AP7347DQ-25FDZW-7B

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

The AP7347DQ-25FDZW-7B is an automotive-compliant, fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 2.5V with ±1% accuracy and supports up to 500mA of guaranteed output current. The device operates within a wide input voltage range of 1.7V to 5.5V and features a typical ripple rejection ratio of 75dB at 1kHz. It incorporates a low output noise of 60µVrms (10Hz to 100kHz) and a quiescent current as low as 60µA. The component utilizes a W-DFN2020-6 wettable flanks package and includes integrated thermal shutdown and short-circuit protection.

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

• Automotive-grade qualification meeting AEC-Q100 standards with PPAP capability for use in IATF 16949 certified facilities.
• Integrated enable pin with active discharge functionality to ensure known system startup states when disabled.
• High power density packaging utilizing W-DFN2020-6 wettable flanks technology for dense PCB layouts.
• Built-in thermal shutdown and fold-back short-circuit current limiting to protect against overcurrent conditions.

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

• Infotainment power supplies
• Automotive RF supplies
• ADAS point-of-load applications

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

Verify the specific ordering suffix '7B' against official manufacturer documentation to confirm tape and reel specifications. Ensure that the W-DFN2020-6 package variant matches the required footprint for the target PCB layout. Confirm compliance requirements such as RoHS and halogen-free status directly from the datasheet before finalizing procurement orders.

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

Select this component for designs requiring high output voltage accuracy and low noise in automotive environments. The 2.5V fixed output is suitable for powering sensitive digital logic or analog circuits. Consider the W-DFN2020-6 package if space constraints require a small footprint with enhanced thermal dissipation capabilities compared to standard packages.

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

This part belongs to the AP7347DQ family of low dropout regulators designed specifically for noise-sensitive automotive equipment. The series offers various fixed output voltages ranging from 1.0V to 5.0V. It is engineered to provide stable performance across a wide operating temperature range of -40°C to +125°C, ensuring reliability in demanding vehicular applications.

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

AP7347DQ-25FDZW-7