The APE1084H-HF is a 5A Low Dropout Positive Adjustable Regulator manufactured by Advanced Power Electronics Corp (APEC). It provides a stable and adjustable output voltage with low dropout voltage, making it suitable for applications where the input voltage is close to the desired output voltage.

Applications

• Post Regulators for Switching Power Supplies
• Battery Chargers
• Motherboard Power Supplies
• Graphic Card Power Supplies
• Adjustable Power Supplies

Features

• Adjustable Output Voltage: Allows users to set the desired output voltage.
• Low Dropout Voltage: Operates with a small difference between input and output voltage.
• High Output Current: Capable of delivering up to 5A of output current.
• Current Limiting Protection: Prevents damage from overcurrent conditions.
• Thermal Shutdown Protection: Protects the regulator from overheating.
• RoHS Compliant: Environmentally friendly, adhering to RoHS standards.

Benefits

• Stable Output Voltage: Provides a reliable and consistent output voltage, even with varying input voltage or load conditions.
• Efficient Operation: Low dropout voltage improves efficiency, especially in low-voltage applications.
• Overload Protection: Current limiting and thermal shutdown protect the regulator and the load from damage.
• Flexible Output Voltage: Adjustable output voltage allows for use in a variety of applications.
• Simplified Design: Requires minimal external components for operation.

Additional Details

The APE1084H-HF is typically used in applications where a stable and adjustable voltage is required with a minimal voltage drop. The adjustable output voltage is usually set using external resistors. The low dropout voltage characteristic is crucial for maximizing efficiency, especially when the input voltage is only slightly higher than the desired output voltage. It is offered in various packages, such as TO-252 and TO-263, for efficient heat dissipation. The current limiting and thermal shutdown features are crucial for protecting the regulator and the connected load from damage due to overload or overheating conditions. Datasheets from APEC provide detailed information on the operating conditions, thermal characteristics, and application circuits. It is also halogen-free.

This LDO regulator provides a robust and flexible solution for a wide range of power supply applications, ensuring stable and efficient voltage regulation with built-in protection features.