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SPX3819M5-L/TR Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SPX3819M5-L/TREXAR25000Yes

SPX3819M5-L/TR is a low-dropout (LDO) voltage regulator manufactured by Exar Corporation (now part to MaxLinear).

The SPX3819M5-L/TR is a low-dropout (LDO) voltage regulator manufactured by Exar Corporation (now part to MaxLinear). Below are the factual specifications, descriptions, and features:

Specifications:

  • Manufacturer: Exar (MaxLinear)
  • Part Number: SPX3819M5-L/TR
  • Output Voltage: Adjustable (1.25V to 5.5V) or Fixed (1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 5.0V)
  • Output Current: 500mA
  • Dropout Voltage: 340mV (typical at 500mA load)
  • Input Voltage Range: 2.5V to 16V
  • Quiescent Current: 75µA (typical)
  • Line Regulation: 0.05% (typical)
  • Load Regulation: 0.1% (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package: SOT-23-5

Descriptions:

  • The SPX3819M5-L/TR is a high-performance LDO voltage regulator designed for applications requiring low noise, high PSRR (Power Supply Rejection Ratio), and low dropout voltage.
  • It features an enable pin (EN) for power-saving mode and includes over-current and thermal protection.
  • Suitable for battery-powered devices, portable electronics, and embedded systems.

Features:

  • Low Dropout Voltage: 340mV at 500mA
  • Low Quiescent Current: 75µA (typical)
  • High PSRR: 70dB at 1kHz
  • Adjustable or Fixed Output Voltage Options
  • Thermal and Over-Current Protection
  • Enable Pin (EN) for Power Management
  • Stable with Low-ESR Ceramic Capacitors (≥1µF)

For detailed application information, refer to the official datasheet from Exar/MaxLinear.

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