Texas Instruments

LP2981IM5-3.3/NOPB

The LP2981IM5-3.3/NOPB is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable and reliable output voltage to power various electronic devices. Here is a detailed description of the model, its features, and applications:

Description:

The LP2981IM5-3.3/NOPB is a fixed-output, low-dropout linear regulator with an output voltage of 3.3V. It is available in a 5-pin, 1mm x 2mm WSON package. This small form factor makes it suitable for space-constrained applications.

Features:

1. Fixed 3.3V output voltage
2. Low dropout voltage (max 300mV at 1A output current)
3. High input voltage range (2.5V to 5.5V)
4. Low quiescent current (Typ. 5µA)
5. Output short-circuit protection
6. Overcurrent protection
7. Thermal shutdown protection
8. Enable pin for additional control (optional)
9. Small package size (1mm x 2mm WSON)

Applications:

The LP2981IM5-3.3/NOPB is suitable for a wide range of applications that require a stable 3.3V output voltage. Some of the common applications include:

1. Mobile devices: Powering sensors, microcontrollers, and other components in smartphones, tablets, and wearable devices.
2. IoT devices: Providing power to low-power IoT devices, such as smart home devices, sensors, and wireless modules.
3. Portable electronics: Powering small electronic devices, like fitness trackers, GPS units, and Bluetooth headsets.
4. Industrial equipment: Supplying stable power to microcontrollers and other components in industrial control systems and automation equipment.
5. Medical devices: Ensuring reliable power to sensitive medical equipment, such as wearable monitors, diagnostic devices, and portable medical instruments.

In summary, the LP2981IM5-3.3/NOPB is a compact, low-dropout linear voltage regulator that provides a stable 3.3V output voltage for various electronic devices. Its small form factor, low quiescent current, and built-in protection features make it an ideal choice for space-constrained and power-sensitive applications.