The LP38851SX-ADJ/NOPB from Texas Instruments is a high-performance, low-dropout (LDO) linear voltage regulator designed to deliver up to 800mA of continuous output current. This adjustable version allows for the output voltage to be set by the user to any value between 1.2V and 5V using external resistors. The product is ideal for applications requiring a low voltage, high current power supply with a low dropout voltage.

Key Features

• Adjustable Output Voltage: Users can set the output voltage from 1.2V to 5V to meet specific application requirements.
• High Output Current: Capable of delivering up to 800mA of continuous output current, suitable for a variety of high-performance applications.
• Low Dropout: The LDO provides a low dropout voltage, which enhances power efficiency and allows operation closer to the input voltage.
• Stable with Low-ESR Output Capacitors: The device remains stable with ceramic capacitors, which are smaller, more reliable, and have lower equivalent series resistance (ESR) than traditional tantalum or aluminum electrolytic capacitors.
• Overcurrent and Overtemperature Protection: Built-in protection features safeguard the device and the downstream circuitry from damage due to excessive current or high temperature.
• Fast Transient Response: The LP38851SX-ADJ/NOPB is designed to provide a quick response to rapid changes in load, which helps to maintain a stable output voltage during dynamic load conditions.

Applications

This voltage regulator is suitable for a wide range of applications including, but not limited to:

• Power supplies for FPGAs, DSPs, and microcontrollers
• Post-regulation for switching power supplies
• Battery-powered devices
• Consumer electronics
• Telecommunications equipment

Product Details

The LP38851SX-ADJ/NOPB is available in a small-footprint surface-mount package, which is ideal for space-constrained applications. The device operates over a wide range of input voltages and is fully specified over the temperature range of -40°C to 125°C, ensuring reliable performance in diverse operating conditions.