Texas Instruments

LP2992IM5-3.3

LP2992IM5-3.3 Description

The LP2992IM5-3.3 is a fixed output, linear voltage regulator designed by Texas Instruments. This device is part of the Linear & Switching Voltage Regulators category and is available in a SOT23-5 package. The LP2992IM5-3.3 is designed to provide a stable 3.3V output with a maximum current of 250mA. It features an enable control, over current, over temperature, and short circuit protection. The device is RoHS3 compliant and has a moisture sensitivity level of 1 (unlimited). It is also REACH unaffected and EAR99 classified. The LP2992IM5-3.3 is a surface mount device and is available in a tape & reel packaging.

LP2992IM5-3.3 Features

• Fixed 3.3V output with a minimum output voltage of 3.3V
• Maximum input voltage of 16V
• Maximum output current of 250mA
• Single output regulator
• Positive output configuration
• Maximum supply current of 4mA
• Quiescent current of 95 µA
• Voltage dropout of 0.85V @ 250mA
• Power supply rejection ratio (PSRR) of 45dB at 1kHz
• Enable control feature
• Over current, over temperature, and short circuit protection

LP2992IM5-3.3 Applications

The LP2992IM5-3.3 is ideal for applications requiring a stable 3.3V output with low quiescent current and high PSRR. Some specific use cases include:

1. Battery-powered devices, where low quiescent current is crucial for extended battery life
2. Industrial and automotive applications, where over current and short circuit protection are essential for device reliability
3. Consumer electronics, where a stable and low-noise 3.3V output is required for sensitive circuits
4. Telecommunications equipment, where a high PSRR is necessary for minimizing noise coupling from the power supply

Conclusion of LP2992IM5-3.3

The LP2992IM5-3.3 is a reliable and efficient linear voltage regulator from Texas Instruments. Its fixed 3.3V output, low quiescent current, and high PSRR make it suitable for a wide range of applications, including battery-powered devices, industrial equipment, and consumer electronics. The device's enable control and protection features further enhance its versatility and reliability. While the LP2992IM5-3.3 is now considered obsolete, it remains a popular choice for applications that require a stable and low-noise 3.3V output with minimal power consumption.