AP7343DQ-15FDUW-7

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

The AP7343DQ-15FDUW-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a stable 1.5 V output with a maximum load current of 300 mA. The device operates within an input voltage range of 1.7 V to 5.25 V and features a typical power supply rejection ratio of 75 dB. Quiescent current is specified at 35 uA. It utilizes a W-DFN2020-6 package and supports surface mount installation. The component is qualified under AEC-Q100 standards for automotive applications, ensuring reliability in demanding environments.

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

• Automotive-grade qualification compliant with AEC-Q100 standards
• High power supply rejection ratio for effective noise filtering
• Low quiescent current operation for energy efficiency
• Fixed 1.5 V output voltage regulation

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

• Automotive electronic systems requiring reliable power management
• Battery-powered devices utilizing wide input voltage ranges
• Noise-sensitive circuits needing high PSRR performance
• Embedded systems operating within -40°C to +125°C temperature limits

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

Verify the specific suffix FDUW corresponds to the W-DFN2020-6 package configuration when sourcing. Confirm AEC-Q100 automotive qualification status through official manufacturer documentation or authorized distributor datasheets. Ensure compatibility with required thermal dissipation parameters for the target application environment before finalizing procurement decisions.

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

Select this component for applications requiring automotive-grade reliability and high noise immunity. The 300 mA output capability suits moderate load requirements. Verify that the 1.5 V fixed output aligns with system voltage needs. Consider the W-DFN2020-6 package size for PCB layout constraints. Ensure input voltage remains within the 1.7 V to 5.25 V operational window for proper regulation.

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

This part belongs to the AP7343DQ series of low dropout regulators from Diodes Incorporated. The series is designed for automotive and industrial applications requiring robust performance. The DQ suffix typically indicates automotive qualification. The FDUW suffix denotes the specific W-DFN2020-6 package variant. This family offers various fixed output voltages to support diverse system architectures.

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

AP7343DQ-15FDZW-7 is a confirmed substitute with identical electrical specifications but utilizes a different W-DFN2020-6 package variant. Verify pinout compatibility and thermal characteristics before substitution. Other AP7343DQ variants with matching 1.5 V output may serve as alternatives if package differences are acceptable.