The HA17431HUP(TL-E) is a precision adjustable shunt regulator manufactured by Renesas Electronics America. It is designed to provide a stable and accurate voltage reference, making it suitable for various applications requiring precise voltage regulation.

Applications

• Linear Regulators
• Switching Power Supplies
• Adjustable Voltage and Current Regulators
• Voltage Monitoring
• Error Amplifiers in SMPS

Features

• Adjustable Output Voltage: Output voltage can be set to any value between Vref (2.5V) and 36V with two external resistors.
• Low Output Noise: Low output noise voltage ensures stable and accurate voltage regulation.
• Low Dynamic Output Impedance: Provides good load regulation.
• Sink Current Capability: Capable of sinking current from 1mA to 100mA.
• Tight Tolerance: Offers a tight initial tolerance of the reference voltage.
• Thermal Stability: Good thermal stability over a wide temperature range.

Benefits

• Precise Voltage Regulation: Enables accurate and stable voltage control in various electronic circuits.
• Flexibility in Design: Adjustable output voltage allows for customization to specific application requirements.
• Improved System Performance: Low noise and impedance enhance the stability and reliability of voltage regulation.
• Cost-Effective Solution: Provides a simple and efficient solution for voltage reference and regulation needs.
• Wide Operating Range: Suitable for a wide range of input voltages and load conditions.

Additional Details

The HA17431HUP(TL-E) comes in a small surface mount package. It requires a minimum cathode current to operate correctly. External resistors are needed to set the desired output voltage. Datasheets provide detailed information on the recommended resistor values and circuit configurations. The device operates within a specified temperature range, typically from -40°C to +85°C. It is commonly used in power supplies, battery chargers, and other applications requiring stable and adjustable voltage references.