UCC3813D-2 The Texas Instruments UCC3813D-2 is a current mode PWM controller designed for offline and DC-to-DC switching power supplies. It operates at up to 1MHz with a 99% maximum duty cycle.
Mfr Part #:

UCC3813D-2

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC3813D-2 is a current mode PWM controller designed for offline and DC-to-DC switching power supplies. It operates at up to 1MHz with a 99% maximum duty cycle.
✓ Total Stock: 944 pcs
$ Price Range: $1.31

UCC3813D-2 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
944 pcs
944 pcs On Request 1 On Request On Request 10+ On Request On Request

UCC3813D-2 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Duty Cycle
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Supplier Package
Topology
Voltage

UCC3813D-2 Description

Short technical summary and product information.

The Texas Instruments UCC3813D-2 is an integrated circuit designed for fixed-frequency current-mode switching power supplies. It supports multiple topologies including Boost, Buck, Flyback, and Forward configurations, offering non-isolated output.

 

This device operates with an adjustable switching frequency up to 1MHz and features a maximum duty cycle of 99%. The operating voltage range is between 8.3V and 12V. Key control features include frequency control, and it integrates internal components for soft start and leading-edge blanking.

 

The UCC3813D-2 is available in an 8-SOIC package, suitable for surface mount applications. It operates within a wide temperature range of -55°C to 150°C (TJ). This IC is designed for applications requiring minimal external components for power supply designs.

UCC3813D-2 Quick Information

Product Type: AC/DC Converters, Offline Switches
Canonical Name: UCC3813D-2 Current Mode PWM Controller
Subcategory: AC/DC Switching Regulators

UCC3813D-2 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

UCC3813D-2 Estimated Pricing

Qty Low High
1+ $1.31 $1.31

Estimated market price range - modelled values for guidance only, not live distributor offers.

UCC3813D-2 Features

  • Current mode PWM controller IC
  • Supports multiple power supply topologies
  • 1MHz maximum switching frequency
  • 99% maximum duty cycle
  • 8-SOIC surface mount package

UCC3813D-2 Applications

  • Used in offline switching power supplies
  • Suitable for DC-to-DC converters
  • Designed for multi-topology applications
  • Requires minimal external components

UCC3813D-2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UCC3813D-2?

The operating voltage range is 8.3V to 12V.

What is the operating temperature range of the UCC3813D-2?

The operating junction temperature range is -55°C to 150°C.

What package does the UCC3813D-2 come in?

The UCC3813D-2 is offered in an 8-SOIC surface mount package (0.154", 3.90mm width).

What topologies does the UCC3813D-2 support?

It supports boost, buck, flyback, and forward topologies.

What is the switching frequency of the UCC3813D-2?

The switching frequency is 1MHz.

What is the maximum duty cycle of the UCC3813D-2?

The maximum duty cycle is 99%.

Does the UCC3813D-2 include any control features?

Yes, it includes frequency control.

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