UCC2581D
Boost, Flyback, Forward Converter Regulator Positive, Isolation Capable Output Step-Up, Step-Up/Step-Down DC-DC Controller IC 14-SOIC





Brands: Unitrode
Mfr.Part #: UCC2581D
Datasheet: UCC2581D Datasheet (PDF)
Package/Case: 14-SOIC
Product Type: DC DC Switching Controllers
RoHS Status:
Stock Condition: 21,564 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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UCC2581D General Description
The UCC3581 is available in a range of package options to suit different design requirements. These include a 14-pin plastic dual-in-line (PDIP) package, a 14-pin ceramic dual-in-line (CDIP) package, and a 14-pin narrow body small outline IC (SOIC) package. The device operates over a wide temperature range of -55°C to +125°C for the UCC15 series, -40°C to +85°C for the UCC25 series, and 0°C to +70°C for the UCC35 series

Features
- Fault Tolerant and Overcurrent Protected
- Pulse Width Modulation for High Efficiency
- Rapid Response Time for Fast Transient Handling
- Soft Start and Soft Turn-Off for Reduced EMI
- Compact Design with Space Saving Benefits
- Programmable Frequency Range for Customized Performance
Specifications
Parameter | Value | Parameter | Value |
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Regulator Topology | Boost, Flyback, Forward | Control mode | Voltage |
Duty cycle (max) (%) | 83 | Switching frequency (max) (kHz) | 100 |
Features | Multi-topology, Soft start, Synchronization pin | UVLO thresholds on/off (V) | 7.3/6.8 |
Operating temperature range (°C) | -40 to 85 | Rating | Catalog |
Gate drive (typ) (A) | 1 | Vin (max) (V) | 15 |
Base Product Number | UCC2581 |
Shipping
Shipping Type | Ship Fee | Lead Time | |
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.5% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product Inventory
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Step2 :Pressure Relief Packaging
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Step3 :Anti Static Packaging
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Step4 :Protective Packaging
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Step5 :Sealed Packaging
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Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the UCC2581D?
A: To place an order for the UCC2581D, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the UCC2581D?
A: We offer a 1-year warranty on the UCC2581D. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of UCC2581D from Unitrode?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Unitrode manufacturers and authorized agents. All Unitrode suppliers must pass a qualification review before they can list their UCC2581D products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the UCC2581D chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Unitrode information page to find comprehensive details about the UCC2581D.
Q: Are the price and stock information for UCC2581D on Ovaga's platform accurate?
A: Inventory levels for Unitrode products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for UCC2581D?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the UCC2581D?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
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The UCC2581D is a versatile switching controller from Texas Instruments (TI). It's designed for low-power applications, with features such as an ultra-low startup current (85µA), programmable minimum and maximum duty cycles, and external oscillator synchronization. This controller finds application in microcontrollers, IoT devices, and battery-powered systems where power efficiency is paramount. In summary, the UCC2581D is a low-power, efficient switching controller that enables developers to create energy-saving applications.
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Equivalent
The equivalent products of UCC2581D by Texas Instruments (TI) might include the UCC2752X, UCC3460A, or other micropower switching controllers in SOIC-14 package. -
Features
The UCC2581D is a low-power switching controller with several key features:
**Ultra-low power**: Startup current is just 85 µA, while operating current is as low as 300 µA.
**Startup pregulator disable**: Ensures efficient power consumption during startup.
**Programming options**: Min/maximum duty cycle control, cycle skipping, and programmable soft start.
**Source/sink capability**: Outputs can handle up to 1 A peak source or sink current.
**Oscillator frequency and synchronization**: Programmable oscillator frequency and ability to synchronize with external oscillators. These features make the UCC2581D suitable for applications requiring low power consumption, precise current control, and programmability. -
Pinout
The UCC2581D is a micropower switching controller with an SOIC-14 package. Its pin count, as it's a 14-pin chip, includes:
VDD (Power Supply): Supplies input voltage.
GND (Ground): Provides a common reference for the device.
D/IO0 – D/IO13: Digital input/output pins, configurable as inputs or outputs. Functionally, these pins allow communication with external devices, control of digital signals, and power management. The UCC2581D's specific features are covered in the description provided earlier. -
Manufacturer
The UCC2581D is manufactured by Texas Instruments (TI). TI is a leading global semiconductor company, known for its innovation and wide range of products in the electronics industry. -
Application Field
The UCC2581D is a versatile switching controller designed for low-power applications like microcontrollers, battery management systems, and power-efficient chargers. Its features, such as low current consumption and programmable settings, make it suitable for demanding IoT devices. -
Package
The package type of UCC2581D is SOIC-14.
Assembly Advice
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