AP7344D-3333RH4-7

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

The AP7344D-3333RH4-7 is a dual-channel low-dropout regulator manufactured by Diodes Incorporated. It provides two independent 3.3V outputs with a guaranteed output current of 300mA per channel. The device operates within an input voltage range of 1.7V to 5.25V and features high output voltage accuracy of ±1% at +25°C. Key electrical characteristics include a ripple rejection ratio of 75dB at 1kHz, low output noise of 60µVrms from 10Hz to 100kHz, and a quiescent current as low as 50µA. It utilizes the X2-DFN1612-8 package.

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

• Dual-channel architecture with individual enable inputs for independent control
• High output voltage accuracy of ±1% at room temperature
• Low output noise and high ripple rejection for sensitive applications
• Integrated short-circuit protection and thermal shutdown

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

• Smart phones and tablets
• RF supplies
• Cameras
• Portable media players
• Wireless communication devices

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

Verify component authenticity through authorized Diodes Incorporated distributors or direct channels. Confirm that the specific ordering suffix matches the required package type and output configuration. Ensure compliance with RoHS directives and environmental standards relevant to your region before finalizing procurement orders.

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

Select this component when dual isolated rails are required in a compact footprint. The wide input voltage range supports various battery types. Verify that the load transient response and capacitor ESR requirements align with the application's stability criteria. Consider the thermal dissipation capabilities of the PCB layout for optimal performance under maximum load conditions.

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

This part belongs to the AP7344 series of dual LDO regulators designed for portable electronics. It offers a small form factor suitable for dense PCB layouts. The series provides fixed output voltages ranging from 1.2V to 3.6V with high precision. It is intended for low-power handheld communication equipment requiring stable power delivery.

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

The datasheet explicitly states that the AP7344 is not recommended for new designs and recommends using the AP7345D instead. Engineers should evaluate the AP7345D as the primary replacement option for new projects due to its updated specifications and availability status.