UCC28740DR vs UCC28221D

This in-depth comparison of the UCC28740DR and UCC28221D 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. For more information, refer to their datasheets or contact our sales team for assistance in selecting the right part for your design.
Specifications
UCC28740DR

+BOM

5483 PCS | Texas Instruments
UCC28221D

+BOM

5296 PCS | Unitrode
Package SOIC-7 SOIC-16
Description IC OFFLINE SWITCH FLYBACK 7SOIC IC OFFLINE SWITCH FLYBACK 16SOIC
ProductStatus Active Active
OutputIsolation Isolated Isolated
InternalSwitch(s) No No
Topology Flyback Flyback
Voltage-StartUp 21 V 13 V
Voltage-Supply(Vcc/Vdd) 9V ~ 35V 8.4V ~ 14.5V
DutyCycle - 75%
Frequency-Switching 170Hz ~ 100kHz 2MHz
FaultProtection Current Limiting, Over Voltage Current Limiting, Over Voltage
ControlFeatures - Soft Start
OperatingTemperature -40°C ~ 125°C (TJ) -40°C ~ 105°C (TA)
Comparison Model : UCC28740DR UCC28221D

+BOM RFQ