STMicroelectronics

LD2981CM33TR  

Linear & Switching Voltage Regulators

LD2981CM33TR Description

The LD2981CM33TR is a linear voltage regulator IC from STMicroelectronics, designed to provide a stable 3.3V output with a maximum current of 100mA. It features a fixed output voltage and a positive output configuration, making it ideal for a wide range of applications. With a maximum input voltage of 16V and a low dropout voltage of 0.375V at 100mA, the LD2981CM33TR offers excellent performance and efficiency.

LD2981CM33TR 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): 3.3V
• Voltage Dropout (Max): 0.375V @ 100mA
• Current - Quiescent (Iq): 150 µA
• PSRR: 63dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature

The LD2981CM33TR stands out from similar models due to its low quiescent current of 150 µA, which helps reduce power consumption in battery-powered applications. Additionally, its high PSRR of 63dB at 1kHz ensures minimal output voltage ripple, providing a clean and stable output voltage.

LD2981CM33TR Applications

The LD2981CM33TR is ideal for various applications, including:

1. Portable Electronics: Due to its low quiescent current, it is suitable for battery-powered devices like smartphones, tablets, and wearables.
2. Industrial Control Systems: The LD2981CM33TR can be used in industrial control systems where a stable 3.3V supply is required.
3. Telecommunications Equipment: It can be used in telecommunications equipment to provide a stable power supply for sensitive circuits.
4. Automotive Electronics: The LD2981CM33TR can be used in automotive electronics for providing a stable 3.3V supply to various electronic components.

Conclusion of LD2981CM33TR

The LD2981CM33TR is a versatile linear voltage regulator IC from STMicroelectronics, offering excellent performance, low power consumption, and robust protection features. Its fixed 3.3V output voltage and positive output configuration make it suitable for a wide range of applications, including portable electronics, industrial control systems, telecommunications equipment, and automotive electronics. With its unique features and advantages over similar models, the LD2981CM33TR is an excellent choice for designers looking for a reliable and efficient voltage regulator solution.

LD2981CM33TR Documents

Download datasheets and manufacturer documentation for LD2981CM33TR

PCN Assembly/Origin :

New Lead-Frame 01/Sep/2020      

Datasheets :

LD2981(AB,C)xx      

PCN Packaging :

Box Label Chg 28/Jul/2016       Moisture Barrier Bag 09/May/2016      

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HTML Datasheet :

LD2981(AB,C)xx