UC3845D8TR vs UC3844D8TRG4

This in-depth comparison of the UC3845D8TR and UC3844D8TRG4 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

UC3845D8TR

Texas Instruments

Lifecycle
Active
Stock
7068 PCS
Package
SOIC-8
Series
PMIC - Voltage Regulators - DC DC Switching Controllers
Part B

UC3844D8TRG4

Texas Instruments

Lifecycle
Active
Stock
8237 PCS
Package
SOIC-8
Series
PMIC - Voltage Regulators - DC DC Switching Controllers

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification UC3845D8TR UC3844D8TRG4
Supplier - Texas Instruments
Part Status Active Discontinued at Digi-Key
Output Type Transistor Driver Transistor Driver
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration Positive, Isolation Capable Positive, Isolation Capable
Topology Boost, Buck, Buck-Boost, Flyback, Forward Boost, Buck, Buck-Boost, Flyback, Forward
Number of Outputs 1 1
Output Phases 1 1
Voltage - Supply (Vcc/Vdd) 12V ~ 28V 12V ~ 28V
Frequency - Switching Up to 500kHz Up to 500kHz
Duty Cycle(Max) 48% 48%
Synchronous Rectifier No No
Clock Sync No No
Control Features Frequency Control Frequency Control
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount