STMicroelectronics

L4931ABZ25-AP

L4931ABZ25-AP Description

The L4931ABZ25-AP is a fixed-output linear regulator designed for applications requiring a stable 2.5V output voltage with a maximum output current of 250mA. Manufactured by STMicroelectronics, this device is part of the Power Management (PMIC) category and is housed in a Through Hole TO92-3 package. Despite being marked as obsolete, the L4931ABZ25-AP remains a reliable choice for various electronic systems due to its robust design and performance characteristics.

L4931ABZ25-AP Features

• Output Type: Fixed at 2.5V, ensuring a stable and consistent voltage supply.
• Input Voltage Range: Capable of handling a maximum input voltage of 20V, providing flexibility in power source selection.
• Output Current: Delivers a maximum output current of 250mA, suitable for low to medium power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.8V at 250mA, it maintains efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Features a quiescent current of just 1mA, minimizing power consumption during standby.
• High PSRR: Offers a high power supply rejection ratio ranging from 75dB at 120Hz to 55dB at 10kHz, ensuring minimal noise and ripple in the output voltage.
• Protection Features: Includes over-current and over-temperature protection, safeguarding the device and connected circuits from damage.
• Compliance: Meets REACH and ROHS3 compliance standards, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for storage and handling in various environments.
• Mounting Type: Through Hole, providing a secure and reliable mechanical connection.
• Packaging: Supplied in Tape & Box (TB), facilitating easy handling and integration into manufacturing processes.

L4931ABZ25-AP Applications

The L4931ABZ25-AP is ideal for a variety of applications where a stable and reliable power supply is essential. Its fixed 2.5V output and 250mA current capability make it suitable for:

• Embedded Systems: Providing a stable power source for microcontrollers and other low-power embedded devices.
• Consumer Electronics: Ideal for powering small electronic devices such as portable media players, handheld gaming consoles, and other battery-operated gadgets.
• Industrial Controls: Suitable for low-power industrial sensors and control modules where a stable voltage supply is crucial.
• Telecommunications: Can be used in low-power communication modules and IoT devices requiring a reliable power source.
• Automotive Applications: Applicable in automotive electronic systems where a stable 2.5V supply is needed for various control units and sensors.

Conclusion of L4931ABZ25-AP

The L4931ABZ25-AP, despite its obsolete status, remains a valuable component for applications requiring a stable 2.5V output and up to 250mA of current. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of electronic systems. The Through Hole mounting type and robust packaging ensure ease of integration and durability. While newer alternatives may offer additional features, the L4931ABZ25-AP continues to provide a cost-effective and dependable solution for power management needs.