The HA17431HLTPE-E is a precision adjustable shunt regulator manufactured by Renesas Electronics. It is designed to provide accurate and stable voltage regulation in various electronic circuits. This shunt regulator features a low temperature coefficient and a wide operating voltage range, making it suitable for applications requiring precise voltage references and error amplifiers.

Applications:

• Power Supplies: Used as a voltage reference in linear power supplies and switching power supplies.
• Voltage Monitors: Provides accurate voltage monitoring for overvoltage and undervoltage protection circuits.
• Error Amplifiers: Used in feedback control systems to provide precise voltage regulation.
• Instrumentation: Provides a stable voltage reference for measurement and instrumentation equipment.
• Battery Chargers: Used for voltage regulation in battery charging circuits.
• Linear Regulators: Provides an adjustable voltage reference for linear regulators.

Features:

• Precision Adjustable Shunt Regulator: Provides accurate and stable voltage regulation.
• Adjustable Output Voltage: Allows for adjusting the output voltage using external resistors.
• Low Temperature Coefficient: Minimizes voltage drift over temperature variations.
• Wide Operating Voltage Range: Operates over a wide range of supply voltages.
• Low Output Impedance: Provides a stable output voltage under varying load conditions.
• Small Package: Facilitates easy integration into various electronic devices.

Benefits:

• Improved Accuracy: Provides precise voltage regulation, improving the accuracy of the circuit.
• Stable Performance: Minimizes voltage drift over temperature and load variations, ensuring stable performance.
• Versatile: Can be used in a wide range of applications requiring voltage regulation.
• Cost-Effective: Provides a cost-effective solution for precision voltage regulation.
• Easy to Use: Simple design and adjustable output voltage make it easy to integrate into existing systems.

Additional Details:

The HA17431HLTPE-E typically has an adjustable output voltage range of 2.5V to 36V. It requires external resistors to set the desired output voltage. The reference voltage is typically around 2.5V. The device is typically packaged in a small surface-mount package, such as a SOT-23 or similar package. Proper biasing and compensation are essential for optimal performance. The HA17431HLTPE-E offers a reliable and efficient solution for precision voltage regulation in a wide range of electronic devices.