STMicroelectronics

LE50ABD  

Linear & Switching Voltage Regulators

LE50ABD Description

The LE50ABD is a linear regulator designed by STMicroelectronics, a leading manufacturer of power management integrated circuits (PMICs). This regulator is part of the LE50 series and offers a fixed output voltage of 5V with a maximum output current of 100mA. It is designed for surface mount applications and comes in an 8SO package, making it suitable for a variety of electronic devices where space is a constraint.

The LE50ABD features a maximum input voltage of 18V, ensuring compatibility with a wide range of power sources. It has a low dropout voltage of 0.5V at 100mA, which allows it to maintain regulation even when the input voltage is close to the output voltage. This feature is particularly beneficial in battery-powered applications where the input voltage may drop as the battery discharges.

LE50ABD Features

• Output Type: Fixed, providing a stable 5V output.
• Input Voltage Range: Up to 18V, ensuring compatibility with various power sources.
• Output Current: 100mA, suitable for low-power applications.
• Low Dropout Voltage: 0.5V at 100mA, enhancing efficiency in low-input voltage scenarios.
• Enable Control Feature: Allows for dynamic control of the regulator, enabling power savings and flexible system management.
• Protection Features: Over-current and over-temperature protection ensure reliable operation and protect against potential faults.
• Power Supply Current: Maximum of 3mA, contributing to low power consumption.
• Quiescent Current: 1mA, further optimizing power efficiency.
• PSRR: 76dB to 60dB across the frequency range of 120Hz to 10kHz, ensuring high performance in noise-sensitive applications.
• Compliance: REACH unaffected and ROHS3 compliant, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for a wide range of manufacturing environments.
• Mounting Type: Surface mount, ideal for compact and high-density designs.
• Package: Tube, facilitating easy handling and assembly.

LE50ABD Applications

The LE50ABD is ideal for applications requiring a stable 5V supply with low power consumption and high efficiency. Its low dropout voltage and enable control feature make it particularly suitable for battery-powered devices, where maintaining regulation with minimal power loss is crucial. Some specific use cases include:

• Portable Electronics: Ideal for smartphones, tablets, and other handheld devices where battery life and compact design are paramount.
• Wearable Devices: Provides a reliable power source for fitness trackers, smartwatches, and other wearable technology.
• IoT Devices: Suitable for Internet of Things (IoT) devices that require a stable power supply and operate on limited power sources.
• Medical Devices: Can be used in portable medical devices such as glucose meters and pulse oximeters, where accuracy and reliability are essential.
• Consumer Electronics: Applicable in various consumer electronics such as digital cameras, MP3 players, and other low-power devices.

Conclusion of LE50ABD

The LE50ABD is a robust and efficient linear regulator designed for low-power applications. Its fixed 5V output, low dropout voltage, and enable control feature make it a versatile choice for a variety of electronic devices. The over-current and over-temperature protection features ensure reliable operation, while its compliance with REACH and ROHS3 standards highlights its commitment to environmental sustainability. Although the product is now obsolete, its performance benefits and unique features make it a valuable component for existing designs and legacy systems.

LE50ABD Documents

Download datasheets and manufacturer documentation for LE50ABD

Datasheets :

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HTML Datasheet :

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