Intersil

ISL9003IEKZ-T

ISL0903IEKZ-T Description

The ISL9003IEKZ-T is a linear regulator designed for efficient power management in various electronic applications. Manufactured by Intersil, this device offers a output fixed voltage of 2.85V and can deliver up to 150mA of output current. It features a low quiescent current of 39 µA and a maximum supply current of 56 µA, making it suitable for low-power applications. The regulator operates with an input voltage range up to 6.5V and has a dropout voltage of 0.325V at 150mA, ensuring efficient performance even at low input-to-output voltage differentials.

The ISL9003IEKZ-T is housed in a compact SC70-5 package, ideal for surface mount applications. It includes several protection features such as over-current protection, over-temperature protection, soft start, and under-voltage lockout (UVLO) to enhance reliability and protect connected circuits. Additionally, the regulator includes an enable control feature, allowing for precise control over its operation.

ISL9003IEKZ-T Features

• Low Quiescent Current: The ISL9003IEKZ-T boasts a quiescent current of only 39 µA, which is crucial for battery-powered devices where minimizing power consumption is essential.
• Fixed Output Voltage: The regulator provides a stable output voltage of 2.85V, ensuring consistent power delivery to sensitive electronic components.
• High Output Current Capability: With a maximum output current of 150mA, this regulator can support a wide range of applications requiring moderate power levels.
• Low Dropout Voltage: The maximum dropout voltage of 0.32V5 at 150mA ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Protection Features: Over-current, over-temperature, soft start, and UVLO features protect the regulator and connected circuits from potential damage, enhancing overall system reliability.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, providing flexibility in system design and power management.
• Surface Mount Compatibility: The SC70-5 package is designed for surface mount technology, making it suitable for modern, space-constrained PCB designs.
• ROHS3 Compliant: The ISL9003IEKZ-T meets ROHS3 compliance ensuring, it is environmentally friendly and suitable for use in a wide range of applications.

ISL9003IEKZ-T Applications

The ISL9003IEKZ-T is well-suited for a variety of applications where efficient power management is critical. Some specific use cases include:

• Portable Electronics: Ideal for battery-operated devices such as smartphones, tablets, and wearable technology, where low power consumption and high efficiency are paramount.
• Embedded Systems: Suitable for systems embedded in industrial and automotive applications where reliable power management and protection features are essential.
• IoT Devices: Perfect for Internet of Things (IoT) devices that require stable power supply and low power consumption to extend battery life.
• Medical Devices: Applicable in medical equipment where precise power regulation and protection features are necessary to ensure safe and reliable operation.

Conclusion of ISL9003IEKZ-T

The ISL9030IEKZ-T is a robust linear regulator that offers a combination of low quiescent current, high output current capability, and comprehensive protection features. Its compact SC70-5 package and surface mount compatibility make it ideal for modern electronic designs. While the product is now obsolete, its technical specifications and performance benefits make it a reliable choice for applications requiring efficient power management. For new designs, engineers may consider evaluating alternative models from Intersil or other manufacturers that offer similar or enhanced features.