Professional IC Distribution & Technical Solutions

The SPX3819M5-L-3-3/TR is a low-dropout (LDO) voltage regulator manufactured by EXAR (now part of MaxLinear). Below are its specifications, descriptions, and features:

Specifications:

• Manufacturer: EXAR (MaxLinear)
• Part Number: SPX3819M5-L-3-3/TR
• Output Voltage: 3.3V (Fixed)
• Output Current: 500mA
• Dropout Voltage: 340mV (Typical at 500mA)
• Input Voltage Range: 2.5V to 16V
• Accuracy: ±1.5% (Over Line, Load, and Temperature)
• Quiescent Current: 75µA (Typical)
• Package: SOT-23-5
• Operating Temperature Range: -40°C to +85°C
• Protection Features: Overcurrent, Thermal Shutdown, Reverse Polarity Protection

Descriptions:

The SPX3819M5-L-3-3/TR is a high-performance, low-dropout linear regulator designed for applications requiring stable and efficient power management. It provides a fixed 3.3V output with a maximum current of 500mA and features low quiescent current, making it suitable for battery-powered devices.

Features:

• Low Dropout Voltage: Ensures efficient operation even with small input-output differentials.
• Low Quiescent Current: Ideal for battery-operated applications.
• Stable with Low-ESR Capacitors: Works with ceramic capacitors (≥1µF).
• Built-in Protections: Includes thermal shutdown, current limit, and reverse polarity protection.
• Fast Transient Response: Suitable for dynamic load conditions.
• Small Form Factor: SOT-23-5 package for space-constrained designs.

This regulator is commonly used in portable electronics, IoT devices, and embedded systems requiring reliable voltage regulation.