STMicroelectronics

LD2981ABU50TR

LD2981ABU50TR Description

The LD2981ABU50TR is a linear voltage regulator IC from STMicroelectronics, designed to provide a stable 5V output with a maximum current of 100mA. This device is part of the Linear & Switching Voltage Regulators category and offers a fixed output voltage with a positive configuration. With a maximum input voltage of 16V and a low dropout voltage of 0.375V at 100mA, the LD2981ABU50TR ensures reliable performance in various applications.

LD2981ABU50TR Features

• Output Type: Fixed
• Voltage - Input (Max): 16V
• Current - Output: 100mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 2.6 mA
• Voltage - Output (Min/Fixed): 5V
• Voltage Dropout (Max): 0.375V @ 100mA
• Current - Quiescent (Iq): 150 µA
• PSRR: 63dB (1kHz)
• Protection Features: Over Current, Over Temperature
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• ECCN: EAR99
• HTSUS: 8542.39.0001

The LD2981ABU50TR stands out from similar models with its low dropout voltage, low quiescent current, and high PSRR, making it ideal for applications that require high efficiency and low noise.

LD2981ABU50TR Applications

The LD2981ABU50TR is well-suited for a variety of applications, including:

1. Portable Electronic Devices: Due to its low power consumption and small form factor, the LD2981ABU50TR is ideal for powering portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial Control Systems: The device's stability and reliability make it suitable for use in industrial control systems where a stable 5V output is required.
3. Automotive Applications: The LD2981ABU50TR can be used in automotive applications where a low dropout voltage regulator is needed to provide a stable 5V output from a varying input voltage.
4. Telecommunications Equipment: The high PSRR and low noise characteristics of the LD2981ABU50TR make it suitable for use in telecommunications equipment where signal integrity is crucial.

Conclusion of LD2981ABU50TR

The LD2981ABU50TR is a versatile linear voltage regulator IC that offers a stable 5V output with a maximum current of 100mA. Its low dropout voltage, low quiescent current, and high PSRR make it an ideal choice for a wide range of applications, including portable electronic devices, industrial control systems, automotive applications, and telecommunications equipment. With its REACH unaffected status and RoHS3 compliance, the LD2981ABU50TR is a reliable and environmentally friendly solution for your voltage regulation needs.