onsemi

LM2931D2T-5.0

LM2931D2T-5.0 Description

The LM2931D2T-5.0 is a fixed-output linear voltage regulator designed to provide a stable 5V output voltage with a maximum output current of 100mA. Manufactured by onsemi, this regulator is housed in a D2PAK surface-mount package, making it suitable for a variety of applications where space is a critical consideration. Despite its small form factor, the LM2931D2T-5.0 offers robust performance and reliability.

With a maximum input voltage of 26V, the LM2931D2T-5.0 can handle a wide range of input voltages, making it versatile for different power supply scenarios. The regulator features a low dropout voltage of 0.6V at 100mA, ensuring efficient operation even when the input voltage is close to the output voltage. This characteristic is particularly beneficial in battery-powered applications where maintaining a high efficiency over the entire battery life is crucial.

The LM2931D2T-5.0 also includes over-current and over-temperature protection features, safeguarding the device and connected circuits from potential damage due to excessive current or temperature. The regulator's quiescent current is a low 1mA, contributing to its overall efficiency and making it suitable for low-power applications.

LM2931D2T-5.0 Features

• Fixed Output Voltage: Provides a stable 5V output voltage.
• High Input Voltage Range: Capable of handling input voltages up to 26V.
• Low Dropout Voltage: 0.6V at 100mA, ensuring efficient operation.
• Low Quiescent Current: Only 1mA, ideal for low-power applications.
• Protection Features: Over-current and over-temperature protection.
• Surface-Mount Package: D2PAK package for compact and reliable mounting.
• High PSRR: 90dB at 120Hz, ensuring minimal noise in the output voltage.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for various environmental conditions.

LM2931D2T-5.0 Applications

The LM2931D2T-5.0 is ideal for a range of applications where a stable 5V supply is required. Its low dropout voltage and compact package make it particularly suitable for:

• Battery-Powered Devices: Ensures efficient power conversion and long battery life.
• Consumer Electronics: Provides a reliable power source for devices requiring a stable 5V supply.
• Industrial Equipment: Robust design and protection features make it suitable for harsh industrial environments.
• Telecommunications: Stable power supply for various communication modules and devices.

Conclusion of LM2931D2T-5.0

The LM2931D2T-5.0 is a versatile and reliable linear voltage regulator that offers a stable 5V output with a maximum current of 100mA. Its low dropout voltage, low quiescent current, and protection features make it an excellent choice for a variety of applications, particularly those requiring efficient power conversion and a compact form factor. Despite being marked as obsolete, the LM2931D2T-5.0 remains a valuable component for engineers and designers looking for a robust and efficient power solution.