TI Burr-Brown™ REG1117-5

The TI Burr-Brown™ REG1117-5 is a low dropout (LDO) voltage regulator that provides a fixed 5V output. It is designed to deliver up to 1A of output current and is optimized for low voltage operation. This device is typically used in applications requiring a stable and reliable power supply with minimal voltage drop from the input to output. Functions: - Voltage Regulation: Maintains a constant output voltage at 5V. - Low Dropout Operation: Operates effectively with a low voltage difference between the input and output, typically requiring only a few hundred millivolts. - High Output Current: Capable of supplying up to 1A of output current. - Thermal Shutdown Protection: Includes protection features to shut down the output if the device overheats. - Current Limiting: Protects against overcurrent conditions by limiting the output current. Applications: - Power Supply Circuits: Used in applications such as DC-DC converters where a stable 5V is required. - Embedded Systems: Suitable for powering microcontrollers and other embedded systems. - Wireless Communication Devices: Ideal for low-power radios and communication modules. - Consumer Electronics: Found in various consumer electronic devices that require stable power supply. - Automotive Applications: Used in automotive electronics where reliable performance is crucial. Alternative Parts: 1. LM1117-5: A similar LDO voltage regulator with a 5V output. 2. LT1763-5: A low dropout regulator from Analog Devices with faster transient response. 3. TPS7A47: A high-performance LDO from Texas Instruments with low noise and better line/load regulation. 4. MIC5205-5.0: A low dropout regulator which also provides fixed 5V output. Embedded Modules: As of the latest updates, there are no specific embedded modules with the REG1117-5 as a complete module. However, it can be found on PCB designs in various development boards, including: - Arduino Boards: Used in custom Arduino power supply shields. - Raspberry Pi Accessories: May be featured in power supply modules for Raspberry Pi. - Custom Power Supply Boards: Commonly included in DIY projects that require a 5V power supply. Q&A Q1: What type of applications can benefit from using the REG1117-5 voltage regulator? A1: The REG1117-5 voltage regulator is suitable for various applications such as power supply circuits, embedded systems, wireless communication devices, and consumer electronics due to its stable 5V output and low dropout characteristics. Q2: How much output current can the REG1117-5 provide? A2: The REG1117-5 can supply up to 1A of output current, making it suitable for moderate load applications. Q3: What is the significance of the low dropout feature in the REG1117-5? A3: The low dropout feature allows the REG1117-5 to operate effectively with only a slight difference between the input and output voltages, enabling it to function in low voltage environments and maximizing efficiency. Q4: What protection features are integrated into the REG1117-5? A4: The REG1117-5 includes thermal shutdown protection to prevent overheating and current limiting to protect the output from overcurrent conditions. Q5: Are there any alternative voltage regulators to the REG1117-5? A5: Yes, alternative parts include the LM1117-5, LT1763-5, TPS7A47, and MIC5205-5. These regulators provide similar functionality but may vary in specifications and performance characteristics.