Introducing the AP431AQLA Voltage Reference from Diodes Incorporated

The AP431AQLA is a high-performance, adjustable precision shunt regulator designed by Diodes Incorporated to cater to a wide range of applications. This component is a three-terminal adjustable shunt regulator with a guaranteed thermal stability over applicable temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5V) and 36V with two external resistors.

This regulator features sharp turn-on characteristics, low dynamic output impedance, and a very precise reference voltage. The precision of the AP431AQLA is ensured by its tight output voltage tolerance, making it an ideal choice for precision electronics applications where a stable and accurate reference voltage is crucial.

Key Specifications of the AP431AQLA:

• Output Voltage Range: Adjustable from 2.5V to 36V
• Reference Voltage Tolerance: ±0.5% at 25°C, and ±1% over the full temperature range
• Minimum Cathode Current: 1mA to achieve regulation
• Low Dynamic Output Impedance: 0.2Ω typical
• Temperature Range: Industrial grade from -40°C to +85°C

Applications for the AP431AQLA are diverse and include adjustable power supplies, switching power supplies, and precision data systems. It can also be used as a replacement for zener diodes in many applications requiring an improvement in zener performance.

With its high stability and low equivalent full-range temperature coefficient, the AP431AQLA is an excellent choice for temperature-critical applications. Its performance is reliable and consistent, which is essential for maintaining system accuracy and functionality over time and under varying conditions.

Diodes Incorporated packages the AP431AQLA in a SOT-23 package, which is suitable for automated assembly and allows for efficient use of PCB space. This makes it a convenient choice for designers looking to incorporate a high-quality voltage reference into their compact electronic systems.

In summary, the AP431AQLA from Diodes Incorporated is a versatile, precise, and stable adjustable shunt regulator that meets the needs of various electronic applications requiring a high-quality voltage reference.