UC3844N-TUDI AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

UC3844N-TUDI product

UC3844N-TUDI

DC DC Switching Controllers

UC3844current-mode PWMDIP-8offline converterDC-DC controller50% duty cycle

UC3844N-TUDI is a DIP-8 current-mode PWM controller for offline and DC-DC converter designs requiring a maximum 50% duty cycle.

Best for

  • Offline current-mode converter control
  • DC-DC converters with duty cycle at or below 50%
  • Through-hole DIP-8 power-control designs

Avoid if

  • A controller with duty cycle above 50% is required
  • The available startup rail cannot reach approximately 16 V

Check before use

  • VCC startup and hold-up voltage
  • Current-sense resistor and noise filtering
  • Oscillator RT/CT selection
  • Control-loop compensation

Key specifications

PWM control method
Current mode
Maximum duty cycle
50% maximum
UVLO thresholds
16.0 V on / 10.0 V off typical
Reference output
5.0 V typical
Package
DIP-8

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Offline power convertersDC-DC convertersIndustrial power control

CAD Models

Download ECAD models for UC3844N-TUDI: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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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

UC3844N-TUDI is a fixed-frequency current-mode PWM controller from TD in an 8-pin DIP package. It integrates an oscillator, 5 V reference, error amplifier, current-sense comparator, PWM latch, undervoltage lockout, and MOSFET gate-drive output.