AP7347DQ-105FDZW-7B

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

The AP7347DQ-105FDZW-7B is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed output voltage of 1.05V with ±1% accuracy and supports up to 500mA output current. The device operates within a wide input voltage range of 1.7V to 5.5V and features a ripple rejection of 75dB 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 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 load point applications
• Automotive wireless communication systems

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

Verify the complete part number against official documentation to ensure correct configuration. Confirm that the FDZW suffix corresponds to the W-DFN2020-6 package and the 7B suffix indicates tape and reel packaging. Ensure compatibility with IATF 16949 certified manufacturing facilities if PPAP capability is required for your production line.

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 1.05V fixed output is suitable for powering specific logic or sensor rails. Verify that the 1.7V minimum input voltage aligns with your system's supply characteristics and that the W-DFN2020-6 footprint fits your board layout constraints.

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

This LDO belongs to the AP7347DQ family, designed for high-performance automotive environments. It utilizes a CMOS process to achieve low quiescent current and low on-resistance. The series offers multiple fixed output voltages and is available in SOT25 and W-DFN2020-6 packages to accommodate various design space requirements.

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

AP7347DQ-105FDZW-7 serves as a standard alternative without the B suffix.