Intersil

ISL80103IR25Z

ISL80103IR25Z Description

The ISL80103IR25Z is a high-performance linear regulator designed by Intersil, a leading manufacturer in the power management sector. This IC is part of the Power Management Integrated Circuit (PMIC) category and is known for its robust performance and efficiency. The ISL80103IR25Z features a fixed output voltage of 2.5V and is capable of delivering up to 3A of output current, making it suitable for applications requiring stable power supply. The regulator operates with a maximum input voltage of 6V and boasts a low dropout voltage of 0.185V at 3A, ensuring high efficiency even under varying load conditions. The device is housed in a surface-mount 10DFN package, which is ideal for compact designs. Despite its small form factor, the ISL80103IR25Z offers comprehensive control and protection features, including enable, power good, soft start, over-temperature, and short-circuit protection. Although the product is now obsolete, its technical specifications and performance benefits still make it a notable choice for certain applications.

ISL80103IR25Z Features

• Fixed Output Voltage: The ISL80103IR25Z provides a stable 2.5V output voltage, ensuring consistent power delivery to connected devices.
• High Current Capability: With a maximum output current of 3A, this regulator can support demanding applications that require significant power.
• Low Dropout Voltage: The maximum dropout voltage of 0.185V at 3A ensures high efficiency, especially when operating near the input voltage limit.
• Low Quiescent Current: The quiescent current of 9mA minimizes power consumption during standby or low-load conditions.
• Wide PSRR Range: The power supply rejection ratio (PSRR) ranges from 62dB at 120Hz to 55dB at 1kHz, effectively filtering out noise from the input power supply.
• Comprehensive Control and Protection: Features such as enable, power good, and soft start provide precise control over the regulator's operation. Over-temperature and short-circuit protection ensure the device's reliability and longevity.
• Surface-Mount Packaging: The 10DFN package is suitable for surface-mount technology, making it ideal for compact and space-constrained designs.
• ROHS3 Compliance: The ISL80103IR25Z meets the stringent environmental standards of ROHS3, ensuring it is free from harmful substances.

ISL80103IR25Z Applications

The ISL80103IR25Z is well-suited for a variety of applications where a stable and efficient power supply is crucial. Some specific use cases include:

• Embedded Systems: Providing a reliable power source for microcontrollers, sensors, and other low-voltage components.
• Communication Equipment: Ensuring stable power delivery to RF modules, transceivers, and other communication components.
• Consumer Electronics: Powering portable devices, media players, and other consumer electronics that require efficient power management.
• Industrial Control: Supporting industrial automation systems, PLCs, and other control equipment that demand high reliability and efficiency.

Conclusion of ISL80103IR25Z

The ISL80103IR25Z stands out as a high-performance linear regulator with its fixed 2.5V output, high current capability, and low dropout voltage. Its comprehensive control and protection features, combined with a low quiescent current and wide PSRR range, make it a reliable choice for various applications. Despite its obsolete status, the ISL80103IR25Z remains a viable option for specific use cases where its unique features and performance benefits are required. For designers seeking a compact, efficient, and reliable power solution, the ISL80103IR25Z offers a compelling combination of technical specifications and practical advantages.