UCC28881D vs UCC28740DR

This in-depth comparison of the UCC28881D and UCC28740DR 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

ISO9001 Quality Control ISO45001 ISO14001 100% Genuine
Part A

UCC28881D

Texas Instruments

Lifecycle
Active
Stock
2641 PCS
Package
SOIC-7
Series
PMIC - AC DC Converters, Offline Switchers
+BOM RFQ
Part B

UCC28740DR

Texas Instruments

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

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification UCC28881D UCC28740DR
Part Status Active Active
Output Isolation Non-Isolated Isolated
Internal Switch(s) Yes No
Voltage - Breakdown 700V -
Topology Buck, Buck-Boost, Flyback Flyback
Voltage - Start Up 3.9 V 21 V
Voltage - Supply (Vcc/Vdd) 5V 9V ~ 35V
Duty Cycle 55% -
Frequency - Switching 62kHz 170Hz ~ 100kHz
Power (Watts) 4.5 W -
Fault Protection Current Limiting, Over Load, Over Temperature, Short Circuit Current Limiting, Over Voltage
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
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