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UC3842BN AI Analysis:
Specs, Applications & Alternatives

AI summary

UC3842BN product

UC3842BN

Offline Switchers

PWM ControllerPower ManagementOffline Switcher

The UC3842BN is a high-performance current mode PWM controller optimized for off-line and DC-to-DC power supply applications.

Best for

  • Off-line power supplies
  • DC-DC converter designs

Avoid if

  • Applications requiring low-voltage start-up (use UC3843B/45B instead).

Check before use

  • Ensure the 16V start-up threshold is compatible with your input voltage source.

Key specifications

Max Frequency
500 kHz
UVLO On
16 V
Max Duty Cycle
100%

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power Supplies

Datasheet

bcba3c4585f3c0dbc033a5cb00a498c9.pdf

800 KB

Datasheet AI

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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Login required · CAD models billed separately as an add-on

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a fixed-frequency current mode PWM controller IC from STMicroelectronics, designed for efficient power supply control.