UC3842BN vs UC3846NG4

This in-depth comparison of the UC3842BN and UC3846NG4 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

UC3842BN

onsemi

Lifecycle: Active
Stock: 2199 PCS
Package: DIP-8
Series: PMIC - Voltage Regulators - DC DC Switching Controllers

+BOM RFQ

Part B

UC3846NG4

Texas Instruments

Lifecycle: Active
Stock: 3570 PCS
Package: DIP-16
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	UC3842BN	UC3846NG4
Supplier	-	Texas Instruments
Part Status	Obsolete	Discontinued at Digi-Key
Output Type	Transistor Driver	Transistor Driver
Function	Step-Up, Step-Up/Step-Down	Step-Up, Step-Up/Step-Down
Output Configuration	Positive, Isolation Capable	Positive
Topology	Boost, Flyback	Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull
Number of Outputs	1	2
Output Phases	1	1
Voltage - Supply (Vcc/Vdd)	10V ~ 30V	6.95V ~ 40V
Frequency - Switching	Up to 500kHz	500kHz
Duty Cycle(Max)	96%	50%
Synchronous Rectifier	No	Yes
Clock Sync	No	Yes
Control Features	Frequency Control	Current Limit, Enable, Frequency Control, Soft Start
Operating Temperature	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Mounting Type	Through Hole	Through Hole

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