Analog Devices, Inc. ADP7118AUJZ-5.0-R7

The ADP7118AUJZ-5.0-R7 is a high-accuracy, low dropout linear regulator designed to deliver a fixed output voltage of 5.0 V. It offers low noise, high PSRR (Power Supply Rejection Ratio), and high output current capability suitable for powering sensitive analog and digital circuits. Functions The primary functions of the ADP7118 include: - Regulation of input voltage to a stable fixed output voltage (5.0V) - Low dropout operation, allowing it to maintain regulation even when input voltage is close to the output voltage - High PSRR to reduce noise and ripple from the power supply - Built-in protection features, such as current limiting and thermal shutdown Applications The ADP7118 is suitable for various applications, including: - Powering RF and analog-sensitive components - Regulation in portable or battery-operated devices - Power supply for A/D converters and DACs - General-purpose voltage regulation in consumer electronics Alternative Parts When considering alternatives to the ADP7118AUJZ-5.0-R7, one might look into: - ADP7117 series: Similar devices with different voltage options and specifications. - LT1763: A low dropout regulator with similar characteristics. - TPS7A47: From Texas Instruments, a low noise LDO suited for precision applications. Embedded Modules The ADP7118 can be integrated into embedded modules for power management, including: - Power management integrated circuits (PMICs) for mobile devices - Sensor boards requiring low noise and stable power - Custom PCB designs for IoT devices needing reliable voltage regulation Related Q&A 1. Q: What is the maximum output current of the ADP7118AUJZ-5.0-R7? A: The ADP7118AUJZ-5.0-R7 can deliver up to 1 A of output current. 2. Q: How does the dropout voltage of the ADP7118 compare to other LDOs? A: The ADP7118 has a relatively low dropout voltage, typically around 200 mV at full load, making it efficient for applications where the input voltage is close to 5.0 V. 3. Q: What advantages does the ADP7118 offer for powering analog circuits? A: The ADP7118 provides low noise operation and high PSRR, which are critical for minimizing interference in sensitive analog circuits. 4. Q: Can the ADP7118AUJZ-5.0-R7 be used in battery-powered applications? A: Yes, because of its low dropout voltage and efficiency, the ADP7118 is well-suited for battery-powered applications where maintaining voltage regulation is essential. 5. Q: What are common thermal considerations for using the ADP7118? A: Ensure adequate heat sinking or PCB thermal management to prevent thermal shutdown, especially if the device operates near its maximum current rating over extended periods.