AP7347EQ-25FDCWR-7R

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The AP7347EQ-25FDCWR-7R is a fixed-output low-dropout regulator manufactured by Diodes Incorporated, delivering a precise 2.5V output with ±1% accuracy. It supports up to 500mA of guaranteed output current within an input voltage range of 1.7V to 5.5V. The device features a 75dB ripple rejection at 1kHz and a low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is specified as low as 75µA. It includes a power-good indicator and operates reliably across a temperature range of -40°C to +125°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Includes a power-good (PG) open-drain output for supply monitoring and sequencing
• Features active output discharge to ensure known system startup states when disabled
• Integrated thermal shutdown and foldback short-circuit protection for enhanced reliability

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Automotive ADAS load point applications
• Infotainment power supplies
• Automotive RF subsystems
• Automotive wireless communication systems

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific package code FDCWR corresponds to the U-DFN2020-6 (SWP) Type UXC footprint required for your design. Confirm that the 2.5V fixed output matches the target rail voltage. Ensure the PCB layout accommodates the exposed pad for optimal thermal dissipation as recommended in the datasheet guidelines.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component for noise-sensitive automotive environments requiring high PSRR and low quiescent current. The integrated power-good pin simplifies system supervision logic compared to standard LDOs. Verify that the maximum junction temperature rating aligns with the expected ambient conditions and power dissipation calculations for the specific application load.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the AP7347EQ series, which is AEC-Q100 qualified and PPAP capable for automotive use. It is manufactured in IATF 16949 certified facilities. The series offers both fixed and adjustable output options in compact surface-mount packages designed for high power density and efficient thermal management in constrained spaces.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

AP7347EQ-25FDCW-7R provides the same electrical specifications but utilizes the non-reel variant of the U-DFN2020-6 package.