ADP7118ARDZ-2.5

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PMIC, or Power Management Integration Circuit, is an integrated circuit used in modern electronics that are responsible for providing various power supply management functions to ensure that the electronics device will remain stable and operating effectively. Today, integrated circuit companies such as Infineon are developing a range of PMIC solutions that are tailored for specific applications. This article will focus on the Infineon ADP7118ARDZ-2.5 Linear Voltage Regulator, which is designed to maintain a steady 2.5V output voltage, despite changes in input voltage and loading.

The ADP7118ARDZ-2.5 provides an ideal power management solution for a variety of applications. Its high-level integration makes it suitable for use in low-cost microprocessors and SoC designs, cost-sensitive consumer electronics, automotive electronic systems, data line protection and power converters. The device is also suitable for powering audio systems, set-top boxes, and gaming displays.

The ADP7118ARDZ-2.5 provides excellent output voltage regulation and current overload protection, as well as short-circuit and over-temperature protection. The linear regulator is configured as a buck-boost regulator, which allows it to maintain an ideal output voltage level despite variations in the input voltage. The device is capable of delivering up to 600mA of continuous current with peak currents up to 800mA, making it an ideal solution for low-power applications.

The device integrates a simple, yet effective, hysteretic control loop, which allows it to maintain a stable output voltage with good line and load regulation. The hysteretic control loop works by using two comparators and a latch. When the output voltage drops below the regulation point, the lower voltage comparator triggers and turns on the internal power supply switch. This supplies current to the output, which causes the output voltage to increase. When the output voltage reaches the setpoint value, the upper voltage comparator triggers and turns off the switch. This stops the flow of current, thus preventing further voltage increases.

The ADP7118ARDZ-2.5 can also be configured for soft-start, to reduce inrush currents and minimise power dissipation during startup. Soft-start is a feature that aims to reduce the surge current that may occur when the device is first switched on or the load increases suddenly. The soft-start feature works by gradually increasing the output voltage over a predetermined time period, allowing the power supply voltage to rise slowly, thereby avoiding any disruption to the device or system.

The ADP7118ARDZ-2.5 also provides a wide input voltage range of 2.5V to 10V, making it suitable for use with a variety of powering sources. Its high power efficiency of over 90%, along with its wide temperature range of -40°C to +85°C, ensures the device will perform reliably and efficiently in a variety of applications. The device is compatible with the standard 32-pin TSOP package, which makes it easy to integrate into a wide range of modern electronics applications.

In conclusion, the ADP7118ARDZ-2.5 is an highly integrated linear voltage regulator from Infineon. It is suitable for a variety of applications, including low-cost microprocessors and SoC designs, cost-sensitive consumer electronics, automotive electronic systems and data line protection. The device has a wide input voltage range and provides excellent output voltage regulation, current overload protection and over-temperature protection. In addition, it offers a high power efficiency and an easy-to-use 32-pin TSOP package.

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