a low dropout (LDO) linear voltage regulator that provides a stable output voltage of 5V. The device can handle a maximum output current typically up to 1A with a low dropout voltage, making it ideal for powering sensitive electronics. Functions - Voltage Regulation: Maintains a constant output voltage despite variations in input voltage or load current. - Low Dropout Voltage: Allows it to function even when the input voltage is only slightly higher than the output voltage. - Current Limiting: Prevents damage by limiting the output current in case of overloading. - Thermal Protection: Offers protection against over-temperature conditions. Applications - Power Supply for Microcontrollers: Provides power to microcontrollers that require a stable voltage. - Consumer Electronics: Used in devices such as set-top boxes, DVD players, and gaming consoles. - Battery-Powered Devices: Suitable for portable applications where space and heat are critical. - Communication Equipment: Powers RF modules and other communication devices. Alternative Parts - LM1117: An analog LDO from Texas Instruments that offers similar specifications. - MIC5225: A low-dropout regulator from Microchip that provides comparable output current and voltage. - LP2985: Another LDO option from Texas Instruments, ideal for low-power applications. Embedded Modules - Voltage Regulator Modules: Often used in embedded systems for power management and voltage regulation. These modules may encapsulate multiple regulation stages and components for efficiency. - Raspberry Pi Power Supply: Can be used in projects to regulate power to Raspberry Pi or similar microcontroller boards. Related Q&A 1. Q: What is the maximum output current of the LDL1117S50R? A: The LDL1117S50R can typically supply up to 1A of output current. 2. Q: What is the dropout voltage of the LDL1117S50R? A: The dropout voltage is typically around 1.2V at maximum load, meaning that the input voltage must stay at least 1.2V above the desired output voltage for proper regulation. 3. Q: In what applications would you use the LDL1117S50R? A: It is commonly used in microcontroller power supplies, consumer electronics, battery-operated devices, and communication equipment where a stable voltage is crucial. 4. Q: Are there any protections built into the LDL1117S50R? A: Yes, it features current limiting and thermal protection to ensure safe operation and prevent damage under fault conditions. 5. Q: What constitutes an alternative to LDL1117S50R? A: Alternatives include the LM1117 from Texas Instruments and the MIC5225 from Microchip, which offer similar voltage regulation functionality and performance.