AP7347E-11FDCW-7R

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

The AP7347E-11FDCW-7R is a low dropout regulator manufactured by Diodes Incorporated, featuring a fixed 1.1V output voltage and housed in a U-DFN2020-6 (SWP) package with code FDCW. It operates within an input voltage range of 1.7V to 5.5V and guarantees an output current of 500mA. The device provides high power supply rejection ratio of 75dB at 1kHz and maintains low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is as low as 75µA, and it includes a power-good indicator for supply monitoring.

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

• Integrated power-good indicator for supply monitoring and sequencing
• Active output discharge capability for rapid shutdown
• Built-in short-circuit protection and thermal shutdown mechanisms

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

• Desktops and notebooks
• Servers
• Gaming consoles
• Camera modules
• Medium-current, noise-sensitive applications

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

Verify the specific ordering suffix '7R' corresponds to tape and reel packaging when sourcing. Confirm that the FDCW package code matches the required U-DFN2020-6 footprint for PCB layout compatibility. Ensure the fixed 1.1V output specification aligns precisely with the target circuit requirements before finalizing procurement orders.

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

Select this component for designs requiring a stable 1.1V rail with minimal noise interference. The inclusion of a power-good pin makes it suitable for systems needing precise supply sequencing. Consider the U-DFN2020-6 package dimensions for space-constrained layouts while ensuring adequate thermal dissipation through the exposed pad.

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

This part belongs to the AP7347E series, which offers high PSRR and low noise characteristics. It is designed using a CMOS process and includes features like an enable input and current limit circuit. The series supports both fixed and adjustable output voltages, catering to various power management needs in consumer electronics and computing devices.

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

AP7347E-11FDCWR-7R

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

What is the function of the PG pin on the AP7347E?

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

How does the AP7347E handle overcurrent conditions?

The device incorporates short-circuit protection that triggers when the output is shorted to ground, clamping the output current to approximately 180mA to prevent damage from overheating.