AP7347DQ-15FDZW-7B

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

The AP7347DQ-15FDZW-7B is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 1.5V output with ±1% accuracy and supports up to 500mA load current. The device operates within a 1.7V to 5.5V input voltage range and features a 75dB ripple rejection at 1kHz. It includes an enable pin, active discharge function, and thermal shutdown protection. Packaged in W-DFN2020-6 (SWP) Type A1, it meets AEC-Q100 Grade 1 standards.

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

• AEC-Q100 qualified for automotive applications with PPAP capability
• Integrated enable control with auto-discharge functionality
• High power density wettable flank package design

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

• Automotive infotainment power supplies
• Automotive RF subsystems
• ADAS point-of-load regulation
• Automotive wireless communication systems

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

Verify the specific suffix '7B' against official documentation to confirm packaging details. Confirm that the W-DFN2020-6 package variant matches the required PCB footprint. Ensure compliance with RoHS and halogen-free requirements as specified in the datasheet notes 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 output noise. The 1.5V fixed output suits digital logic or sensor rails. Verify input voltage stability remains above the dropout threshold under maximum load conditions to ensure stable operation across the full temperature range.

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

This part belongs to the AP7347DQ family of high PSRR LDOs designed for automotive environments. It utilizes a CMOS process to achieve low quiescent current and low on-resistance. The family offers multiple fixed voltage options and is manufactured in IATF 16949 certified facilities to support strict automotive quality standards.

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

Direct replacements include other AP7347DQ variants with different output voltages or packages, such as AP7347DQ-18FDZW-7B. Cross-family replacements require matching electrical parameters like current rating and dropout voltage.