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UC2841DW

Current Mode PWM Controller 1A 500kHz 18-Pin SOIC Tube

Inventory:3,892

  • 90-day after-sales guarantee
  • 365 Days Quality Guarantee
  • Genuine Product Guarantee
  • 7*24 hours service quarantee

Quick Inquiry

Please submit RFQ for UC2841DW or email to us: Email: [email protected], we will contact you in 12 hours.

Overview of UC2841DW

The UC2841DW is a versatile PWM controller that offers enhanced performance features compared to earlier versions. Designed for efficient operation in forward or flyback power converters, this device is suitable for both low and high voltage input DC to DC converters. Key features include a low-current starting circuit, linear feed-forward for constant volt-second operation, and compatibility with voltage or current mode topologies

Key Features

  • All Control, Driving, Monitoring, and Protection Functions Included
  • Low-current, Off-line Start Circuit
  • Voltage Feed Forward or Current Mode Control
  • Guaranteed Duty Cycle Clamp
  • PWM Latch for Single Pulse per Period
  • Pulse-by-Pulse Current Limiting Plus Shutdown for Over-Current Fault
  • No Start-up or Shutdown Transients
  • Slow Turn-on Both Initially and After Fault Shutdown
  • Shutdown Upon Over- or Under-Voltage Sensing
  • Latch Off or Continuous Retry After Fault
  • PWM Output Switch Usable to 1A Peak Current
  • 1% Reference Accuracy
  • 500kHz Operation
  • 18 Pin DIL Package

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Topology Boost, Buck, Buck boost, Flyback, Forward Control mode Peak current mode
Duty cycle (max) (%) 95 Switching frequency (max) (kHz) 500
Features Error amplifier, Multi-topology, Soft start, Synchronization pin UVLO thresholds on/off (V) 8/7.8
Operating temperature range (°C) -20 to 85 Rating Catalog
Gate drive (typ) (A) 1 Vin (max) (V) 32

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

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    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

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