The NCP431/NCP432 integrated circuits are three−terminal programmable shunt regulator diodes. These monolithic IC voltage references operate as a low temperature coefficient zener which is programmable from Vref to 36 V using two external resistors.

Features

• Programmable Output Voltage to 36 V

• Low Minimum Operating Current: 40 A, Typ @ 25°C

• Voltage Reference Tolerance: ±0.5, Typ @ 25°C (NCP431B/NCP432B)

• Low Dynamic Output Impedance, 0.22  Typical

• Sink Current Capability of 40 A to 100 mA

• Equivalent Full−Range Temperature Coefficient of 50 ppm/°C Typical

• Temperature Compensated for Operation over Full Rated Operating Temperature Range

• SC Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable

• These are Pb−Free Devices

Typical Applications

• Voltage Adapters

• Switching Power Supply

• Precision Voltage Reference

• Charger

• Instrumentation

NCP431AIDR2G属于集成电路（IC） > 电压基准。安森美半导体公司制造生产的NCP431AIDR2G电压基准产品属于基准电压源系列，可通过相对较不稳定的电源提供稳定的电势，电压值始终保持恒定，以便在测量、控制和类似应用中用作比较的标准。其功能行为可能与用于大功率调节的线性稳压器相似，但基准电压源器件却不适合用于此类用途。用作比较标准时，若输出电流容量或实际负载电流增大，其性能通常会降低。