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UCC28742DBVR The Texas Instruments UCC28742DBVR is a highly integrated, 6-pin offline flyback controller designed for efficient AC-to-DC power supplies. It offers secondary-side regulation with up to 1% output accuracy.
Mfr Part #:

UCC28742DBVR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC28742DBVR is a highly integrated, 6-pin offline flyback controller designed for efficient AC-to-DC power supplies. It offers secondary-side regulation with up to 1% output accuracy.
✓ Total Stock: 1,755 pcs
$ Price Range: $0.31

UCC28742DBVR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,630 pcs
On Request
1630 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
125 pcs
On Request
125 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

UCC28742DBVR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Fault Protection
Features
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Topology
Voltage
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UCC28742DBVR Description

Short technical summary and product information.

The UCC28742DBVR from Texas Instruments is a secondary-side regulated PWM controller for efficient AC-to-DC power supplies. This device features a Flyback topology and operates with a maximum switching frequency of 80kHz.

 

Key electrical specifications include a wide operating voltage range of 9V to 35V and a maximum duty cycle of 99%. It incorporates essential fault protections such as current limiting, overvoltage protection, and short-circuit protection. The controller also offers features like light load efficiency, soft start, and valley switching operation for enhanced performance.

 

Packaged in a compact SOT-23-6 surface-mount case, the UCC28742DBVR is suitable for space-constrained applications. Its operating temperature range is -40°C to 125°C, making it robust for various environmental conditions. The device supports opto-coupled feedback for precise output regulation.

UCC28742DBVR Quick Information

Product Type: AC/DC Switching Regulator
Canonical Name: UCC28742 High-Efficiency Flyback Controller
Subcategory: Offline Flyback Controller

UCC28742DBVR Compliance

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

UCC28742DBVR Estimated Pricing

Qty Low High
1+ $0.31 $0.31

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

UCC28742DBVR Features

  • High-efficiency flyback controller.
  • Up to 1% output regulation accuracy.
  • 80kHz maximum switching frequency.
  • SOT-23-6 surface mount package.
  • Includes fault protection features.

UCC28742DBVR Applications

  • USB Type-C and Power Delivery compatible.
  • Ideal for AC-DC adapter designs.
  • Suitable for isolated power supplies.
  • Used in low-power offline converters.

UCC28742DBVR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UCC28742DBVR?

9V to 35V.

What package does the UCC28742DBVR come in?

SOT-23-6.

What is the operating temperature range?

-40°C to 125°C.

What control mode does the UCC28742DBVR use?

Secondary-side regulation.

What is the maximum switching frequency?

80kHz.

What output regulation accuracy does it offer?

1%.

What fault protections are included?

Current limiting, overvoltage, and short circuit protection.

UCC28742DBVR Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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UCC28742DBVT
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The Texas Instruments UCC28742DBVT is a highly integrated, 6-pin secondary-side regulated PWM controller for efficient AC-to-DC power supplies. It operates as a flyback controller with a maximum switching frequency of 80kHz.
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