AP7315D-33W5-7 Equivalent & Substitute Parts

Part Overview

The AP7315D-33W5-7 is a linear voltage regulator IC from Diodes Incorporated designed for positive fixed output applications. This Surface Mount device delivers 150mA output current at a fixed 3.3V output with a maximum dropout voltage of 0.29V at rated load. The part is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when electrical performance parameters, output configuration, package type, and compliance certifications remain equivalent across the specified operating range.

Key Parameters

Parameter	Value
Manufacturer	Diodes Incorporated
Category	Power Management (PMIC)
Output Voltage (Fixed)	3.3V
Output Current	150mA
Input Voltage (Max)	5.25V
Dropout Voltage (Max)	0.29V @ 150mA
Package Type	SOT-25 (SC-74A, SOT-753)
Mounting Type	Surface Mount
Operating Temperature Range	-40°C to 85°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the AP7315D-33W5-7 are identified based on strict equivalence across the following critical parameters:

Output voltage configuration: Positive, Fixed, 3.3V
Output current capability: 150mA minimum
Input voltage rating: 5.25V maximum
Dropout voltage performance: 0.29V @ 150mA maximum
Package type: SOT-25 (SC-74A, SOT-753)
Mounting configuration: Surface Mount
Control and protection features: Enable control, Over Current protection
Compliance certifications: RoHS3, REACH Unaffected status
Product status: Active

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Parameter	AP7315D-33W5-7	AP7315-33W5-7
Manufacturer	Diodes Incorporated	Diodes Incorporated
Output Configuration	Positive Fixed	Positive Fixed
Output Voltage	3.3V	3.3V
Output Current	150mA	150mA
Input Voltage (Max)	5.25V	5.25V
Dropout Voltage (Max)	0.29V @ 150mA	0.29V @ 150mA
Quiescent Current	60 µA	60 µA
PSRR	75dB (1kHz)	75dB (1kHz)
Package Type	SOT-25	SOT-25
Operating Temperature	-40°C to 85°C	-40°C to 85°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

The AP7315-33W5-7 is a direct parametric equivalent to the AP7315D-33W5-7. Both parts are manufactured by Diodes Incorporated and maintain identical electrical specifications, package configuration, and compliance certifications. Selection between these parts is based on inventory availability and procurement requirements. Both parts carry Active product status, ROHS3 compliance, and REACH Unaffected designation, confirming suitability for current design implementations without regulatory constraints.

Frequently Asked Questions (FAQ)

Q: Can AP7315-33W5-7 replace AP7315D-33W5-7 in existing designs?

A: Yes. Both parts are parametric equivalents with identical output voltage (3.3V), output current (150mA), dropout voltage (0.29V @ 150mA), package type (SOT-25), and operating temperature range (-40°C to 85°C). No circuit modifications are required.

Q: Are there package differences between these parts?

A: No. Both parts use the SOT-25 package (SC-74A, SOT-753) with Surface Mount configuration. Pin assignments and footprint requirements are identical.

Q: What compliance certifications apply to both parts?

A: Both parts are ROHS3 compliant and REACH Unaffected. Moisture Sensitivity Level is rated 1 (Unlimited) for both variants.

Q: Is there a difference in control features or protection?

A: No. Both parts include Enable control functionality and Over Current protection features with identical specifications.

Q: How do quiescent current and PSRR specifications compare?

A: Quiescent current is 60 µA for both parts. Power Supply Rejection Ratio is 75dB at 1kHz for both variants.

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