AP7344D-2812RH4-7

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

The AP7344D-2812RH4-7 is a dual-channel low-dropout regulator manufactured by Diodes Incorporated. It provides fixed output voltages of 2.8V on Channel 1 and 1.2V on Channel 2, housed in an X2-DFN1612-8 package with tape and reel packing. The device supports an input voltage range from 1.7V to 5.25V and guarantees an output current of 300mA per channel. Key electrical characteristics include ±1% output voltage accuracy at +25°C, 75dB ripple rejection at 1kHz, and 60µVrms output noise within the 10Hz to 100kHz bandwidth. Quiescent current is specified as low as 50µA, with a standby current of 0.1µA when both enable pins are low.

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

• Dual-channel architecture with independent enable inputs for each regulator
• Integrated auto-discharge circuitry to pull outputs low upon shutdown
• High power supply ripple rejection capability for noise-sensitive applications
• Low output noise performance suitable for RF and communication subsystems

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 discharge configuration. Ensure compliance with RoHS directives and halogen-free requirements prior to integration into final assemblies.

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

Select this component for designs requiring two distinct regulated rails from a single compact footprint. The integrated discharge feature aids in system power sequencing and safe state management. Verify that the input voltage remains within the 1.7V to 5.25V operational window to maintain stability and regulation accuracy under all load conditions.

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

This part belongs to the AP7344 family of dual LDO regulators designed for portable electronics. It utilizes a CMOS process to achieve low quiescent current and high efficiency. The device is packaged in the X2-DFN1612-8 form factor to support dense PCB layouts common in modern handheld devices.

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

Diodes Incorporated recommends using the AP7345D as a replacement for new designs. The AP7345D serves as the successor to the AP7344 series.

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

What is the function of the 'D' suffix in the AP7344D-2812RH4-7 model?

The 'D' suffix indicates that the device includes built-in auto-discharge resistors on the output channels to ensure the outputs are pulled low when the enable pins are deactivated.

How does the AP7344D-2812RH4-7 handle short-circuit conditions?

The device incorporates short-circuit protection that triggers when the output is shorted to ground, clamping the output current to approximately 60mA to prevent damage.