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IR3651SPBF
Efficient switching control for power management
IR3651SPBF
Efficient switching control for power management
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Manufacturer Part # : IR3651SPBF
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Package/Case: SOIC-14
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Part Status : Obsolete
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Brand: Infineon Technologies
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Product Categories : DC DC Switching Controllers
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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IR3651SPBF DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
In essence, the IR3651SPBF epitomizes the pinnacle of power regulation technology, seamlessly blending efficiency, versatility, and reliability into a single, compact package. As industries evolve and demands escalate, this regulator stands ready to meet the challenges head-on, empowering designers to push the boundaries of innovation while safeguarding their creations with robust protection mechanisms. With the IR3651SPBF at the helm, the future of power conversion is brighter than ever before
Key Features
- Internal 600kHz Oscillator (300kHz “A version”)
- Operates with Single 5V or 12V Supply
- Programmable Over Current Protection
- Hiccup Current Limit Using MOSFET RDS(on) sensing
- Precision Reference Voltage (0.6V)
- Programmable Soft-Start
- Programmable PGood output
- Pre-Bias Start-up
- Thermal Protection
- 12-Lead MLP Package
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | Switching Controllers | Topology | Buck |
| Number of Outputs | 1 Output | Switching Frequency ! | 400 kHz |
| Duty Cycle - Max | 80 % | Output Current ! | 25 A |
| Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 125 C |
| Mounting Style | SMD/SMT | Package / Case | SOIC-14 |
| Brand | Infineon / IR | Height | 1.5 mm (Max) |
| Length | 8.74 mm (Max) | Product Type ! | Switching Controllers |
| Subcategory | PMIC - Power Management ICs | Type | Voltage Mode PWM Controllers |
| Width | 3.99 mm (Max) | Unit Weight | 0.011923 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is IR3651SPBF?
The IR3651SPBF is a high-performance, synchronous buck voltage regulator IC designed by Infineon Technologies. It is utilized in various power management applications such as servers, graphics cards, and high-efficiency voltage regulation modules.
How Does IR3651SPBF Work?
The IR3651SPBF works by efficiently converting a higher input voltage to a lower output voltage with high precision and minimal heat dissipation. It employs a synchronous buck topology to achieve high conversion efficiency and fast transient response. The regulator includes various built-in protection features to ensure reliable and safe operation in demanding applications.
How Many Pins does IR3651SPBF have and What are the Functions of the Pinout Configuration?
The IR3651SPBF is housed in a 23-lead PQFN (Power Quad Flat No-Lead) package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- PGOOD: Power good output pin.
- COMP, FB, SS: Compensation and feedback control pins.
- DRVH, DRVL: High-side and low-side driver output pins.
- BOOT, PHASE: Bootstrap and phase pins.
- EN, MODE, OCSET: Enable, mode select, and overcurrent limit control pins.
- VOUT: Output voltage pin.
What are the Pros and Cons of IR3651SPBF?
Pros:
- High Efficiency: Achieves high conversion efficiency, reducing power dissipation and heat generation.
- Fast Transient Response: Provides quick regulation of output voltage during load changes.
- Built-in Protections: Includes overcurrent protection, thermal shutdown, and other safety features for robust operation.
- Compact Package: The 23-lead PQFN package offers a space-efficient solution for power management designs.
- Adjustable Parameters: Supports programmable features such as switching frequency and overcurrent limit for application flexibility.
Cons:
- Complexity: Requires attention to layout, thermal considerations, and external component selection for optimal performance.
- Design Challenges: Synchronous buck regulators may require careful attention to feedback loop stability for specific applications.
Are There Any Equivalents/Alternatives to IR3651SPBF for Recommendation?
- The IR3899 from Infineon Technologies is a similar high-performance synchronous buck voltage regulator with advanced features.
- Alternatives to the IR3651SPBF include the TPS548D22A from Texas Instruments and the MP86903 from Monolithic Power Systems.
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