AP7363-15D-13

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

The AP7363-15D-13 is a fixed-output linear regulator manufactured by Diodes Incorporated, providing a stable 1.5V output with a maximum continuous current of 1.5A. It operates within an input voltage range of 2.2V to 5.5V and features an ultra-low dropout voltage of 190mV at full load. The device utilizes a TO252-3L package and includes integrated current limit and thermal shutdown protection. It maintains excellent line and load regulation across an ambient temperature range of -40°C to +85°C.

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

• Ultra-low dropout performance ensures efficient operation in low-voltage microprocessor applications
• Integrated current limit and thermal shutdown circuitry prevent IC damage during fault conditions
• Stable with any type of 10µF input/output capacitor without limitations on minimum or maximum ESR
• Low ground pin current consumption provides power savings in portable applications

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

• ASIC power supplies for printers, graphics cards, DVD players, set-top boxes, and routers
• FPGA and DSP core or I/O power supplies
• Step-down conversion from 3.3V or 5V rails
• SMPS regulators

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

Verify the specific ordering suffix 'D' corresponds to the TO252-3L package configuration required for your PCB layout. Confirm that the fixed 1.5V output aligns with your system's voltage requirements, as adjustable versions utilize different suffixes. Ensure compliance with RoHS3 and halogen-free specifications if mandated by your manufacturing standards. Cross-reference the datasheet revision number to confirm the most recent electrical characteristics and mechanical dimensions are applied.

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

Select this component when a fixed 1.5V rail is needed with high current capability up to 1.5A. The TO252 package offers superior thermal dissipation compared to smaller surface-mount options. Verify that the input voltage remains within the 2.2V to 5.5V operating range under all load conditions. Consider the thermal resistance of the PCB copper area connected to the exposed pad to ensure junction temperatures remain below the maximum threshold during peak power dissipation.

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

This part belongs to the AP7363 family of 1.5A ultra-low dropout linear regulators. The series includes various output voltages and package options such as U-DFN2030-8, SO-8EP, and SOT223. The AP7363 is designed for fast transient response and low quiescent current, making it suitable for demanding portable and embedded electronics where efficiency and stability are critical.

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

AP7363-15E-13 (SOT223-3L package)

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

What is the reference voltage used for the internal feedback loop?

The internal reference voltage (VREF) is typically 0.605V.

Is external compensation required for stability?

No, the AP7363 has an internal compensation circuit that maintains phase margin regardless of the output capacitor's ESR.