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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUCC3581N
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UCC3581N - Unitrode

Manufacturer Part Number
UCC3581N
Manufacturer
Unitrode
Allelco Part Number
32D-UCC3581N
ECAD Model
Parts Description
SWITCHING CONTROLLER, VOLTAGE-MO
Detailed Description
Package
14-DIP (0.300", 7.62mm)
Data sheet
UCC1581, UCC2581, UCC3581.pdf
UCC1581, UCC2581, UCC3581.pdf
Our certification
In stock: 12613
  • Unit Price: $2.30
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
80+ $2.30 $184.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Our certification

Specifications

UCC3581N Tech Specifications
Unitrode - UCC3581N technical specifications, attributes, parameters and parts with similar specifications to Unitrode - UCC3581N

Product Attribute Attribute Value  
Manufacturer Unitrode  
Voltage - Supply (Vcc/Vdd) 6.8V ~ 15V  
Topology Buck, Boost, Flyback, Forward Converter  
Synchronous Rectifier No  
Supplier Device Package 14-PDIP  
Series -  
Serial Interfaces -  
Package / Case 14-DIP (0.300", 7.62mm)  
Package Bulk  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive, Isolation Capable  
Operating Temperature 0°C ~ 70°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Up, Step-Down, Step-Up/Step-Down  
Frequency - Switching Up to 100kHz  
Duty Cycle (Max) 84%  
Control Features Current Limit, Enable, Frequency Control, Soft Start  
Clock Sync Yes  
Base Product Number UCC3581  

Parts Introduction

Manufacturer Part Number

UCC3581N

Manufacturer

Texas Instruments

Introduction

The UCC3581N is a high performance, fixed frequency, current mode, PWM control IC for DC-DC converter applications. It can be used to implement buck, boost, flyback, and forward converter topologies. The UCC3581N features a wide input voltage range, current limiting, soft-start, and clock synchronization.

Product Features and Performance

Wide input voltage range: 6.8V to 15V

Switching frequency up to 100kHz

Maximum duty cycle of 84%

Single output with positive polarity

Capable of isolation

Current limiting and soft-start functions

Clock synchronization capability

Product Advantages

Versatile topologies supported (buck, boost, flyback, forward)

Wide input voltage range for diverse applications

Current limiting and soft-start for improved safety and reliability

Clock synchronization allows for easy system integration

Key Reasons to Choose

Highly flexible and versatile power conversion solution

Robust features for improved safety and reliability

Ease of system integration with clock synchronization

Quality and Safety Features

Current limiting to protect against overcurrent

Soft-start function for controlled output voltage ramp-up

Compatibility

Suitable for a variety of DC-DC converter applications

Application Areas

Industrial equipment

Telecommunications

Consumer electronics

Product Lifecycle

The UCC3581N is an obsolete product. There are alternative models available, such as the UCC27517, UCC27518, and UCC27520 series, which offer similar functionality and performance. Customers are advised to contact our website's sales team for more information on the available alternatives.

Parts with Similar Specifications

The three parts on the right have similar specifications to Unitrode UCC3581N

Product Attribute UCC3581N UCC3580N-3 UCC3585M UCC3580DTR-3
Part Number UCC3581N UCC3580N-3 UCC3585M UCC3580DTR-3
Manufacturer Unitrode Texas Instruments Texas Instruments Texas Instruments
Output Phases 1 1 1 1
Synchronous Rectifier No No Yes No
Control Features Current Limit, Enable, Frequency Control, Soft Start Enable, Ramp, Soft Start Current Limit, Enable, Frequency Control, Soft Start Enable, Ramp, Soft Start
Voltage - Supply (Vcc/Vdd) 6.8V ~ 15V 8.5V ~ 16V 3V ~ 5.5V 8.5V ~ 16V
Serial Interfaces - - - -
Topology Buck, Boost, Flyback, Forward Converter Forward Converter Buck Forward Converter
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up/Step-Down Step-Down Step-Up/Step-Down
Output Configuration Positive, Isolation Capable Positive or Negative Positive Positive or Negative
Frequency - Switching Up to 100kHz 400kHz 500kHz 400kHz
Package / Case 14-DIP (0.300", 7.62mm) 16-DIP (0.300', 7.62mm) 16-SSOP (0.154', 3.90mm Width) 16-SOIC (0.154", 3.90mm Width)
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Duty Cycle (Max) 84% 66% 100% 66%
Package Bulk Tube Tube Tape & Reel (TR)
Number of Outputs 1 2 1 2
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 85°C (TA) 0°C ~ 70°C (TA)
Base Product Number UCC3581 UCC3580 UCC3585 UCC3580
Series - - - -
Mounting Type Surface Mount Through Hole Surface Mount Surface Mount
Clock Sync Yes No No No
Supplier Device Package 14-PDIP 16-PDIP 16-SSOP 16-SOIC

UCC3581N Datasheet PDF

Download UCC3581N pdf datasheets and Unitrode documentation for UCC3581N - Unitrode.

Datasheets
UCC1581, UCC2581, UCC3581.pdf
HTML Datasheet
UCC1581, UCC2581, UCC3581.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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UCC3581N

Unitrode
32D-UCC3581N

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