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The TL432CDBZT is an adjustable precision shunt regulator manufactured by Texas Instruments, housed in a SOT-23-3 surface-mount package. It features an initial accuracy of ±2.2% and operates within a temperature range of 0°C to +70°C. The device supports an output voltage range from 2.495V to 36V with a maximum input voltage of 36V. It requires a minimum cathode current of 80µA for regulation and can handle a maximum cathode current of 100mA.
Verify the specific suffix 'C' indicates the commercial temperature grade (0°C to +70°C) rather than industrial or automotive ranges. Confirm the SOT-23-3 package marking aligns with Texas Instruments standards. Ensure design compatibility with the reverse pinout topology distinct from legacy TL431 components.
Select this component when a compact SOT-23-3 footprint is required for adjustable voltage referencing. The ±2.2% tolerance suits applications where high precision is not critical. Consider the reverse pinout requirement if replacing existing TL431 designs without board layout changes.
This part belongs to the TL432 family of adjustable precision shunt regulators. Unlike the TL431, the TL432 utilizes a reverse pinout configuration, allowing it to serve as a drop-in replacement in specific layouts while offering similar electrical performance characteristics in a small surface-mount form factor.
Direct substitutes include TL432CDBZR and TL432CDBZRG4. Cross-brand alternatives such as NCP431ACSNT1G may require pinout verification due to potential functional differences.