AP7347DQ-11FDZW-7

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

The AP7347DQ-11FDZW-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, delivering a nominal output voltage of 1.1V with ±1% accuracy. It supports a guaranteed output current of 500mA and operates within an input voltage range of 1.7V to 5.5V. The device features a ripple rejection of 75dB at 1kHz and a low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is maintained at 60µA. It includes thermal shutdown and short-circuit protection with fold-back current limiting. The component is housed in a W-DFN2020-6 (SWP) 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
• Built-in thermal shutdown and short-circuit protection with fold-back current limiting

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 the specific ordering suffix FDZW corresponds to the W-DFN2020-6 wettable flanks package type. Confirm that the -7 suffix indicates tape and reel packaging quantities. Ensure the part number matches the required automotive compliance standards if used in production environments. Check datasheet revision history for any updates to electrical characteristics or marking information before finalizing procurement specifications.

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

Select this component when designing noise-sensitive automotive circuits requiring high PSRR and low quiescent current. The 1.1V fixed output is suitable for powering digital logic or sensor interfaces. Consider the W-DFN2020-6 package for applications demanding minimal footprint and efficient thermal dissipation via wettable flanks. Ensure input voltage remains within the 1.7V to 5.5V range for stable operation under all load conditions.

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

This part belongs to the AP7347DQ family of automotive-compliant LDOs from Diodes Incorporated. The series offers various fixed output voltages ranging from 1.0V to 5.0V. It is designed for high-performance applications in infotainment, RF, and ADAS systems. The family shares common features like 500mA output current and low noise profiles, differentiated primarily by output voltage and package options.

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

Direct substitutes include other AP7347DQ variants with different output voltages or packages, such as AP7347DQ-12FDZW-7 or AP7347DQ-11W5-7. Verify compatibility regarding output voltage tolerance, package dimensions, and thermal performance before substitution.