UCC3809DTR-2 The Texas Instruments UCC3809DTR-2 is an economy primary side controller for off-line and isolated DC-to-DC power supplies. It operates at up to 1MHz with a 70% maximum duty cycle.
Mfr Part #:

UCC3809DTR-2

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC3809DTR-2 is an economy primary side controller for off-line and isolated DC-to-DC power supplies. It operates at up to 1MHz with a 70% maximum duty cycle.
✓ Total Stock: 4,886 pcs
$ Price Range: $1.26

UCC3809DTR-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
4,886 pcs
4886 pcs On Request 1 On Request On Request 0127+ On Request On Request

UCC3809DTR-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
Tape & Reel
Topology
Voltage

UCC3809DTR-2 Description

Short technical summary and product information.

The UCC3809DTR-2 from Texas Instruments is an integrated circuit designed for off-line and isolated DC-to-DC fixed frequency current mode switching power supplies. It features a user-programmable soft start and maximum duty cycle, an accessible 5V reference, and undervoltage lockout.

 

This device operates at frequencies up to 1MHz and includes a 0.4A source/0.8A sink FET driver. The UCC3809 family is designed for minimal external parts count, making it suitable for applications where board space is a premium. It is available in an 8-pin SOIC package.

 

Key electrical characteristics include a supply voltage range of 8V to 19V and a typical maximum duty cycle of 70%. The operating temperature range is -55°C to 150°C (TJ).

UCC3809DTR-2 Quick Information

Product Type: AC/DC Converters, Offline Switches
Canonical Name: UCC3809-2 Economy Primary Side Controller
Subcategory: Economy Primary Side Controller

UCC3809DTR-2 Compliance

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

UCC3809DTR-2 Estimated Pricing

Qty Low High
1+ $1.26 $1.26

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

UCC3809DTR-2 Features

  • User programmable soft start and duty cycle.
  • Operates at frequencies up to 1MHz.
  • 0.4A source/0.8A sink FET driver.
  • Undervoltage lockout with hysteresis.
  • Accessible 5V reference voltage.

UCC3809DTR-2 Applications

  • Suitable for various power conversion designs.
  • Used in isolated power supply circuits.
  • Applicable in switch-mode power supplies.
  • Ideal for designs requiring frequency control.
  • Utilized in systems needing soft start functionality.

UCC3809DTR-2 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the UCC3809DTR-2?

The supply voltage range for the UCC3809DTR-2 is 8V to 19V.

What is the typical operating frequency of the UCC3809DTR-2?

The typical operating frequency of the UCC3809DTR-2 is 1MHz.

What is the maximum duty cycle of the UCC3809DTR-2?

The maximum duty cycle of the UCC3809DTR-2 is 70%.

What control features does the UCC3809DTR-2 offer?

The UCC3809DTR-2 offers Frequency Control and Soft Start features.

What topologies does the UCC3809DTR-2 support?

The UCC3809DTR-2 supports Boost, Buck, Flyback, and Forward topologies.

What is the mounting type for the UCC3809DTR-2?

The mounting type for the UCC3809DTR-2 is Surface Mount.

What is the operating temperature range for the UCC3809DTR-2?

The operating temperature range for the UCC3809DTR-2 is -55°C to 150°C (TJ).

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