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L7809CV is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists UMW. Its product description is IC REG LINEAR 9V 1.2A TO220. Review the specifications below when checking this part for your BOM.
The UMW L7809CV is a three-terminal positive linear voltage regulator designed for general-purpose applications. It provides a fixed output voltage of 9V with a maximum continuous output current capability of 1.5A. The device accepts an input voltage range from 11V to 35V, ensuring stable regulation under varying supply conditions. It incorporates internal circuitry for thermal overload protection and safe area compensation, enhancing reliability during operation.
Verify the manufacturer marking on the component body matches UMW specifications. Confirm the package type is TO-220-3. Check datasheets for specific thermal resistance values relevant to your heat sink design. Ensure the part number suffix corresponds to the correct packaging format.
Select this component when a fixed 9V rail is required with moderate current demands. Consider the thermal dissipation requirements given the 1.5A rating. Compare against other 78xx series regulators if different voltage levels are needed. Verify input voltage headroom to maintain proper dropout voltage margins.
This component belongs to the standard 78xx family of linear voltage regulators. These devices are widely used for their simplicity and robustness in converting higher unregulated voltages to stable lower DC levels. The L7809CV specifically targets applications needing a reliable 9V source.
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