MaxLinear SPX1117M3-L/TR

The SPX1117M3-L/TR is a linear voltage regulator that provides a stable output voltage with a low dropout voltage, making it suitable for battery-powered devices and applications where power efficiency is critical. It typically provides an output current of up to 800mA and is available in multiple fixed output voltage options. Functions - Voltage Regulation: Maintains a constant output voltage for powering other components. - Low Dropout: Operates efficiently with a small input-to-output voltage difference, which is useful in battery-operated devices. - Overcurrent Protection: Prevents damage by limiting the maximum output current. - Thermal Shutdown: Protects the circuit from overheating conditions by shutting down if the junction temperature exceeds a safe limit. Applications - Power Management: Used in portable devices, routers, set-top boxes, and other consumer electronics. - Microcontroller Power Supply: Supplies regulated voltage to microcontrollers and CPUs in embedded applications. - Portable Electronics: Ideal for battery-powered devices requiring multiple voltage levels. - Signal Conditioning: Powers sensors or analog circuits that require a specific operating voltage. Alternative Parts - LT1763: A similar low dropout linear regulator with various output options and capabilities. - LM1117: Another popular LDO regulator offering similar output current and dropout voltage characteristics. - TPS7A47: A low-dropout linear regulator with higher performance in noise and transient response. Embedded Modules - Power Supply Modules: Many embedded systems use the SPX1117M3-L/TR as part of a power supply module for voltage regulation. - Development Boards: Various microcontroller development boards incorporate it as a power supply component to provide stable voltage. - Prototyping Boards: Often found in prototyping modules and evaluation kits for testing circuits that require specific voltage levels. Related Q&A 1. Q: What is the maximum output current of the SPX1117M3-L/TR? - A: The SPX1117M3-L/TR can provide a maximum output current of up to 800mA. 2. Q: What are the common fixed output voltage options available for the SPX1117M3-L/TR? - A: Common output voltage options include 1.2V, 1.8V, 2.5V, 3.3V, and 5.0V, among others. 3. Q: Why is the SPX1117M3-L/TR preferred for battery-powered devices? - A: It is preferred due to its low dropout voltage, which allows it to operate effectively with minimal voltage difference between the input and output, maximizing battery life. 4. Q: What safety features does the SPX1117M3-L/TR include? - A: It includes overcurrent protection and thermal shutdown features to prevent damage from excessive current and overheating. 5. Q: Can the SPX1117M3-L/TR be used in circuits requiring very low noise? - A: Yes, while it has low noise performance for most applications, if ultra-low noise is crucial, other alternatives like TPS7A47 may offer better performance in noise-sensitive applications.