AP7343Q-30FDZW-7

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

The AP7343Q-30FDZW-7 is a fixed-output automotive compliant low dropout regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 3.0V with a guaranteed maximum output current of 300mA. The device operates within an input voltage range of 1.7V to 5.25V and maintains high accuracy with a typical ripple rejection of 75dB at 1kHz. It features a low quiescent current of 35µA and supports an operating temperature range from -40°C to +125°C. The component is housed in a 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 demanding environments
• Integrated enable pin allows precise control over power states, supporting shutdown mode
• High power supply ripple rejection ensures stable operation in noisy electrical systems
• Low output noise characteristics suitable for sensitive RF and communication 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 the specific suffix FDZW corresponds to the W-DFN2020-6 (SWP) Type A1 package configuration. Confirm that the Q designation indicates compliance with automotive change control requirements. Ensure the ordering code matches the required 3.0V fixed output variant. Check for PPAP capability documentation if mandated by your manufacturing facility. Validate RoHS and halogen-free status against current regulatory standards.

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

Select this component when a fixed 3.0V rail is required for automotive-grade applications. The W-DFN2020-6 package offers a compact footprint for dense PCB layouts. Consider the 300mA current limit for powering moderate load devices. The absence of an auto-discharge feature distinguishes it from the AP7343DQ series. Verify thermal dissipation requirements based on the junction-to-ambient resistance of the chosen package.

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

This part belongs to the AP7343Q family of low dropout regulators designed specifically for automotive electronics. The series includes various output voltages and package options, including SOT25 and different W-DFN variants. The 'Q' suffix denotes automotive qualification, while 'FDZW' specifies the particular surface-mount package type used for this unit.

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

AP7343Q-30W5-7 serves as a functional substitute utilizing the SOT25 package instead of the W-DFN2020-6 form factor. Electrical performance remains consistent across package variations within the same voltage grade.