AP7347DQ-25W5-7

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

The AP7347DQ-25W5-7 is an automotive-compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 2.5V output with ±1% accuracy and supports up to 500mA of guaranteed output current. The device operates within a 1.7V to 5.5V input voltage range and features a typical ripple rejection of 75dB at 1kHz. Quiescent current is maintained at 60µA, while output noise is limited to 60µVrms from 10Hz to 100kHz. It includes thermal shutdown and short-circuit protection, housed in a SOT25 (Type A1) package.

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

• Automotive compliant with AEC-Q100 qualification and IATF 16949 manufacturing certification
• High power supply ripple rejection capability for noise-sensitive applications
• Integrated enable pin for precise power management control
• Low output noise performance suitable for RF and infotainment systems

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

• Infotainment power supplies
• Automotive RF supplies
• Cameras
• Automotive POL in ADAS
• Automotive wireless communication systems

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

Verify the specific ordering suffix W5 corresponds to the SOT25 (Type A1) package configuration required for your PCB layout. Confirm that the Q suffix indicates the automotive-grade variant meeting AEC-Q100 standards. Ensure the EN pin is driven correctly to activate the regulator, as it must not be left floating during operation.

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

Select this component when designing for automotive environments requiring high PSRR and low noise. The 500mA output current capacity supports moderate load requirements. Verify input voltage stability within the 1.7V to 5.5V range. Consider the SOT25 package dimensions for space-constrained layouts and ensure adequate thermal dissipation via copper area connections.

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

This part belongs to the AP7347DQ series of low dropout regulators designed specifically for automotive electronics. The series offers various fixed output voltages ranging from 1.0V to 5.0V. All variants share common electrical characteristics including high PSRR and low quiescent current, ensuring consistent performance across different system voltage requirements.

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

AP7347DQ-25FDZW-7 serves as a direct functional substitute utilizing the W-DFN2020-6 package instead of SOT25.