AP7366EA-33SN-7

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

The AP7366EA-33SN-7 is a fixed-output low dropout linear regulator manufactured by Diodes Incorporated. It provides a stable 3.3V output with a maximum continuous current of 600mA. The device operates within an input voltage range of 2.2V to 6V and maintains a typical quiescent current of 60µA. It features high power supply rejection ratio performance, reaching 75dB at 1kHz. The unit utilizes a U-DFN2020-6 surface-mount package and supports an ambient operating temperature range from -40°C to +85°C.

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

• Integrated enable pin for active-high control of the regulator output state
• Built-in protection mechanisms including current limit, short circuit protection, and thermal shutdown
• Capable of fast transient response and rapid start-up times without requiring large external capacitors
• Designed for stability using standard low ESR ceramic output capacitors

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

• Servers and notebook computers
• FPGA and DSP cores or I/O powers
• Consumer electronics
• Low and medium power applications

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

Verify the specific suffix SN confirms the U-DFN2020-6 package configuration. Confirm the '33' designation matches the required 3.3V fixed output voltage. Ensure the ordering code includes the '-7' tape and reel suffix if bulk procurement is intended. Cross-reference the datasheet revision against the manufacturing date code to ensure compliance with current specifications.

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

Select this component when a fixed 3.3V rail is required with up to 600mA load capacity. The U-DFN2020-6 package offers a compact footprint suitable for space-constrained designs. Verify that the input voltage remains within the 2.2V to 6V operational window. Consider the thermal resistance characteristics of the chosen PCB layout to prevent thermal shutdown under heavy loads.

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

This part belongs to the AP7366EA family of low dropout regulators produced by Diodes Incorporated. The series includes both adjustable and fixed output variants across multiple packages. The AP7366EA specifically targets portable and battery-powered devices due to its low quiescent current consumption and efficient regulation capabilities in low-power scenarios.

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

AP7366EA-33W5-7 (SOT-25 package)

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

What is the minimum capacitance required for stable operation?

The device requires a minimum of 1µF ceramic output capacitor to ensure stability and improve transient response.

How does the enable pin function?

The EN pin is active-high; setting it to a logic high level turns the regulator on, while pulling it low disables the output.