AP7343Q-15FDUW-7

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

The AP7343Q-15FDUW-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a stable 1.5 V output voltage with a maximum continuous load current of 300 mA. This automotive-grade component belongs to the AP7343Q series and features a typical power supply rejection ratio of 75 dB at 1 kHz. It operates within an input voltage range of 1.7 V to 5.25 V and maintains performance across an extended temperature range from -40 °C to +125 °C. The device incorporates AEC-Q100 qualification for automotive reliability and utilizes a compact WDFN-6 package.

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

• AEC-Q100 qualified for automotive applications ensuring high reliability under demanding conditions
• High power supply rejection ratio minimizes noise coupling from input sources
• Low quiescent current extends battery life in portable and mobile systems
• Integrated enable pin allows precise control over power states

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

• Automotive infotainment system power distribution
• Telematics unit voltage regulation
• Sensor node power management in connected vehicles
• Body control module logic supply

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

Verify the specific suffix FDUW corresponds to the WDFN-6 package configuration as defined in official Diodes Incorporated documentation. Confirm that the Q designation indicates AEC-Q100 compliance for your target application environment. Ensure the ordering information matches the exact electrical specifications required for your circuit design before finalizing procurement.

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

Select this component when automotive qualification is mandatory for the power rail. The 300 mA capacity supports moderate load requirements while the low dropout characteristic ensures efficiency near the minimum input voltage threshold. Verify thermal dissipation capabilities within the WDFN-6 footprint against expected ambient temperatures and load currents to maintain safe operating area limits.

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

This part belongs to the AP7343Q family of automotive linear regulators designed for high-performance noise-sensitive applications. The series offers various fixed output voltages and packaging options to suit diverse board space constraints. It serves as a robust solution for replacing older generation LDOs in modern vehicle electronics where size and reliability are critical factors.

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

Direct substitutes include other AP7343Q variants with different fixed output voltages if the voltage level can be adjusted. Cross-reference with AP7343 non-automotive versions only if automotive qualification is not required, noting potential differences in testing standards.