UCC28740DR vs UCC28085DG4

This in-depth comparison of the UCC28740DR and UCC28085DG4 provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

UCC28740DR

Texas Instruments

Lifecycle: Active
Stock: 5483 PCS
Package: SOIC-7
Series: PMIC - AC DC Converters, Offline Switchers

+BOM RFQ

Part B

UCC28085DG4

Unitrode

Lifecycle: Active
Stock: 3651 PCS
Package: SOIC-8
Series: PMIC - AC DC Converters, Offline Switchers

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	UCC28740DR	UCC28085DG4
Part Status	Active	Active
Output Isolation	Isolated	Isolated
Internal Switch(s)	No	No
Topology	Flyback	Push-Pull
Voltage - Start Up	21 V	12.5 V
Voltage - Supply (Vcc/Vdd)	9V ~ 35V	8.3V ~ 15V
Duty Cycle	-	49%
Frequency - Switching	170Hz ~ 100kHz	50kHz ~ 1MHz
Fault Protection	Current Limiting, Over Voltage	Current Limiting
Control Features	-	Frequency Control
Operating Temperature	-40°C ~ 125°C (TJ)	-40°C ~ 85°C (TA)

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