AP7347DQ-105W5-7

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

The AP7347DQ-105W5-7 is a CMOS-based 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 an input voltage range of 1.7V to 5.5V and features a quiescent current of 60µA. It includes an enable pin, thermal shutdown, and short-circuit protection with fold-back current limiting. Packaged in SOT25 (Type A1), it meets automotive standards including AEC-Q100 qualification.

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

• Automotive compliant with AEC-Q100 qualification and PPAP capability for noise-sensitive applications
• Integrated enable control with active discharge function for defined system startup states
• High ripple rejection of 75dB at 1kHz combined with low output noise of 60µVrms
• 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
• ADAS load point applications
• Automotive wireless communication systems

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

Verify the specific ordering suffix W5 corresponds to the SOT25 package type when sourcing. Confirm that the Q suffix indicates automotive compliance status. Ensure compatibility with IATF 16949 certified manufacturing requirements if used in production environments. Check datasheet revision 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 for designs requiring high PSRR and low noise in automotive environments. The SOT25 package offers a compact footprint suitable for dense PCB layouts. Consider the 1.05V fixed output for specific logic levels or biasing needs. Evaluate thermal performance based on the junction-to-ambient resistance provided in the datasheet for the selected operating conditions.

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

This part belongs to the AP7347DQ series of low dropout regulators designed for automotive applications. The series is characterized by high output voltage accuracy and low power consumption. It is manufactured in facilities certified under IATF 16949 standards. The product line supports various fixed output voltages ranging from 1.0V to 5.0V across different 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-33W5-7 for 3.3V output in the same SOT25 package. Cross-family replacements require verification of pinout compatibility, output current capabilities, and regulatory compliance standards.