AP7347DQ-22FDZW-7B

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

The AP7347DQ-22FDZW-7B is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 2.2V output with ±1% accuracy and supports up to 500mA of guaranteed output current. The device operates within a 1.7V to 5.5V input voltage range and features a 75dB ripple rejection at 1kHz alongside a low output noise of 60µVrms from 10Hz to 100kHz. It utilizes a W-DFN2020-6 (SWP) package and includes an enable pin with integrated 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 system 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 complete part number against official Diodes Incorporated documentation to ensure correct configuration. Confirm that the FDZW suffix corresponds to the W-DFN2020-6 package and the B suffix indicates the specific tape and reel packaging variant. Cross-reference the AEC-Q100 qualification status and IATF 16949 manufacturing origin if automotive compliance is required for your design.

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

Select this component when designing noise-sensitive automotive circuits requiring high output precision and low quiescent current. The wide input voltage range accommodates various battery architectures, while the thermal shutdown and fold-back short-circuit protection enhance system reliability. Ensure adequate copper area on the exposed pad for optimal thermal dissipation in the W-DFN2020-6 package.

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

This device belongs to the AP7347DQ series of low dropout regulators designed for demanding automotive environments. The series offers multiple fixed output voltages ranging from 1.0V to 5.0V. It is manufactured in IATF 16949 certified facilities and supports the Production Part Approval Process (PPAP), ensuring consistency for high-volume automotive production lines.

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

AP7347DQ-22FDZW-7 is the standard non-B version of this component with identical electrical characteristics but potentially different tape and reel specifications.