AP7347E-18FDCWR-7R

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

The AP7347E-18FDCWR-7R is a low dropout regulator manufactured by Diodes Incorporated, featuring a fixed 1.8V output voltage and housed in the U-DFN2020-6 (SWP) package with code FDCWR. It operates within an input voltage range of 1.7V to 5.5V and guarantees a continuous output current of 500mA. The device provides high output voltage accuracy of ±1% and includes a power-good indicator for supply monitoring. Key electrical characteristics include a ripple rejection of 75dB at 1kHz, low output noise of 60µVrms from 10Hz to 100kHz, and a quiescent current as low as 75µA.

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

• Integrated power-good indicator for supply monitoring and sequencing
• Active output discharge ensures known system startup state when disabled
• Fold-back short-circuit protection limits output current during faults
• Thermal shutdown protection prevents damage from overheating

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

• Noise-sensitive equipment requiring stable power supplies
• Desktops and notebooks
• Servers and gaming consoles
• Camera modules

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

Verify that the ordering suffix matches the required package type and packing quantity. Confirm the specific output voltage designation aligns with circuit requirements. Ensure compliance with RoHS and lead-free standards if applicable to the project specifications. Check for any automotive qualification requirements if the application demands AEC-Q100 certification or PPAP capability.

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

Select this component for applications requiring high PSRR and low noise in a compact footprint. Consider the thermal resistance values when designing the PCB copper area for heat dissipation. Ensure the input capacitor placement minimizes impedance to maintain stability under varying load conditions. Evaluate the enable pin logic levels against the driving source capabilities.

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

This part belongs to the AP7347E series of 500mA high PSRR low noise LDOs. It is designed based on a CMOS process and includes features such as a voltage reference, error amplifier, and current limit circuit. The series supports both fixed and adjustable output voltages, catering to various power management needs in consumer and industrial electronics.

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

AP7347E-18FDCW-7R