AP7347E-11FGECW-13A

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

The AP7347E-11FGECW-13A is a fixed-output low dropout regulator manufactured by Diodes Incorporated, delivering an output voltage of 1.1V with ±1% accuracy. It supports up to 500mA output current within a 1.7V to 5.5V input range. The device features 75dB ripple rejection at 1kHz and 60µVrms output noise from 10Hz to 100kHz. Quiescent current is 75µA. It includes power-good indication, active output discharge, and thermal shutdown protection. The component is housed in a V-DFN3030-8/SWP package.

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 current limit protects against overcurrent conditions
• Thermal shutdown prevents damage during overheating events

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

• Noise-sensitive equipment requiring stable power rails
• Desktops and notebooks
• Servers
• Gaming consoles
• Camera modules

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

Verify the specific ordering suffix FGECW-13A corresponds to the V-DFN3030-8/SWP package and 13-inch tape & reel packing quantity. Confirm that the 11 designation matches the required 1.1V fixed output voltage. Ensure compatibility with the intended PCB footprint and thermal requirements for the exposed pad design.

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

Select this part for applications requiring high PSRR and low noise performance. The 1.1V fixed output suits digital logic or sensor supplies. Verify input voltage remains above the dropout threshold under maximum load. Consider the thermal resistance characteristics of the V-DFN3030-8 package for heat dissipation in enclosed environments.

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

This component belongs to the AP7347E series of 500mA high PSRR low noise LDOs. It utilizes a CMOS process and offers both fixed and adjustable output versions. The series is designed for noise-sensitive applications, providing robust line and load transient response alongside low quiescent current consumption.

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

AP7347E-11FDCW-7R (Same electrical specs, different U-DFN2020-6 package)

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

What is the function of the PG pin?

The Power-Good (PG) pin is an open-drain output that indicates when the output voltage exceeds the power-good threshold. It goes into a high-impedance state when VOUT is sufficient and pulls low if VOUT drops below the threshold or the device is disabled.

How does the device handle short circuits?

The AP7347E includes fold-back short-circuit protection. When the output is shorted to ground, the current limit triggers and clamps the output current to approximately 180mA to prevent damage.