BUY 1431A https://www.utsource.net/itm/p/12426176.html
| Parameter | Description |
|---|---|
| Part Number | 1431A |
| Type | Adjustable Shunt Regulator |
| Vref (V) | 1.250 ± 2 mV at TJ = 25°C |
| Iadj (μA) | 50 μA typical |
| ICC (μA) | 50 μA maximum |
| PD (mW) | 150 mW |
| Operating Temperature Range (°C) | -40 to +125 |
| Storage Temperature Range (°C) | -65 to +150 |
| Package | TO-92, SOT-23 |
Circuit Configuration: The 1431A can be used in a variety of voltage regulator circuits. It is typically configured as a shunt regulator where it provides a stable reference voltage.
Resistor Selection: Choose the resistor values carefully to set the desired output voltage. The formula to calculate the output voltage is ( V_ = V_ times (1 + frac) ).
Capacitor Considerations: For stability and noise reduction, add capacitors across the input and output terminals. A typical value is 0.1 μF.
Thermal Management: Ensure proper heat dissipation if operating near the maximum power dissipation limit. This may require a heatsink or placement on a large copper area.
Mounting: Mount the device in a way that allows for adequate airflow, especially in high-power applications.
Handling Precautions: Handle with care to avoid damage from electrostatic discharge (ESD). Follow standard ESD precautions during assembly and handling.
Testing: After assembly, test the circuit under all intended operating conditions to ensure stability and correct operation.
