AP7347DQ-12W5-7

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

The AP7347DQ-12W5-7 is a CMOS-based automotive compliant low dropout regulator manufactured by Diodes Incorporated. It provides a fixed 1.2V output with ±1% accuracy and supports up to 500mA of guaranteed output current. The device operates within an input voltage range of 1.7V to 5.5V and features a typical ripple rejection of 75dB at 1kHz. It includes an enable pin, integrated active discharge, and thermal shutdown protection.

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

• AEC-Q100 qualified for automotive applications requiring specific change control
• Integrated enable pin with internal active discharge for controlled startup
• Low output noise of 60µVrms from 10Hz to 100kHz
• Fold-back short-circuit current limiting to protect against overcurrent

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

• Automotive infotainment power supplies
• Automotive RF supplies
• ADAS point-of-load (POL) applications
• Automotive wireless communication systems

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

Verify the part number suffix W5 corresponds to the SOT25 package type. Confirm that the Q suffix indicates AEC-Q100 qualification and PPAP capability. Ensure the ordering code matches the required 1.2V fixed output voltage. Check datasheet specifications for thermal resistance values relevant to your PCB layout constraints.

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

Select this component when designing noise-sensitive automotive circuits requiring high PSRR. The 1.2V output is suitable for powering digital logic or sensor interfaces. Consider the SOT25 package for standard surface mount assembly. Verify that the input voltage remains above the minimum threshold while accounting for dropout voltage under maximum load conditions.

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

This device belongs to the AP7347DQ family of low dropout regulators designed for automotive environments. It is produced in IATF 16949 certified facilities. The series offers various fixed output voltages ranging from 1.0V to 5.0V. It shares common features such as low quiescent current and high ripple rejection across the family.

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

AP7347DQ-12FDZW-7: Identical electrical specifications but utilizes the W-DFN2020-6 package instead of SOT25.