AP7347DQ-25FDZW-7

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

The AP7347DQ-25FDZW-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a nominal output voltage of 2.5V with ±1% accuracy. It supports an input voltage range from 1.7V to 5.5V and delivers up to 500mA of guaranteed output current. The device features a ripple rejection ratio of 75dB at 1kHz and a low output noise of 60µVrms across the 10Hz to 100kHz bandwidth. Quiescent current is maintained at a maximum of 60µA. It operates within a temperature range of -40°C to +125°C and includes integrated thermal shutdown and short-circuit protection.

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

• Automotive-grade reliability with AEC-Q100 qualification and PPAP capability for use in IATF 16949 certified facilities.
• High power density packaging using W-DFN2020-6 (SWP) format for dense PCB layouts.
• Integrated enable pin with active discharge functionality to ensure known system startup states.
• Low dropout performance optimized for noise-sensitive automotive equipment applications.

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

• Infotainment power supplies
• Automotive RF supplies
• Cameras
• Automotive POL in ADAS
• Automotive wireless communication systems

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

Verify that the specific part number suffix FDZW corresponds to the W-DFN2020-6 wettable flange package type as documented in the manufacturer's ordering guide. Confirm compliance requirements such as RoHS and halogen-free status directly against the latest datasheet revision. Ensure supply chain sources are authorized distributors to guarantee authenticity and traceability for automotive-grade components.

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

Select this component when designing circuits requiring high output voltage precision and low noise in compact automotive environments. The W-DFN2020-6 package offers superior thermal dissipation compared to smaller alternatives. Verify that the application load does not exceed the 500mA continuous current rating and that the input voltage remains within the specified 1.7V to 5.5V operational window.

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

This device belongs to the AP7347DQ family of automotive-compliant LDO regulators designed by Diodes Incorporated. The series is engineered specifically for noise-sensitive applications in the automotive sector, offering various fixed output voltages. The AP7347DQ-25FDZW-7 variant utilizes the side-wall plated wettable flange package to enhance solder joint visibility and reliability during surface mount assembly processes.

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

Direct substitutes within the same family include AP7347DQ-25W5-7 for SOT25 packaging or AP7347DQ-25FDZW-7B for alternative reel configurations. Cross-brand replacements require matching the 500mA current rating, 2.5V fixed output, and automotive qualification standards.