AP7347DQ-11FDZW-7B

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

The AP7347DQ-11FDZW-7B is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed output voltage of 1.1V with ±1% accuracy and supports up to 500mA output current. The device operates within a 1.7V to 5.5V input range and features 75dB ripple rejection at 1kHz alongside 60µVrms output noise. Packaged in W-DFN2020-6 (SWP) Type A1, it includes an enable pin with active discharge functionality.

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

• AEC-Q100 qualified for automotive applications requiring specific change control
• Integrated enable pin with built-in active discharge for known startup states
• 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 regulation
• Automotive wireless communication systems

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

Verify the part number suffix '7B' against official documentation to confirm packaging specifications. Ensure compatibility with W-DFN2020-6 footprint requirements. Confirm that the 1.1V fixed output aligns with system design needs. Validate that the component meets AEC-Q100 qualification standards required for the intended automotive application environment.

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 W-DFN2020-6 package offers thermal advantages over standard alternatives. Verify that the 1.1V output matches the load requirements. Consider the integrated active discharge feature if controlled shutdown behavior is necessary for the system architecture.

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

This LDO belongs to the AP7347DQ series designed for automotive environments. It utilizes CMOS technology to achieve low power consumption and fast transient response. The series is manufactured in IATF 16949 certified facilities and supports PPAP processes. It serves as a robust power management solution for critical vehicle subsystems demanding high reliability.

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

AP7347DQ-11FDZW-7 is a direct substitute sharing identical electrical characteristics and package dimensions. Both variants provide the same 1.1V output and 500mA capability. Verify that the specific ordering suffix does not alter functional parameters before implementation.