AP7347DQ-50FDZW-7

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

The AP7347DQ-50FDZW-7 is a CMOS-based low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 5.0V output with ±1% accuracy and supports up to 500mA load current. The device operates within an input voltage range of 1.7V to 5.5V and features a ripple rejection of 75dB at 1kHz. Output noise is specified at 60µVrms from 10Hz to 100kHz, while quiescent current is as low as 60µA. It includes thermal shutdown and short-circuit protection with fold-back current limiting. The component is housed in a W-DFN2020-6 package.

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

• Automotive compliant with AEC-Q100 qualification and PPAP capability for IATF 16949 certified facilities
• Integrated enable pin with active discharge function for controlled system startup
• High power density W-DFN2020-6 wettable flanks package for dense PCB layouts

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

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

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

Verify the specific suffix FDZW corresponds to the W-DFN2020-6 package type when sourcing. Confirm that the ordering code includes the -7 suffix for tape and reel packaging quantities. Ensure compliance requirements match project specifications regarding RoHS and halogen-free standards before finalizing procurement orders.

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

Select this regulator for noise-sensitive automotive circuits requiring high PSRR and low output noise. Verify that the required output voltage matches the fixed 5.0V configuration. Check that the maximum load current does not exceed 500mA and that the input voltage remains within the 1.7V to 5.5V operating range for proper regulation.

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

This component belongs to the AP7347DQ series of automotive-compliant LDOs designed for high power density applications. The series offers various fixed output voltages and is available in SOT25 and W-DFN2020-6 packages. It targets demanding environments where low standby power and robust transient response are critical for reliable system operation.

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

AP7347DQ-50W5-7 serves as a direct functional substitute utilizing the SOT25 package instead of the W-DFN2020-6 form factor.