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Product Detailed Parameters
- Description：IC REG BUCK ADJ 15A 34PQFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4.5V
- Voltage - Input (Max)：18V
- Voltage - Output (Min/Fixed)：0.6V
- Voltage - Output (Max)：5.5V
- Current - Output：15A
- Frequency - Switching：200kHz ~ 1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：34-PowerTFQFN
- Supplier Device Package：34-PQFN (5.5x5)
- Grade：-
- Qualification：-
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Overview
The FAN2315AMPX is a synchronous buck switching regulator IC from onsemi, housed in a 34-PowerTFQFN package. It provides a single positive adjustable output capable of delivering up to 15A of load current. The device operates with an input voltage range of 4.5V to 18V and supports a switching frequency of 500 kHz. Designed for high-efficiency power conversion, it integrates the necessary control logic and drivers for step-down applications.
Feature Summary
- Synchronous rectification architecture for enhanced efficiency
- Adjustable output voltage capability
- High current delivery capacity
Applications
- Server power supply systems
- Compute server infrastructure
- Industrial automation controllers
Procurement Notes
Verify component status as obsolete before procurement planning. Confirm package integrity and pin compatibility with existing PCB footprints. Review latest datasheet revisions for any design-in changes. Ensure supply chain sources provide authentic parts to avoid counterfeits. Check for available replacement alternatives if new production is required.
Selection Notes
Select this component for applications requiring high-current DC-DC conversion within a compact form factor. Evaluate thermal management requirements due to the 15A output capability. Compare input voltage ranges against system power rails. Consider the 34-pin QFN package constraints for layout and soldering processes. Assess switching frequency needs against electromagnetic interference constraints.
Part Context
This part belongs to onsemi's portfolio of intelligent power and sensing technologies, specifically within the DC-DC switching regulators category. It is designed for mission-critical power systems where robust reliability and scalable performance are essential. The product line targets industrial, data center, and computing applications demanding efficient power management solutions.
Replacement Considerations
The FAN2315AMPX is listed as obsolete. Engineers should identify compatible synchronous buck regulators with similar 15A current ratings and 4.5V-18V input ranges. Verify pin-to-pin compatibility or assess redesign requirements for alternative packages. Consult onsemi documentation for recommended successor components or cross-reference guides.
