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The TA76432AS is a bipolar linear integrated circuit silicon monolithic adjustable high-precision shunt regulator manufactured by Toshiba Semiconductor and Storage. It features a precise internal reference voltage of 1.26 V with a tolerance of ±1% at 25°C, enabling operation at low voltages. The device allows arbitrary output voltage setting using two external resistors within a range from the reference voltage up to 19 V. It operates within an ambient temperature range of −40 to 85°C and utilizes the LSTM lead-type package.
Verify the specific ordering suffix against official Toshiba documentation to confirm package type and packing specifications. Ensure compatibility with RoHS directives if required by the application. Confirm that the LSTM package variant matches the design requirements for lead-type mounting. Review the latest datasheet versions for any updates to absolute maximum ratings or thermal resistance values before finalizing procurement.
Select this component when a high-precision shunt regulator is needed for low-voltage operation. Consider the LSTM package for through-hole mounting requirements. Evaluate the minimum cathode current requirement of 0.5 mA to ensure proper regulation under load conditions. Verify that the operating temperature range of −40 to 85°C meets the environmental constraints of the target system.
The TA76432 series includes multiple package variants such as UFV, PW-Mini, and LSTM. The TA76432AS specifically denotes the LSTM lead-type package version. This series is designed for general electronics applications and offers high precision with low power consumption characteristics suitable for various consumer and industrial electronic devices.
Check for direct substitutes within the TA76432 series such as TA76432AF or TA76432AFT if package differences are acceptable. Verify pinout compatibility and electrical parameter equivalence before substitution.
The output voltage can be set arbitrarily up to a maximum of 19 V using two external resistors.
The typical temperature coefficient is 30 ppm/°C.