AP7315-28FS4-7B

Overview

The AP7315-28FS4-7B is a fixed-output low dropout regulator manufactured by Diodes Incorporated, providing a precise 2.8V output voltage. It operates within an input voltage range of 1.7V to 5.25V and supports a guaranteed maximum output current of 150mA. The device features high ripple rejection of 75dB at 1kHz and low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is as low as 35µA, with an output voltage accuracy of ±1%. It utilizes the X2-DFN1010-4 package.

Feature Summary

• Integrated enable pin for power control
• High ripple rejection ratio
• Low output noise performance
• Built-in short circuit protection

Applications

• Smart Phone/PAD
• RF Supply
• Cameras
• Portable Videos
• Wireless Communication

Procurement Notes

Verify the exact part number against official Diodes Incorporated documentation before procurement. Confirm that the FS4 suffix corresponds to the X2-DFN1010-4 package and the -7B suffix indicates tape and reel packaging. Ensure compatibility with your PCB footprint and thermal requirements. Cross-reference datasheet specifications with your system constraints to validate performance under expected operating conditions.

Selection Notes

Select this component when a stable 2.8V supply is required for sensitive RF or portable applications. The X2-DFN1010-4 package offers a compact footprint suitable for dense PCB layouts. Consider the 150mA current limit and 75dB PSRR for noise-sensitive circuits. Verify that the input voltage remains within the 1.7V to 5.25V range for optimal regulation and dropout performance.

Part Context

This component belongs to the AP7315 series of low dropout regulators designed for low-power handheld communication equipment. It is based on a CMOS process and includes an integrated resistor network for fixed output voltages. The series provides options for different packages and discharge configurations to meet various design needs.

Replacement Considerations

AP7315-28FS4-7