Intersil

ISL9003IEFZ-T

ISL9003IEFZ-T Description

The ISL9003IEFZ-T is a linear voltage regulator designed for applications requiring a stable and efficient power supply. Manufactured by Intersil, this regulator offers a fixed output voltage of 2.5V and is capable of delivering 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 0.4V at 150mA, ensuring efficient performance even at low input-to-output voltage differentials.

ISL9003IEFZ-T Features

• Fixed Output Voltage: The ISL9003IEFZ-T provides a stable 2.5V output voltage, ideal for applications requiring a consistent power supply.
• Low Quiescent Current: With a quiescent current of only 39 µA, this regulator is designed to minimize power consumption, making it suitable for battery-powered devices.
• High Efficiency: The regulator maintains high efficiency with a dropout voltage of 0.4V at 150mA, ensuring optimal performance even under varying load conditions.
• Protection Features: The ISL9003IEFZ-T includes over-current protection, over-temperature protection, soft start, and under-voltage lockout (UVLO) to safeguard the device and connected circuits.
• Enable Control: The regulator features an enable control pin, allowing users to turn the regulator on and off as needed, providing additional flexibility in power management.
• Surface Mount Packaging: The SC70-5 package type ensures easy integration into compact designs, making it ideal for space-constrained applications.
• Compliance: The ISL9003IEFZ-T is ROHS3 compliant, adhering to environmental standards and ensuring compatibility with modern manufacturing processes.

ISL9003IEFZ-T Applications

The ISL9003IEFZ-T is well-suited for a variety of applications where a reliable and efficient power supply is essential. Some specific use cases include:

• Portable Electronics: Ideal for battery-operated devices such as smartphones, tablets, and wearable technology, where low power consumption and small form factor are crucial.
• Embedded Systems: Suitable for microcontroller-based systems, IoT devices, and other embedded applications requiring a stable power supply.
• Consumer Electronics: Applicable in devices like digital cameras, media players, and other consumer electronics that demand efficient power management.
• Industrial Applications: Can be used in industrial control systems, sensors, and other applications where reliability and efficiency are paramount.

Conclusion of ISL9003IEFZ-T

The ISL9003IEFZ-T is a versatile and efficient linear voltage regulator designed to meet the demands of modern electronic applications. Its low quiescent current, fixed output voltage, and comprehensive protection features make it an ideal choice for low-power, space-constrained designs. While the product is now obsolete, its unique features and performance benefits continue to make it a valuable component for existing systems. For new designs, engineers may consider exploring alternative models from Intersil or other manufacturers that offer similar or enhanced capabilities.