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UC2854ADWTRG4

  • Available: 10

Reference Price(In US Dollars)

QtyUnit PriceExt.Price
1+US $3.48750US $3.49
10+US $3.13875US $31.39
30+US $2.44125US $73.24
100+US $2.00531US $200.53
500+US $1.91813US $959.06
1000+US $1.74375US $1743.75

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Description
UC2854ADWTRG4
The UC2854ADWTRG4 is an enhanced version of the UC2854 that is pin compatible.
These products, like the UC2854, provide all of the functions required for active power factor-corrected preregulators. By shaping the ac input line current waveform to correspond to the ac input line voltage, the controller achieves near unity power factor. It comes in 16-pin N (PDIP), DW (SOIC Wide), J (CDIP), and 20-pin Q (PLCC) packages. UC2854ADWTRG4
Features
•  Controls Boost PWM to Near-Unity Power Factor
•  Limits Line Current Distortion To <3%
•  World-Wide Operation Without Switches
•  Accurate Power Limiting
•  Fixed-Frequency Average Current-Mode Control
•  High Bandwidth (5 MHz), Low-Offset Current Amplifier
•  Integrated Current- and Voltage-Amplifier Output Clamps
•  Multiplier Improvements: Linearity, 500 mV VAC Offset (Eliminates External Resistor), 0 V to 5 V Multout Common-Mode Range
•  VREF GOOD Comparator
•  Faster and Improved Accuracy ENABLE Comparator
•  UVLO Options (16 V/10 V or 10.5 V/10 V)
•  300-|iA Start-Up Supply CurrentUC2854ADWTRG4 Applications
• Consumer Electronics
• Lighting
• Industrial Power Supplies
• IEC6100-3-2 Compliant Supplies Less Than 300 W
• PC Power
Alternatives

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.

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