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The NXP LD6815TD/25H,125 is a low dropout regulator (LDO) with a fixed nominal output voltage of 2.5 V and a maximum output current of 150 mA. It operates within an input voltage range of 2.3 V to 5.5 V. The device features a typical power supply rejection ratio (PSRR) of 75 dB at 1 kHz and a typical dropout voltage of 250 mV at full load. RMS output noise is specified as 40 µV in the 10 Hz to 100 kHz frequency band. Quiescent current is 35 µA at no load and drops to 0.1 µA in shutdown mode. The component utilizes a TSOP5 (SOT753) package.
Verify the specific suffix 'H' indicates the high-ohmic output configuration rather than the pull-down variant. Confirm the package type matches the required SOT753 footprint for PCB layout compatibility. Ensure the ordering code aligns with the 2.5 V nominal output specification. Cross-reference the manufacturer's latest documentation for any updates to the product status or environmental compliance data before finalizing procurement.
Select this component when a stable 2.5 V rail is required from a variable input source between 2.3 V and 5.5 V. The high PSRR makes it suitable for noise-sensitive analog sections in portable devices. Consider the thermal resistance characteristics if operating near the maximum ambient temperature limit. Verify that the external capacitor ESR requirements are met to ensure loop stability under all load conditions.
This part belongs to the LD6815 series of low dropout regulators manufactured by NXP Semiconductors. The series is designed for mobile applications requiring small form factors and efficient power management. The 'TD' designation refers to the specific tape and reel packaging format used for surface-mount assembly processes.
LD6815TD/25P,125