AP7315-25FS4-7B

Overview

The AP7315-25FS4-7B is a low dropout regulator manufactured by Diodes Incorporated, featuring a fixed 2.5V output voltage and housed in an X2-DFN1010-4 package. It supports an input voltage range of 1.7V to 5.25V with a guaranteed output current of 150mA. The device provides high output voltage accuracy of ±1%, ripple rejection of 75dB at 1kHz, and low output noise of 60µVrms from 10Hz to 100kHz. Quiescent current is as low as 35µA.

Feature Summary

• CMOS-based architecture with integrated enable control for power management
• High ripple rejection and low output noise suitable for sensitive applications
• Integrated resistor network delivering precise fixed output voltages
• Built-in short circuit protection and thermal regulation

Applications

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

Procurement Notes

Verify the specific ordering suffix FS4-7B confirms the X2-DFN1010-4 package and tape & reel packaging quantity of 10000 units. Confirm that the part number corresponds to the non-discharge variant rather than the discharge version (AP7315D). Ensure compliance with RoHS and halogen-free requirements before finalizing procurement orders.

Selection Notes

Select this component when a stable 2.5V rail is required within a 1.7V to 5.25V input window. The X2-DFN1010-4 package offers minimal footprint for dense PCB layouts. Consider the 150mA current limit and ±1% accuracy for precision analog or RF subsystems requiring low quiescent current operation.

Part Context

This part belongs to the AP7315 series of low dropout regulators designed for handheld communication equipment. It utilizes a CMOS process to achieve low power consumption and fast transient response. The series includes various fixed output options ranging from 1.1V to 3.3V across multiple package types including SOT23, SOT25, and DFN.

Replacement Considerations

AP7315D-25FS4-7B serves as a direct substitute if output discharge functionality is required upon shutdown.