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The AP7115-33SEG-7 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides a stable 3.3V output with a maximum current of 150mA. The device operates within an input voltage range of 2.5V to 5.5V and features a typical quiescent current of 50µA. It includes built-in current limit, thermal shutdown, and short circuit protection. The component is housed in an SOT353 package and supports an operating ambient temperature range from -40°C to +85°C.
Verify that the specific ordering suffix matches the required package type and tape & reel quantity. Confirm RoHS compliance status and environmental declarations against the manufacturer's latest documentation. Ensure the design accounts for the 'Not Recommended for New Design' notice by evaluating the recommended replacement part number provided in official datasheets.
Select this component when a fixed 3.3V supply is required with moderate current demands up to 150mA. Consider the SOT353 package constraints regarding thermal dissipation and PCB layout requirements. Evaluate the need for the shutdown feature; if unused, the enable pin must be tied to the input voltage to maintain regulation.
This regulator belongs to the AP7115 series of low dropout linear regulators designed for portable electronic applications. It utilizes a PMOS pass element to achieve low dropout characteristics. The series offers various fixed output voltages ranging from 1.0V to 3.5V, catering to different logic and sensor supply requirements in compact form factors.
Official datasheets explicitly recommend using the AP7315 as the replacement for new designs.