AP7343Q-15FDZW-7

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

The AP7343Q-15FDZW-7 is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 1.5V output with a guaranteed maximum current of 300mA. The device operates within an input voltage range of 1.7V to 5.25V and supports an ambient temperature range from -40°C to +125°C. Key electrical specifications include a quiescent current of 35µA, ripple rejection of 75dB at 1kHz, and output noise of 60µVrms. It utilizes the 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 and shutdown modes
• High power supply rejection ratio ensures stable operation in electrically noisy circuits
• Low output noise characteristics suitable for sensitive RF and analog signal processing

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

• Infotainment power supplies
• Automotive RF supplies
• Camera modules
• Point-of-load regulation in ADAS systems
• Automotive wireless communications

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

Verify that the specific part number suffix FDZW corresponds to the W-DFN2020-6 (SWP) Type A1 package configuration required for your PCB layout. Confirm that the non-discharge variant meets system requirements, as discharge versions utilize different suffixes. Ensure compliance with RoHS and halogen-free material definitions specified in the manufacturer documentation before finalizing procurement orders.

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

Select this component when a fixed 1.5V rail is required for automotive-grade applications. The W-DFN2020-6 package offers a compact footprint for dense layouts. Consider the 300mA current limit and thermal dissipation capabilities relative to the expected load profile. Verify that the input voltage remains within the 1.7V to 5.25V operational window under all conditions.

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

This device belongs to the AP7343Q series of low dropout regulators designed specifically for automotive electronics. The series includes various fixed output voltages ranging from 0.9V to 3.6V. It shares common features such as high PSRR and low quiescent current across the family, but differs in output voltage settings and available package options like SOT25 or other DFN variants.

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

AP7343D-15FDZW-7: Identical electrical performance but includes an internal output discharge feature upon shutdown.