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The ATL432EAQDBZR is an obsolete automotive-grade adjustable precision shunt regulator from Texas Instruments. It operates within a voltage range of 2.5 V to 36 V and features low quiescent current characteristics. The device is housed in a SOT-23 package and is designed for high-bandwidth applications requiring stable performance across the -40°C to +125°C temperature range.
This component is officially marked as obsolete by the manufacturer. Direct procurement from Texas Instruments is not possible. Buyers must verify availability through authorized distributors or third-party suppliers, ensuring strict adherence to authenticity verification protocols due to the end-of-life status.
Engineers should evaluate alternative active parts within the ATL43x or TLA43x families that maintain automotive qualification. Considerations must include pin compatibility, electrical parameter alignment, and long-term supply chain stability when replacing this discontinued unit in existing designs.
The ATL432EAQDBZR belongs to the ATL43x family of low IQ adjustable precision shunt regulators. These devices are engineered for automotive environments, offering robust performance in compact SOT-23 packages while supporting wide input voltage ranges and precise programmability.
Public confirmed substitute part numbers: ATL432AQDBZR, TLA432AIDBZR.