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LP2985AIBP-3.3 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LP2985AIBP-3.3NS250Yes

LP2985AIBP-3.

The LP2985AIBP-3.3 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS).

Specifications:

  • Output Voltage: 3.3V (fixed)
  • Output Current: 150mA
  • Dropout Voltage: 300mV (typical at full load)
  • Input Voltage Range: 2.5V to 16V
  • Line Regulation: 0.02% (typical)
  • Load Regulation: 0.05% (typical)
  • Quiescent Current: 75µA (typical)
  • Operating Temperature Range: -40°C to +125°C
  • Package: SOT-223

Descriptions:

  • The LP2985AIBP-3.3 is a high-accuracy, low-noise LDO regulator designed for battery-powered applications.
  • It features low dropout voltage and ultra-low quiescent current, making it suitable for portable devices.
  • Includes built-in protection features such as thermal shutdown and current limiting.

Features:

  • Low Dropout Voltage: 300mV at full load
  • Low Noise: Optimized for noise-sensitive applications
  • High PSRR: 70dB at 1kHz
  • Thermal Shutdown Protection: Prevents damage from overheating
  • Current Limiting: Protects against short circuits
  • Stable with Low-ESR Capacitors: Works with ceramic or tantalum output capacitors

This regulator is commonly used in portable electronics, medical devices, and precision analog circuits.

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