UCC3813DTR-4 The Texas Instruments UCC3813DTR-4 is an AC/DC switching regulator IC designed for offline and DC-to-DC power supplies. It operates at a frequency of 1MHz with a maximum duty cycle of 49%.
Mfr Part #:

UCC3813DTR-4

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC3813DTR-4 is an AC/DC switching regulator IC designed for offline and DC-to-DC power supplies. It operates at a frequency of 1MHz with a maximum duty cycle of 49%.
✓ Total Stock: 2,006 pcs
$ Price Range: $0.80

UCC3813DTR-4 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
2,006 pcs
2006 pcs On Request 1 On Request On Request 14+ On Request On Request

UCC3813DTR-4 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
Storage Temperature
Supplier Device Package
Tape & Reel
Topology
Voltage

UCC3813DTR-4 Description

Short technical summary and product information.

The Texas Instruments UCC3813DTR-4 is a high-speed, low-power BiCMOS current-mode PWM controller IC. It is designed for use in off-line and DC-to-DC fixed-frequency switching power supplies, requiring minimal external components.

 

This device features an operating voltage range of 8.3V to 12V and can operate at frequencies up to 1MHz. The maximum duty cycle is specified at 49%. It supports multiple topologies including Boost, Buck, Flyback, and Forward configurations, with either output isolation.

 

The UCC3813DTR-4 is housed in an 8-SOIC package, suitable for surface mount applications. Its operating temperature range is -55°C to 150°C (TJ). The control features include frequency control, and it does not have internal switches.

 

This component is part of the UCC3813-x family, offering economy and low power consumption for various power management applications.

UCC3813DTR-4 Quick Information

Product Type: AC/DC Switching Regulator
Canonical Name: UCC3813DTR-4 Current Mode PWM Controller
Subcategory: AC/DC Switching Regulators

UCC3813DTR-4 Compliance

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

UCC3813DTR-4 Estimated Pricing

Qty Low High
1+ $0.80 $0.80

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

UCC3813DTR-4 Features

  • Current mode PWM controller IC.
  • Operates up to 1MHz frequency.
  • Maximum duty cycle of 49%.
  • Supports multiple power supply topologies.
  • Surface mount 8-SOIC package.

UCC3813DTR-4 Applications

  • Used in off-line power supplies.
  • Suitable for DC-to-DC converters.
  • Ideal for low-power applications.
  • Enables fixed-frequency operation.

UCC3813DTR-4 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UCC3813DTR-4?

The operating voltage range is 8.3V to 12V.

What is the maximum duty cycle of the UCC3813DTR-4?

The maximum duty cycle is 49%.

What topologies does the UCC3813DTR-4 support?

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

What is the operating temperature range of the UCC3813DTR-4?

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

What package is the UCC3813DTR-4 available in?

It is available in an 8-SOIC surface-mount package.

Does the UCC3813DTR-4 have internal switches?

No, it does not have internal switches.

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