AP7343Q-10FDUW-7

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

The AP7343Q-10FDUW-7 is a fixed-output low dropout regulator from Diodes Incorporated, providing a stable 1.0 V output with a maximum load current of 300 mA. It operates within an input voltage range of 1.8 V to 5.25 V and features a typical power supply rejection ratio (PSRR) of 75 dB at 1 kHz. The device incorporates an enable pin for power management and delivers high accuracy with low quiescent current consumption. Designed for automotive reliability, it meets AEC-Q100 standards and functions across an extended temperature range from -40 °C to +125 °C.

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

• AEC-Q100 qualified for automotive grade reliability
• Integrated enable control for system power management
• High power supply rejection ratio for noise reduction
• Low quiescent current for battery efficiency

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

• Automotive infotainment systems
• Electronic control units (ECUs)
• Body electronics modules
• Sensor power supplies in vehicles

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

Verify the specific suffix FDUW against official Diodes Incorporated documentation to confirm package type and tape-and-reel specifications. Ensure the component meets required automotive qualification standards for your application environment. Cross-reference the datasheet revision date to validate parameter consistency before finalizing procurement orders.

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

Select this regulator when a fixed 1.0 V rail is required for automotive circuits demanding high PSRR and low noise. It serves as a suitable alternative to standard industrial LDOs where extended temperature ranges and AEC-Q100 compliance are mandatory. Consider its 300 mA capacity relative to the target load requirements.

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

This component belongs to the AP7343Q series, which represents the automotive-grade variant of the AP7343 family. While sharing core electrical characteristics with industrial versions, the Q-series undergoes stricter manufacturing controls and testing protocols to ensure durability in harsh automotive environments.

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

Direct substitutes include other AEC-Q100 qualified LDOs with similar 300 mA output and 1.0 V fixed voltage. Verify pin compatibility and thermal performance before swapping.