The SPX1587R-1.8 from Sipex Corporation (now Exar Corporation) is a 3A low dropout (LDO) linear regulator. It is designed to provide a stable and accurate 1.8V output voltage from a higher input voltage. The LDO regulator features low dropout voltage, high efficiency, and overcurrent protection. It is suitable for various applications requiring a regulated 1.8V supply.

Applications

• Microprocessor Power Supplies
• Memory Power Supplies
• Post Regulators for Switching Power Supplies
• Battery-Powered Systems
• Networking Equipment

Features

• Output Voltage: 1.8V
• Output Current: 3A
• Low Dropout Voltage
• High Accuracy
• Overcurrent Protection
• Thermal Shutdown
• Adjustable Output Voltage (with external resistors)
• Enable/Disable Control

Benefits

• Stable and accurate 1.8V output voltage for powering sensitive electronic components.
• Efficient power conversion, reducing power dissipation and extending battery life.
• Protection against overcurrent conditions, preventing damage to the regulator and the load.
• Automatic shutdown in case of overheating, ensuring safe operation.
• Adjustable output voltage for customized applications.
• Enable/disable control for power management.

The SPX1587R-1.8 operates with a low dropout voltage, allowing it to function even when the input voltage is close to the output voltage. The overcurrent protection feature limits the output current to a safe level, protecting the regulator from damage. The thermal shutdown feature protects the regulator from overheating by shutting it down when the temperature exceeds a certain limit. The adjustable output voltage feature allows the user to customize the output voltage by using external resistors. The enable/disable control feature allows the user to turn the regulator on and off, saving power when the regulated voltage is not needed. The SPX1587R-1.8 is available in a TO-263 package. It is a reliable and efficient solution for providing a regulated 1.8V supply in various electronic applications.