AP7366-39SN-7

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

The AP7366-39SN-7 is a fixed-output linear regulator manufactured by Diodes Incorporated. It provides a fixed output voltage of 3.9V with a maximum continuous output current of 600mA. The device operates within an input voltage range up to 6V and features a typical dropout voltage of 210mV at full load. Quiescent current is specified at 80µA, ensuring efficient power management. The unit includes enable control functionality and offers protection against overcurrent, thermal overload, and short circuits. It is housed in a U-DFN2020-6 surface-mount package and supports operation across a temperature range of -40°C to +85°C.

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

• Integrated enable pin for precise power management and system sequencing control
• Built-in thermal shutdown and current limiting mechanisms protect the device during fault conditions
• Ultra-low dropout performance maintains regulation under minimal input-to-output voltage differentials
• High power supply rejection ratio ensures stable output voltage despite input line noise

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

• Portable consumer electronics requiring low-noise power rails
• Battery-operated devices where quiescent current minimization extends runtime
• Embedded systems utilizing microcontrollers or sensors needing stable 3.9V logic levels
• IoT modules and wireless communication interfaces

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

Verify the specific suffix 'SN' against the manufacturer's latest datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with RoHS3 and REACH regulations if required by your region. Confirm that the 600mA output rating aligns with your circuit's peak load requirements without exceeding thermal limits in the U-DFN2020-6 footprint.

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

Select this component when a fixed 3.9V rail is needed with moderate current capability. Compare quiescent current and dropout voltage against alternatives if battery life is critical. Verify that the U-DFN2020-6 package fits your PCB layout constraints. Consider the enable feature if system power sequencing is required. Ensure input voltage does not exceed the 6V maximum rating under all operating conditions.

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

This part belongs to the AP7366 series of low-dropout regulators from Diodes Incorporated. The series is designed for portable applications requiring small footprints and high efficiency. Similar parts in the family offer different fixed output voltages but share the same 600mA current capacity and U-DFN2020-6 packaging. The series emphasizes low noise and fast transient response for sensitive analog and digital loads.

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

Check for direct cross-reference part numbers from Diodes Incorporated offering identical 3.9V output and 600mA current in the same package. Verify pinout compatibility before substitution. Ensure replacement parts meet the same thermal and electrical specifications.