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BA7043FS Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
BA7043FSROHM742Yes

BA7043FS is a voltage regulator IC manufactured by ROHM Semiconductor.

The BA7043FS is a voltage regulator IC manufactured by ROHM Semiconductor.

Specifications:

  • Input Voltage Range: 4.5V to 16V
  • Output Voltage: 3.3V (fixed)
  • Output Current: 100mA (max)
  • Dropout Voltage: 0.5V (typical at 100mA)
  • Quiescent Current: 4µA (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Package: SOT-23-5

Descriptions:

The BA7043FS is a low-dropout (LDO) voltage regulator designed for stable power supply in battery-operated and portable devices. It features low quiescent current and high ripple rejection, making it suitable for power-sensitive applications.

Features:

  • Low dropout voltage (0.5V typical at 100mA)
  • Ultra-low quiescent current (4µA typical)
  • Built-in short-circuit and overcurrent protection
  • Thermal shutdown protection
  • Stable operation with small ceramic capacitors (≥1µF)
  • Compact SOT-23-5 package

This information is based on ROHM's official datasheet for the BA7043FS.

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