AP7347DQ-10W5-7

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

The AP7347DQ-10W5-7 is a low dropout regulator manufactured by Diodes Incorporated, packaged in SOT25 (Type A1). It provides a fixed output voltage of 1.0V with an input voltage range from 1.7V to 5.5V. The device guarantees an output current of 500mA and features high ripple rejection of 75dB at 1kHz. Quiescent current is as low as 60µA, and output noise is 60µVrms from 10Hz to 100kHz. It includes an enable pin, thermal shutdown, and short-circuit protection.

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

• Automotive compliant with AEC-Q100 qualification and PPAP capability for specific change control requirements.
• Integrated enable input allows precise power management by turning the regulator on or off via logic signals.
• Includes built-in short-circuit protection and thermal shutdown to safeguard against overcurrent and overheating conditions.

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 that the ordering suffix W5 corresponds to the SOT25 package type and not the FDZW variant. Confirm the 'Q' designation indicates automotive compliance and IATF 16949 manufacturing origin. Ensure the '-7' suffix matches the required tape and reel packaging quantity. Cross-reference the full part number with official Diodes Incorporated documentation to validate all specifications before procurement.

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

Select this component when a fixed 1.0V output is required within a 1.7V to 5.5V input range. It is suitable for noise-sensitive applications due to its low output noise and high PSRR. Consider the SOT25 package for space-constrained PCB layouts. Verify that the 500mA output current meets the load requirements and that the enable pin functionality aligns with system power sequencing needs.

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

This part belongs to the AP7347DQ series of automotive-compliant LDO regulators. The series offers various fixed output voltages ranging from 1.0V to 5.0V. It is designed for high performance in automotive environments, featuring CMOS process technology for low power consumption and fast transient response capabilities across the specified operating temperature range.

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

Other variants within the AP7347DQ family may serve as substitutes if different output voltages are acceptable. Parts with the FDZW package code offer an alternative form factor but maintain similar electrical characteristics. Ensure any replacement maintains the same automotive qualification status and package dimensions for direct board compatibility.

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

How does the enable pin function on the AP7347DQ-10W5-7?

The enable pin turns the regulator on when driven high and puts it into shutdown mode when pulled low. It must not be left floating during operation.

What protection features are included in this LDO?

The device includes short-circuit protection that clamps the output current and thermal shutdown to protect against overheating.