AP7343Q-10FDZW-7

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

The AP7343Q-10FDZW-7 is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 1.0V output with a guaranteed maximum current of 300mA. The device operates within an input voltage range of 1.7V to 5.25V and supports junction temperatures from -40°C to +125°C. Key electrical specifications include a quiescent current of 35µA, ripple rejection of 75dB at 1kHz, and output noise of 60µVrms. It utilizes the W-DFN2020-6 (SWP) Type A1 package.

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

• Automotive compliant design qualified to AEC-Q100 standards for use in specific change control applications
• Integrated enable pin allows for precise power management and shutdown control
• High power supply rejection ratio ensures stable operation in electrically noisy environments
• Low output noise characteristics suitable for sensitive RF and camera circuits

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

• Infotainment power supplies
• Automotive RF supplies
• Cameras
• Automotive POL in ADAS
• Automotive wireless communications

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

Verify that the component matches the exact part number AP7343Q-10FDZW-7 to ensure correct voltage and package configuration. Confirm compliance requirements such as RoHS and halogen-free status if mandated by your assembly process. Check datasheet revision DS41595 Rev. 5-2 for any updates to electrical characteristics or ordering information before finalizing procurement.

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

Select this component when a fixed 1.0V rail is required for automotive-grade noise-sensitive loads. The W-DFN2020-6 package offers a compact footprint for dense PCB layouts. Ensure input voltage remains above the dropout threshold for the expected load current. Verify thermal dissipation capabilities based on the ambient temperature and copper area available on the PCB.

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

This device belongs to the AP7343Q series of low dropout regulators designed specifically for automotive applications. It shares core performance metrics with other variants in the family but differs in output voltage and packaging options. The 'Q' suffix indicates automotive qualification, while 'FDZW' specifies the W-DFN2020-6 Type A1 package configuration.

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

Direct replacements must maintain the same 1.0V fixed output, 300mA current capability, and W-DFN2020-6 package. Variants like AP7343DQ-10FDZW-7 offer similar electrical performance but include an internal discharge resistor. Ensure any substitute meets AEC-Q100 Grade 1 requirements if automotive compliance is mandatory.