AP7341-30FS4-7

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

The AP7341-30FS4-7 is a fixed-output low dropout regulator manufactured by Diodes Incorporated. It provides a nominal output voltage of 3.0V with a guaranteed maximum output current of 300mA. The device operates within an input voltage range of 1.7V to 5.25V and maintains a quiescent current as low as 35µA. It features high ripple rejection of 75dB at 1kHz and low output noise of 60µVrms from 10Hz to 100kHz. The unit includes an enable pin for power control, short-circuit protection, and is housed in an X2-DFN1010-4 package.

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

• Integrated enable pin allows the regulator to be turned on or off via logic level signals
• Built-in short circuit protection clamps output current during fault conditions
• CMOS process technology ensures low output noise and minimal quiescent current consumption

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 that the specific part number matches the required 3.0V fixed output configuration. Confirm the X2-DFN1010-4 package code aligns with PCB footprint requirements. Ensure the ordering suffix corresponds to the desired tape and reel packaging format. Check datasheet specifications for absolute maximum ratings before finalizing procurement.

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

Select this component when a stable 3.0V rail is needed for low-power handheld devices. The wide input voltage range accommodates single-cell battery applications. High PSRR makes it suitable for sensitive RF circuits. Verify thermal dissipation capabilities against expected load currents and ambient temperatures.

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

This device belongs to the AP7341 series of low dropout regulators designed for dense PCB layouts. It utilizes a CMOS process to achieve high performance metrics including low dropout voltage and high ripple rejection. The series offers various fixed output voltages ranging from 1.1V to 3.3V within the same compact package form factor.

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

AP7341D-30FS4-7

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

How does the enable pin function?

The EN pin must be driven high to enable the regulator and pulled low to enter shutdown mode. It must not be left floating.

What is the typical ripple rejection capability?

The device provides a ripple rejection of 75dB at a frequency of 1kHz under standard operating conditions.