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UC3845BNG AI Analysis:
Specs, Applications & Alternatives

AI summary

UC3845BNG product

UC3845BNG

DC DC Switching Controllers

PWM ControllerCurrent Modeonsemi

The UC3845BNG is a high-performance current-mode PWM controller from onsemi, optimized for off-line and DC-DC power supply designs.

Best for

  • Flyback converters
  • Boost converters

Avoid if

  • Applications requiring >50% duty cycle

Check before use

  • UVLO thresholds for your specific startup voltage

Key specifications

Max Frequency
500 kHz
Max Duty Cycle
50%
Startup Threshold
8.5 V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
Not Applicable
ECCN
EAR99
HTSUS
8542.39.0001

Application

Power Supply

Datasheet

ac66846e289536be470a08bb25692431.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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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 designed for driving power MOSFETs in switching power supplies.