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LP3981ILDX-3.3 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LP3981ILDX-3.3NS4440Yes

LP3981ILDX-3.

The LP3981ILDX-3.3 is a low-dropout (LDO) voltage regulator manufactured by NSC (National Semiconductor Corporation).

Specifications:

  • Output Voltage: 3.3V (fixed)
  • Output Current: 300mA
  • Dropout Voltage: 300mV (typical at 300mA load)
  • Input Voltage Range: 2.5V to 6V
  • Quiescent Current: 75µA (typical)
  • Package: SOT-23-5
  • Line Regulation: 0.05% (typical)
  • Load Regulation: 0.1% (typical)
  • Operating Temperature Range: -40°C to +125°C
  • Protection Features: Overcurrent and thermal shutdown

Descriptions and Features:

  • Ultra-low dropout voltage for efficient power management.
  • Designed for battery-powered applications.
  • Stable with low-ESR ceramic capacitors (≥1µF).
  • Low noise and high PSRR (Power Supply Rejection Ratio).
  • Fast transient response.
  • Suitable for portable and space-constrained applications due to its small SOT-23-5 package.

This information is based on the manufacturer's datasheet and technical documentation.

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