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AP2138R-3.0TRG1 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists Diodes Incorporated. Its product description is IC REG LINEAR 3V 250MA SOT89-3. Review the specifications below when checking this part for your BOM.
The AP2138R-3.0TRG1 is a CMOS-based positive voltage regulator IC from Diodes Incorporated, featuring a fixed 3.0V output and a maximum output current of 250mA. It operates within an input voltage range of 2.5V to 6.0V and supports an ambient temperature range of -40°C to +85°C. The device utilizes an SOT-89 package and includes internal circuitry for voltage reference, error amplification, and current limit protection.
Verify the component status before procurement as this specific part number is marked Not Recommended for New Design (NRND). Confirm that the SOT-89 package meets your layout requirements. Ensure compliance with RoHS and Green manufacturing standards during sourcing.
Select this component when a fixed 3.0V rail is required in portable designs. Consider the NRND status for long-term supply stability. Evaluate thermal resistance characteristics for the SOT-89 package under expected load conditions.
This part belongs to the AP2138/2139 series of ultra-low quiescent current CMOS LDOs. The AP2138 variant lacks an enable pin, distinguishing it from the AP2139 series which includes logic-controlled enable functionality.
Diodes Incorporated recommends using the AP7354 as a replacement for new designs.
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