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FAN2558S38X is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG LINEAR 3.8V 180MA SOT23-5. Review the specifications below when checking this part for your BOM.
The FAN2558S38X is a fixed-output low voltage CMOS LDO manufactured by onsemi. It provides a regulated 3.8V output with a maximum load current of 180mA. The device operates within an input voltage range of 2.7V to 5.5V and features a typical dropout voltage of 400mV. It incorporates a Power Good indicator, thermal shutdown, and current limit protection. The regulator maintains 1% output accuracy and utilizes a 1µF output capacitor for stability.
Verify the component status before procurement as the datasheet explicitly marks this device as discontinued and not recommended for new design. Confirm package availability in SOT-23-5 format. Ensure compliance with RoHS standards and validate all operating parameters for specific application requirements prior to integration.
Select this component for applications requiring a stable 3.8V rail from a single-cell battery or low-voltage source. The 180mA current capability suits portable devices. Consider the 100µA ground current for power-sensitive designs. Verify that the required output capacitor meets the ESR specifications for loop stability.
This part belongs to the FAN2558/FAN2559 family of low voltage CMOS LDOs. The FAN2558 series specifically offers fixed output voltages including 1.0V, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 3.3V, 3.5V, 3.6V, and 3.8V. It shares features like thermal shutdown and current limiting with the adjustable FAN2558ADJ and low-noise FAN2559 variants.
No public confirmed substitute part numbers are documented in the provided source material.
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