Product Overview: LP2988AIMM-2.8 from Texas Instruments

The LP2988AIMM-2.8 is a high-performance, micropower, low-noise voltage regulator from Texas Instruments, designed to maintain precision output voltage stability under varying input voltage, load conditions, and temperature changes. This component is part of TI's esteemed line of power management integrated circuits, renowned for their reliability and efficiency in a wide range of applications.

Key Features

• Output Voltage: The LP2988AIMM-2.8 provides a fixed output voltage of 2.8V, which is ideal for consistent power supply requirements.
• High Accuracy: This regulator offers an impressive output voltage accuracy of ±0.5%, ensuring precise voltage delivery for sensitive electronic components.
• Low Dropout Voltage: With a low dropout voltage of typically 280mV at 200mA load, it is highly efficient for systems where the input voltage is close to the output voltage.
• Low Noise Performance: The device features an excellent noise performance with a low output noise of 30µV RMS, making it suitable for noise-sensitive applications such as RF and audio.
• High Ripple Rejection: Offering a high PSRR (Power Supply Ripple Rejection) of 70dB at 1kHz, it ensures stable operation even with a noisy or fluctuating input supply.
• Thermal Protection: The LP2988AIMM-2.8 includes built-in thermal shutdown protection to prevent damage from overheating.
• Current Limiting: Integrated current limiting provides protection against excessive currents that could otherwise damage the regulator or the powered device.

Applications

The LP2988AIMM-2.8 is versatile and can be used in a variety of applications, including:

• Battery-powered devices
• Portable and handheld equipment
• Reference voltage sources
• High-efficiency linear power supplies
• Analog and digital circuits requiring low noise

Package and Availability

The device is available in a compact 8-pin VSSOP (MSOP) package, making it suitable for space-constrained applications. It is also characterized for operation over an extended temperature range of −40°C to 125°C, providing reliable performance across diverse environmental conditions.

With its robust feature set, the LP2988AIMM-2.8 from Texas Instruments stands out as an excellent choice for designers looking for a stable, low-noise power solution.