AP7341-28FS4-7

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

The AP7341-28FS4-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 2.85V with an accuracy of ±1% at +25°C and ±1.5% across the operating temperature range. The device guarantees a continuous output current of 300mA and operates within an input voltage range of 1.7V to 5.25V. Key electrical specifications include a quiescent current of 35µA, ripple rejection of 75dB at 1kHz, and output noise of 60µVrms from 10Hz to 100kHz. It is housed in an X2-DFN1010-4 package.

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

• Integrated enable pin for power control and shutdown mode management
• Built-in short circuit protection that clamps output current during faults
• CMOS process technology ensuring low on-resistance and minimal power consumption
• High ripple rejection capability suitable for sensitive RF supply applications

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

• Smart Phone/Pad
• RF Supply
• Cameras
• Portable Video
• Wireless Communication

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

Verify the specific ordering suffix matches the required packaging format, as the datasheet indicates availability in Tape & Reel configurations. Confirm compliance with RoHS and Halogen-free standards if environmental regulations apply to your manufacturing process. Ensure the EN pin is driven correctly to avoid floating states during operation.

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

Select this component when a precise 2.85V rail is required for low-power portable electronics. Consider the 300mA current limit and the specific dropout characteristics relative to your minimum input voltage. Verify that the load transient response requirements align with the internal error amplifier capabilities and recommended external capacitor values.

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

This part belongs to the AP7341 series of high PSRR low noise LDOs. The '285' designation specifically sets the fixed output voltage to 2.85V. The 'FS4' code identifies the X2-DFN1010-4 surface mount package. This series is designed for dense PCB layouts in handheld communication equipment requiring stable power delivery.

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

AP7341D-285FS4-7 is a documented alternative within the same family featuring built-in output discharge.