AP7343Q-11FDZW-7

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

The AP7343Q-11FDZW-7 is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 1.1V 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 characteristics include a ripple rejection ratio of 75dB at 1kHz, a quiescent current of 35µA, and an output voltage accuracy of ±1%. It utilizes 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 Grade 1 standards for noise-sensitive applications
• Integrated enable pin allows for precise power management control and shutdown modes
• CMOS process technology ensures high output voltage accuracy and low power consumption
• Includes built-in thermal shutdown and foldback short-circuit protection circuits

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

• Infotainment power supplies
• Automotive RF supplies
• Camera modules
• 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 non-discharge variant meets system requirements, as discharge versions exist under different part numbers. Ensure compliance with RoHS 3 and halogen-free definitions required for the target assembly environment.

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

Select this component when a fixed 1.1V rail is required for automotive-grade stability. The W-DFN2020-6 package offers a compact footprint suitable for dense PCB layouts. Verify that the 300mA load capability aligns with peak demand and that the 1.7V minimum input voltage accommodates the lowest expected supply conditions.

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

This part belongs to the AP7343Q series of low dropout regulators designed specifically for automotive environments. The series includes various fixed output voltages ranging from 0.9V to 3.6V. It shares core architectural features with standard commercial variants but adheres to stricter change control and quality documentation protocols mandated by IATF 16949 certified facilities.

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

AP7343D-11FDZW-7: Standard commercial grade version without automotive qualification. AP7343Q-11W5-7: Identical electrical performance housed in a SOT25 package instead of W-DFN2020-6.