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AP7315Q-30W5-7 Equivalent & Substitute Parts
Part Overview
The AP7315Q-30W5-7 is a linear voltage regulator IC from Diodes Incorporated designed for positive fixed output regulation. This Surface Mount device delivers 150mA output current with a fixed 3V output and is qualified to automotive standards (AEC-Q100). The part is currently in active production status with 3848 units available in inventory. Alternative part numbers are necessary when primary stock is unavailable or when design flexibility across qualified variants is required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Category | Power Management (PMIC) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Voltage - Output (Min/Fixed) | 3V |
| Voltage - Input (Max) | 5.25V |
| Current - Output | 150mA |
| Voltage Dropout (Max) | 0.29V @ 150mA |
| Package / Case | SC-74A, SOT-753 |
| Mounting Type | Surface Mount |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Operating Temperature | -40°C ~ 125°C (TA) |
Substitute Part Grouping Explanation
The AP7315DQ-30W5-7 qualifies as a parametric equivalent to the AP7315Q-30W5-7 based on identical electrical and mechanical specifications. Substitution is valid when the following criteria are met:
- Output voltage: 3V fixed
- Maximum output current: 150mA
- Maximum input voltage: 5.25V
- Voltage dropout: 0.29V @ 150mA
- Package type: SOT-25 (SC-74A, SOT-753)
- Surface Mount configuration
- Automotive grade with AEC-Q100 qualification
- Operating temperature range: -40°C ~ 125°C
Both parts share the same base product number (AP7315) and are manufactured by Diodes Incorporated, indicating they are variants within the same product family with identical functional performance.
Parameter Comparison
| Parameter | AP7315Q-30W5-7 | AP7315DQ-30W5-7 |
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated |
| Category | Power Management (PMIC) | Power Management (PMIC) |
| Output Configuration | Positive | Positive |
| Output Type | Fixed | Fixed |
| Voltage - Output (Min/Fixed) | 3V | 3V |
| Voltage - Input (Max) | 5.25V | 5.25V |
| Current - Output | 150mA | 150mA |
| Voltage Dropout (Max) | 0.29V @ 150mA | 0.29V @ 150mA |
| Current - Quiescent (Iq) | 60 µA | 60 µA |
| Current - Supply (Max) | 100 µA | 100 µA |
| PSRR | 75dB (1kHz) | 75dB (1kHz) |
| Control Features | Enable | Enable |
| Protection Features | Over Current, Short Circuit | Over Current, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 125°C (TA) |
| Grade | Automotive | Automotive |
| Qualification | AEC-Q100 | AEC-Q100 |
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Both AP7315Q-30W5-7 and AP7315DQ-30W5-7 are active production parts with identical electrical performance and automotive qualification. Selection between these parts is based on inventory availability and supply chain requirements rather than functional differences. Both parts maintain ROHS3 compliance and AEC-Q100 automotive qualification, making them suitable for applications requiring regulated 3V output at 150mA in automotive-grade environments. The MSL rating of 1 (Unlimited) indicates no moisture sensitivity restrictions for storage or handling.
Frequently Asked Questions (FAQ)
Q: Can AP7315DQ-30W5-7 be used as a direct replacement for AP7315Q-30W5-7?
A: Yes. Both parts are parametric equivalents with identical electrical specifications, output voltage, current rating, dropout voltage, package type, and automotive qualification. Direct substitution is valid without circuit modification.
Q: Are there any differences in the package or mounting requirements?
A: No. Both parts use the same SOT-25 package (SC-74A, SOT-753) and Surface Mount configuration. PCB layout and footprint remain unchanged.
Q: What is the significance of the part number suffix difference (Q vs. DQ)?
A: The suffix variation indicates different manufacturing batches or test conditions within the same product family. Both variants meet identical electrical and mechanical specifications and AEC-Q100 qualification requirements.
Q: Are both parts suitable for automotive applications?
A: Yes. Both parts carry automotive grade classification and AEC-Q100 qualification, meeting automotive industry standards for reliability and performance.
Q: What is the moisture sensitivity level for these parts?
A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard storage and handling practices apply.
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