AP7343Q-30W5-7

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

The AP7343Q-30W5-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a stable 3V output with a guaranteed maximum load current of 300mA. The device operates within an input voltage range of 1.7V to 5.25V and maintains high accuracy with a typical ripple rejection of 75dB at 1kHz. Designed for automotive environments, it supports an extended operating temperature range from -40°C to +125°C. The component utilizes a SOT-25-5 surface-mount package and incorporates internal protections including thermal shutdown and current limiting.

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

• Automotive compliant design qualified to AEC-Q100 Grade 1 standards
• High power supply ripple rejection capability for noise-sensitive circuits
• Integrated enable pin for precise power management control
• Low quiescent current consumption for efficient battery operation

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 the specific suffix W5 corresponds to the SOT-25 package configuration required for your PCB layout. Confirm that the Q designation meets your project's automotive compliance requirements. Ensure the EN pin is properly biased during operation to prevent floating states. Validate input and output capacitor values against the datasheet recommendations for stability.

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

Select this component when a fixed 3V rail is required for automotive-grade applications. Consider the SOT-25 package dimensions for space-constrained designs. Evaluate the 300mA current limit against peak load demands. Verify that the input voltage remains within the specified 1.7V to 5.25V window under all operating conditions.

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

This part belongs to the AP7343Q family of low dropout regulators designed specifically for automotive electronics. The series offers various fixed output voltages and package options to support diverse system architectures. It is manufactured in IATF 16949 certified facilities to ensure consistent quality and reliability for critical vehicle subsystems.

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

AP7343DQ-30W5-7 serves as a functional substitute with identical electrical characteristics but includes an internal output discharge resistor.