The LP2981IM5X-3.8 from Texas Instruments is a high-performance, low-dropout (LDO) voltage regulator designed specifically for applications requiring a regulated 3.8V output with minimal power dissipation. This device is ideal for portable and battery-operated electronics due to its low quiescent current and excellent response to changes in load and input voltage.

Key Features

• Output Voltage: Precisely regulated 3.8V output, making it suitable for consistent power supply needs.
• High Accuracy: Output voltage tolerance is typically ±0.5%, ensuring a reliable and consistent performance.
• Low Dropout: With a very low dropout voltage, this regulator maintains output regulation with minimal input-to-output voltage differential.
• Low Quiescent Current: Ideal for battery-operated devices, the LP2981IM5X-3.8 has an extremely low quiescent current which extends battery life.
• Output Current: Capable of delivering up to 100mA of continuous output current.
• Thermal Protection: Built-in thermal shutdown protection safeguards the device from overheating.
• Stable with Low-ESR Capacitors: Stable with ceramic capacitors as low as 1µF, providing flexibility in design and reducing overall component cost.

Applications

The LP2981IM5X-3.8 is versatile and can be used in a wide range of applications, including:

• Mobile Phones
• Personal Digital Assistants (PDAs)
• Portable Media Players
• Wireless LAN Devices
• GPS Receivers

Package and Availability

Supplied in a small SOT-23-5 package, the LP2981IM5X-3.8 is designed for space-constrained applications. It is available for order in various quantities, catering to both small-scale projects and large-volume production needs.

With its combination of features, the LP2981IM5X-3.8 LDO voltage regulator from Texas Instruments is an excellent choice for designers looking for a reliable, efficient, and compact power management solution.