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L4990A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
L4990AST100Yes

part **L4990A** is manufactured by **STMicroelectronics (STM)**.

The part L4990A is manufactured by STMicroelectronics (STM).

Specifications:

  • Input Voltage Range: 3.3V to 5.5V
  • Output Voltage Range: Adjustable from 1.2V to 5.0V
  • Output Current: Up to 1A
  • Dropout Voltage: 300mV (typical at 1A)
  • Quiescent Current: 120µA (typical)
  • Switching Frequency: Up to 1MHz
  • Efficiency: Up to 95%
  • Protection Features: Overcurrent, Overtemperature, and Short-Circuit Protection
  • Package: SO-8

Descriptions:

The L4990A is a low-dropout (LDO) voltage regulator designed for high-performance applications requiring stable and efficient power supply. It is suitable for battery-powered devices, portable electronics, and embedded systems.

Features:

  • Adjustable output voltage
  • Low dropout voltage
  • High efficiency
  • Low quiescent current
  • Built-in protection mechanisms
  • Stable with low-ESR ceramic capacitors
  • Thermal shutdown protection

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

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