AP7344D-1218RH4-7

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

The AP7344D-1218RH4-7 is a dual-channel low-dropout regulator from Diodes Incorporated, housed in an X2-DFN1612-8 package. It provides fixed output voltages of 1.2V on Channel 1 and 1.8V on Channel 2. The device guarantees a continuous output current of 300mA per channel with ±1% accuracy at +25°C. It operates within an input voltage range of 1.7V to 5.25V and features a quiescent current as low as 50µA. Key performance metrics include a ripple rejection ratio of 75dB at 1kHz and a low output noise of 60µVrms across the 10Hz to 100kHz bandwidth.

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

• Dual-channel architecture with independent enable inputs for each regulator
• Integrated active discharge circuitry to ensure known system startup states
• High power supply ripple rejection capability for noise-sensitive applications
• Low dropout voltage characteristics optimized for battery-powered devices

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

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

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

Verify component authenticity through authorized distribution channels. Confirm that the specific ordering suffix matches the required output voltage configuration and package type. Ensure compliance with RoHS directives and halogen-free requirements during procurement. Validate that the supplier provides traceability documentation consistent with Diodes Incorporated standards.

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

Select this component when a compact dual-rail solution is required for portable electronics. The X2-DFN1612-8 package supports dense PCB layouts. Verify that the application requires the integrated auto-discharge feature for safe shutdown states. Confirm that the input voltage range accommodates the specific lithium-ion battery types used in the design.

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

This part belongs to the AP7344 series of dual LDO regulators designed for handheld communication equipment. It utilizes a CMOS process to achieve high output voltage accuracy and low static current consumption. The series is engineered to provide efficient power management in space-constrained consumer electronic devices.

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

Diodes Incorporated recommends using the AP7345D instead of the AP7344 for new designs.