UC3846DW vs UC3843D8TRG4

This in-depth comparison of the UC3846DW and UC3843D8TRG4 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

UC3846DW

Texas Instruments

Lifecycle
Active
Stock
5590 PCS
Package
SOIC-16
Series
PMIC - Voltage Regulators - DC DC Switching Controllers
+BOM RFQ
Part B

UC3843D8TRG4

Texas Instruments

Lifecycle
Active
Stock
4279 PCS
Package
SOIC-8
Series
PMIC - Voltage Regulators - DC DC Switching Controllers
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification UC3846DW UC3843D8TRG4
Supplier - Texas Instruments
Part Status Active Discontinued at Digi-Key
Output Type Transistor Driver Transistor Driver
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration Positive Positive, Isolation Capable
Topology Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull Boost, Buck, Buck-Boost, Flyback, Forward
Number of Outputs 2 1
Output Phases 1 1
Voltage - Supply (Vcc/Vdd) 6.95V ~ 40V 12V ~ 28V
Frequency - Switching 500kHz Up to 500kHz
Duty Cycle(Max) 50% 97%
Synchronous Rectifier Yes No
Clock Sync Yes No
Control Features Current Limit, Enable, Frequency Control, Soft Start Frequency Control
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount
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