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TLS850F3TUV33ATMA1 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Infineon Technologies. Its product description is IC REG LINEAR OPTIREG. Review the specifications below when checking this part for your BOM.
The TLS850F3TUV33ATMA1 is an OPTIREG™ Linear high-performance voltage regulator designed for automotive applications. It provides a fixed 3.3 V output with a maximum current of 500 mA. The device operates within an input voltage range of 3 V to 42 V and supports a junction temperature range from -40 °C to 150 °C. Key electrical characteristics include a typical dropout voltage of 80 mV, a static current of 40 µA, and output accuracy of 2%. It features integrated watchdog and enable functions.
Verify the complete part number including suffix ATMA1 for tape-and-reel packaging configuration. Confirm the specific voltage variant (V33) matches the design requirement. Check official Infineon documentation for the latest AEC-Q100 qualification status and recommended operating conditions before finalizing procurement specifications.
Select this component when a fixed 3.3 V rail is required with 500 mA capability in automotive environments. The TO-263-7 package offers thermal performance suitable for moderate power dissipation. Ensure input voltage does not exceed 42 V and verify that the 40 µA quiescent current meets system standby requirements.
This device belongs to the OPTIREG™ Linear family, specifically the high-performance voltage regulators segment. It is designed to complement switching regulators by providing clean, low-noise power for sensitive downstream components in automotive ECUs. The series emphasizes reliability and diagnostic features for safety-critical applications.
Consult official Infineon cross-reference guides for verified substitutes. Generic LDO replacements may lack the specific automotive qualification or integrated watchdog functionality required for this application.
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