Professional IC Distribution & Technical Solutions

The SPX3819M5-L-5-0/TR is a low-dropout (LDO) voltage regulator manufactured by EXAR Corporation (now part of MaxLinear). Below are its key specifications, descriptions, and features:

Specifications:

• Manufacturer: EXAR (MaxLinear)
• Output Voltage: 5.0V (fixed)
• Output Current: 500mA
• Dropout Voltage: 340mV (typical at 500mA load)
• Input Voltage Range: 2.5V to 16V
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Quiescent Current: 1.1mA (typical)
• Package: SOT-23-5
• Operating Temperature Range: -40°C to +85°C
• Protection Features: Thermal shutdown, current limit

Descriptions:

The SPX3819M5-L-5-0/TR is a high-performance LDO regulator designed for applications requiring stable and efficient power management. It provides a fixed 5.0V output with low dropout voltage, making it suitable for battery-powered and noise-sensitive systems.

Features:

• Low Dropout Voltage: Ensures efficient operation even with small input-output differentials.
• High Accuracy: Tight output voltage tolerance (±1.5%).
• Low Noise & Low Quiescent Current: Ideal for portable and battery-operated devices.
• Thermal & Current Protection: Safeguards against overheating and overcurrent conditions.
• Stable with Low-ESR Capacitors: Works reliably with ceramic capacitors.
• Small Form Factor: SOT-23-5 package for space-constrained designs.

This regulator is commonly used in consumer electronics, industrial systems, and embedded applications.