The SPX29500T-1.8 is a 5A Low Dropout (LDO) Regulator manufactured by Sipex Corporation. This LDO regulator is designed to provide a stable and regulated 1.8V output voltage, even with a small difference between the input and output voltages, and capable of supplying up to 5A of current. Sipex Corporation was acquired by Exar, which was in turn acquired by MaxLinear.

Applications

• Microprocessor power supplies
• Post-regulation for switching power supplies
• High-current linear regulation
• Battery chargers
• Motherboard power supplies

Features

• Fixed 1.8V Output
• 5A Output Current Capability
• Low Dropout Voltage
• Over-Current Protection
• Over-Temperature Protection
• Short-Circuit Protection

Benefits

• Stable and accurate 1.8V output voltage
• High current capability for demanding applications
• Efficient regulation with minimal voltage difference
• Protection against damage from fault conditions
• Simplified power supply design

Technical Specifications

The SPX29500T-1.8 typically features a dropout voltage of around 350mV at 5A output current. The input voltage range is typically from 4.5V to 16V. The quiescent current is typically around 1mA. Protection features include over-current limiting, over-temperature shutdown, and short-circuit protection. The device is typically available in a TO-220 package for efficient heat dissipation. Consulting the datasheet is essential for definitive specifications.

The SPX29500T-1.8 provides a robust and reliable power supply solution for applications requiring a stable 1.8V rail with high current demands. Its low dropout voltage ensures efficient operation even with a low input voltage, making it suitable for battery-powered systems. The integrated protection features enhance the system's overall reliability by preventing damage from common fault conditions. The TO-220 package provides effective thermal management, allowing the device to deliver its rated current without overheating.