UCC28740DR vs UCC28503DWTR

This in-depth comparison of the UCC28740DR and UCC28503DWTR 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

UCC28503DWTR

Texas Instruments

Lifecycle
Active
Stock
3269 PCS
Package
SOIC-20
Series
PMIC - PFC (Power Factor Correction)
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification UCC28740DR UCC28503DWTR
Part Status Active Obsolete
Mode - Average Current
Frequency - Switching 170Hz ~ 100kHz 80kHz ~ 120kHz
Current - Startup - 150 µA
Voltage - Supply - 9.7V ~ 18V
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 85°C
Mounting Type - Surface Mount
Output Isolation Isolated -
Internal Switch(s) No -
Topology Flyback -
Voltage - Start Up 21 V -
Voltage - Supply (Vcc/Vdd) 9V ~ 35V -
Fault Protection Current Limiting, Over Voltage -
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