The ZR431F005-7 from Diodes Incorporated is a three-terminal adjustable shunt voltage reference offering excellent temperature stability and output current handling capability. This precision device is designed to maintain a stable reference voltage over a wide range of operating conditions, which makes it an ideal choice for a multitude of applications, including power supplies, battery chargers, and voltage monitoring systems.

Key Features

• Adjustable Output Voltage: The ZR431F005-7 provides an adjustable output voltage that can be set from V<sub>REF to 18V with two external resistors. This flexibility allows designers to tailor the output to fit specific requirements.
• High Precision: With an initial accuracy of ±0.5%, this device ensures precise voltage regulation, contributing to the overall reliability of the system it's integrated into.
• Temperature Stability: The temperature coefficient is as low as 50 ppm/°C, which guarantees a consistent performance across a temperature range of -40°C to +125°C.
• Low Operational Current: The ZR431F005-7 operates with a quiescent current of 1mA, making it suitable for battery-operated devices where power efficiency is critical.
• Wide Operating Current Range: This voltage reference can handle a wide operating current range from 1mA to 100mA, providing ample flexibility for various load conditions.

Applications

• Switching and Linear Power Supplies
• Battery Chargers
• Motor Control Systems
• Voltage Monitoring
• Precision Voltage Regulation

Product Specifications

Parameter Value Adjustable Output Voltage Range V<sub>REF to 18V Initial Accuracy ±0.5% Temperature Coefficient 50 ppm/°C Quiescent Current 1mA Operating Current Range 1mA to 100mA

The ZR431F005-7 voltage reference is available in a small outline SOT-23 package, providing a compact solution for space-constrained applications. With its combination of features, it stands out as a robust and reliable component for precision voltage regulation.