# NJM431 ADJUSTABLE PRECISION SHUNT REGULATOR

Overview:

The NJM431 is a 3-terminal adjustable shunt regulator designed for various applications, including shunt regulators, series regulators, and isolation regulators. It features a sharp turn-on characteristic and allows output voltage adjustment via two resistors, settable between approximately 2.5V and 36V.

Key Features:

️· Adjustable Output Voltage: Output voltage between VREF (approximately 2.5V) and 36V.
️· Bipolar Technology: Utilizes bipolar transistor technology.
️· Applications: Shunt, series, and isolation regulator circuits.
️· Package Options: Available in DIP8, DMP8, TO-92, and SOT-89 packages.
️· Sharp Turn-On Characteristic

Electrical Specifications (Key Parameters):

️· Operating Voltage: VKA = VREF to 36V
️· Cathode Current: 1mA to 100mA
️· Reference Voltage: 2440mV - 2550mV (typical)
️· Dynamic Impedance: 0.2Ω (typical)

Important Considerations:

️· A caution note regarding potential oscillation within the safety curve is given.
️· The specifications are for informational purposes only and do not constitute a guarantee of any right, including industrial rights.