The BA33D15HFP is a fixed output LDO (Low Dropout) linear regulator manufactured by Rohm Semiconductor. It is designed to provide a stable and regulated 3.3V output voltage with a maximum output current of 1.5A. This regulator is known for its low dropout voltage, which allows it to operate effectively even when the input voltage is only slightly higher than the output voltage. This makes it suitable for applications where power efficiency and stable voltage regulation are crucial.

Applications

• Power supplies for microcontrollers and microprocessors
• Voltage regulation in battery-powered devices
• Post-regulation for switching power supplies
• Power management in consumer electronics
• Industrial control systems

Features

• Fixed output voltage of 3.3V
• Output Current: 1.5A
• Low dropout voltage
• Overcurrent protection
• Thermal shutdown protection
• Short circuit protection
• Compact HRP-5 package

Benefits

• Stable and reliable voltage regulation: Ensures consistent performance of connected components.
• High efficiency: Reduces power dissipation and extends battery life in portable devices.
• Protection features: Enhances system reliability by preventing damage from overcurrent, thermal overload, and short circuits.
• Compact size: Facilitates integration into space-constrained applications.
• Simple external circuitry: Requires minimal external components, reducing cost and complexity.

Additional Details

The BA33D15HFP operates over a wide input voltage range, typically from 4V to 16V, making it versatile for various power supply configurations. The low dropout voltage characteristic is essential for applications where the input voltage may fluctuate or be close to the desired output voltage. The integrated protection features, including overcurrent protection, thermal shutdown, and short circuit protection, ensure the safe and reliable operation of the regulator and the connected load. The HRP-5 package offers good thermal performance and is suitable for surface mount assembly. The device is lead-free and RoHS compliant.