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AOZ3017PI Equivalent & Substitute Parts
Part Overview
The AOZ3017PI is a buck switching regulator IC from Alpha & Omega Semiconductor Inc., designed for step-down voltage conversion with positive adjustable output. This device delivers 4A output current across an input voltage range of 4.5V to 18V, with adjustable output from 0.8V to 15.3V. The part operates at 500kHz switching frequency and includes a synchronous rectifier for improved efficiency.
The AOZ3017PI is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this regulator.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AOZ3017PI |
| Manufacturer | Alpha & Omega Semiconductor Inc. |
| Category | Power Management (PMIC) |
| Function | Step-Down (Buck) |
| Output Configuration | Positive Adjustable |
| Voltage - Input (Min/Max) | 4.5V / 18V |
| Voltage - Output (Min/Max) | 0.8V / 15.3V |
| Current - Output | 4A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the AOZ3017PI is based on the following critical parameters that must align between the main part and substitute candidates:
- Package Compatibility: 8-SOIC (0.154", 3.90mm Width) Exposed Pad form factor ensures PCB layout and thermal management compatibility
- Output Current Rating: 4A minimum output current capacity
- Input Voltage Range: Support for 4.5V to 18V input operation
- Output Voltage Adjustability: Adjustable positive output voltage capability
- Synchronous Rectification: Presence of integrated synchronous rectifier for efficiency matching
- Switching Frequency: 500kHz operation for consistent EMI and filtering characteristics
- Regulatory Compliance: ROHS3 compliance and MSL 1 rating for manufacturing and environmental requirements
The AOZ6604PI meets these substitution criteria as a direct functional equivalent from the same manufacturer, maintaining electrical and mechanical compatibility while offering active product status.
Parameter Comparison
| Parameter | AOZ3017PI (Main) | AOZ6604PI (Substitute) |
|---|---|---|
| Manufacturer | Alpha & Omega Semiconductor Inc. | Alpha & Omega Semiconductor Inc. |
| Category | Power Management (PMIC) | Power Management (PMIC) |
| Function | Step-Down (Buck) | Step-Down (Buck) |
| Output Configuration | Positive Adjustable | Positive |
| Current - Output | 4A | 4A |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The AOZ6604PI is the designated manufacturer substitute for the obsolete AOZ3017PI. Both devices share identical package geometry, output current rating, and regulatory compliance status. The AOZ6604PI maintains active product status, ensuring continued availability and manufacturing support.
Selection of the AOZ6604PI as a replacement is supported by:
- Identical 8-SOIC package with exposed pad for thermal performance equivalence
- Matching 4A output current specification
- Same manufacturer origin, ensuring design consistency and technical support continuity
- Active product status providing long-term supply chain reliability
- ROHS3 compliance and MSL 1 rating maintaining manufacturing process compatibility
- REACH unaffected status for regulatory alignment
Frequently Asked Questions (FAQ)
Q: Can the AOZ6604PI directly replace the AOZ3017PI on existing PCBs?
A: Yes. Both devices use the identical 8-SOIC (0.154", 3.90mm Width) Exposed Pad package. PCB layouts, footprints, and thermal management designs are fully compatible without modification.
Q: What is the primary reason for substitution?
A: The AOZ3017PI is classified as obsolete. The AOZ6604PI is the active equivalent from the same manufacturer, ensuring continued availability and manufacturing support.
Q: Are there differences in output voltage adjustability between these parts?
A: The AOZ3017PI is specified as positive adjustable output. The AOZ6604PI is specified as positive output. Detailed electrical specifications for the AOZ6604PI should be consulted to confirm adjustability range and feedback network requirements for your specific application.
Q: Do both parts meet the same regulatory requirements?
A: Yes. Both the AOZ3017PI and AOZ6604PI are ROHS3 compliant, carry MSL 1 (unlimited) moisture sensitivity rating, and are REACH unaffected, meeting identical environmental and regulatory standards.
Q: Is the 4A output current rating identical between both parts?
A: Yes. Both devices are rated for 4A output current, ensuring equivalent power delivery capability in step-down conversion applications.
Q: What packaging format is available for the AOZ6604PI?
A: The AOZ6604PI is supplied in Tape & Reel (TR) packaging, standard for surface mount production environments.
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