AP7366-30SN-7 Equivalent & Substitute Parts

Part Overview

The AP7366-30SN-7 is a linear voltage regulator IC from Diodes Incorporated designed for positive fixed 3V output applications with 600mA current capability in a 6-pin UDFN package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The device provides integrated protection features including over-current, over-temperature, and short-circuit protection, with an enable control feature for power management applications.

Key Parameters

Parameter	Value
Output Voltage (Fixed)	3V
Output Current	600mA
Input Voltage (Max)	6V
Dropout Voltage (Max)	0.33V @ 600mA
Quiescent Current	80 µA
PSRR	75dB ~ 55dB (1kHz ~ 10kHz)
Operating Temperature Range	-40°C ~ 85°C
Package Type	6-UDFN Exposed Pad
Protection Features	Over Current, Over Temperature, Short Circuit
Control Features	Enable

Substitute Part Grouping Explanation

Substitution for the AP7366-30SN-7 is determined by strict equivalence across the following critical parameters:

Fixed output voltage of 3V
Output current capability of 600mA
Maximum input voltage of 6V
Dropout voltage performance
Quiescent current specification
PSRR characteristics
Operating temperature range of -40°C ~ 85°C
Identical protection and control features
RoHS3 compliance and MSL rating

Two substitute parts meet these criteria with variations in packaging and product status. The AP7366EA-30SN-7 maintains identical electrical specifications and package type while offering active product status. The AP7366EA-30W5-7 provides equivalent electrical performance but uses an alternative SOT-25 package format.

Parameter Comparison

Parameter	AP7366-30SN-7	AP7366EA-30SN-7	AP7366EA-30W5-7
Manufacturer	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated
Output Voltage	3V	3V	3V
Output Current	600mA	600mA	600mA
Input Voltage (Max)	6V	6V	6V
Dropout Voltage (Max)	0.33V @ 600mA	0.22V @ 600mA	0.33V @ 600mA
Quiescent Current	80 µA	80 µA	80 µA
PSRR	75dB ~ 55dB (1kHz ~ 10kHz)	75dB ~ 55dB (1kHz ~ 10kHz)	75dB ~ 55dB (1kHz ~ 10kHz)
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	6-UDFN Exposed Pad	6-UDFN Exposed Pad	SC-74A, SOT-753
Product Status	Obsolete	Active	Active
Protection Features	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit
Control Features	Enable	Enable	Enable
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For applications currently using the AP7366-30SN-7, the AP7366EA-30SN-7 is the primary substitute. This part maintains identical electrical specifications, package configuration, and form factor while offering active product status and improved availability. Both parts are RoHS3 compliant with MSL rating of 1, ensuring compatibility with standard manufacturing processes.

The AP7366EA-30W5-7 serves as an alternative when PCB layout permits package substitution from 6-UDFN to SOT-25. This part delivers equivalent electrical performance with identical protection and control features. The SOT-25 package may offer different thermal characteristics and board space requirements compared to the UDFN format.

All three parts share identical output voltage, current capability, input voltage range, quiescent current, PSRR performance, and operating temperature specifications. Selection between AP7366EA-30SN-7 and AP7366EA-30W5-7 depends solely on package compatibility with existing PCB designs.

Frequently Asked Questions (FAQ)

Q: Can AP7366EA-30SN-7 directly replace AP7366-30SN-7 without PCB modifications?

A: Yes. The AP7366EA-30SN-7 uses the identical 6-UDFN Exposed Pad package and maintains all electrical specifications, allowing direct substitution without PCB layout changes.

Q: What is the difference between AP7366EA-30SN-7 and AP7366EA-30W5-7?

A: The primary difference is packaging. AP7366EA-30SN-7 uses 6-UDFN Exposed Pad, while AP7366EA-30W5-7 uses SC-74A SOT-753 (SOT-25). Electrical specifications are equivalent. Package selection depends on PCB design constraints and thermal requirements.

Q: Why is the AP7366-30SN-7 marked as obsolete?

A: The part is classified as obsolete by the manufacturer. The AP7366EA-30SN-7 provides an active alternative with identical specifications and packaging.

Q: Are there any electrical performance differences between these parts?

A: The AP7366EA-30SN-7 offers improved dropout voltage performance (0.22V @ 600mA versus 0.33V @ 600mA) compared to both the original AP7366-30SN-7 and AP7366EA-30W5-7. All other electrical parameters remain identical across all three parts.

Q: Do all three parts meet the same compliance standards?

A: Yes. All parts are RoHS3 compliant, REACH unaffected, with MSL rating of 1 (Unlimited), and share identical ECCN and HTSUS classifications.

Q: Can AP7366EA-30W5-7 be used in applications requiring the UDFN package?

A: No. The AP7366EA-30W5-7 uses SOT-25 packaging and cannot be used as a direct replacement in designs requiring the 6-UDFN Exposed Pad form factor without PCB redesign.

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