Attention !!! We are operating and shipping all Orders. But due to COVID-19 related restrictions, limited staff and reduced working time dispatches may be delayed.
Thanks for your understanding & Support. Be kind and stay safe!!
  • UC3854 High Power Factor Preregulator

Product Images are shown for illustrative purposes only and may differ from actual product.

UC3854 High Power Factor Preregulator

  • Stock: Out Of Stock
  • SKU: 0819 | DAA470
  • Rs. 182.90 (inc GST)
    Rs.155.00 + GST

    Qty :

GST Invoice on all Purchase. So you will be eligible to take input tax credit.

IF component not in Stock or require more quantity or want to buy in bulk e-mail us your requirements on: dnatechindia "at" gmail.com.

Shipping : Due to Covid-19 situation delivery will be affected. Delivery period due to covid-19 issue will be from 4 - 12 days depending upon your location.

UC3854 High Power Factor Preregulator

The UC3854 provides active power factor correction for power systems that otherwise would draw non-sinusoidal current from sinusoidal power lines. This device implements all the control functions necessary to build a power supply capable of optimally using available power-line current while minimizing line-current distortion. To do this, the UC3854 contains a voltage amplifier, an analog multiplier/divider, a current amplifier, and a fixed-frequency PWM. In addition, the UC3854 contains a power MOSFET compatible gate driver, 7.5V reference, line anticipator, load-enable comparator, low-supply detector, and over-current comparator.

The UC3854 uses average current-mode control to accomplish fixed frequency current control with stability and low distortion. Unlike peak current-mode, average current control accurately maintains sinusoidal line current without slope compensation and with minimal response to noise transients. The UC3854’s high reference voltage and high oscillator amplitude minimize noise sensitivity while fast PWM elements permit chopping frequencies above 200kHz. The UC3854 can be used in single and three phase systems with line voltages that vary from 75 to 275 volts and line frequencies across the 50Hz to 400Hz range. To reduce the burden on the circuitry that supplies power to this device, the UC3854 features low starting supply current. These devices are available packaged in 16-pin plastic and ceramic dual in-line packages, and a variety of surface-mount packages.

Features of UC3854

  • Control Boost PWM to 0.99 Power Factor

  • Limit Line Current Distortion To <5%

  • World-Wide Operation Without Switches

  • Feed-Forward Line Regulation

  • Average Current-Mode Control

  • Low Noise Sensitivity

  • Low Start-Up Supply Current

  • Fixed-Frequency PWM Drive

  • Low-Offset Analog Multiplier/Divider

  • 1A Totem-Pole Gate Driver

  • Precision Voltage Reference

Reviews (0)

Write a review

Note: HTML is not translated!
    Bad           Good

NEW Products

Product Page : New Products

Xl1509-5.0 E1 Buck DC to DC Converter IC  (SOP8L Package)

Xl1509-5.0 E1 Buck DC to DC Converter IC (SOP8L Package)

Xl1509-5.0 E1 Buck DC to DC Converter IC  Xl1509-5.0 E1 5 Volts (Vout) 2 Ampere 150KHz 40 Volt..

Rs.36.34 (inc GST)
Rs.30.80 + GST

SKU: 3183 | DAC736
Stock: 80
74HC573 Octal D-type transparent latch (SMD SO20 Package, 74573)

74HC573 Octal D-type transparent latch (SMD SO20 Package, 74573)

74HC573D Octal D-type transparent latch (SMD SO20 Package)74573, 74HC573D Octal D-type transpar..

Rs.31.86 (inc GST)
Rs.27.00 + GST

SKU: 3182 | DAD095
Stock: 25
LNK626PG IC AC-DC Offline Switcher IC

LNK626PG IC AC-DC Offline Switcher IC

LNK626PG IC AC-DC Offline Switcher IC LNK626PG IC Energy efficient off line switcher ICThe LNK626PG..

Rs.49.09 (inc GST)
Rs.41.60 + GST

SKU: 3165 | DAD085
Stock: 19
6.8uh (6R8) CDRH127 SMD Inductor

6.8uh (6R8) CDRH127 SMD Inductor

CDRH127 6.8uh SMD Power InductorCD127 6.8uh SMD Power Inductor  (2R2)This 6.8uh SMD Power Induc..

Rs.29.50 (inc GST)
Rs.25.00 + GST

SKU: 3116 | DAE902
Stock: 25

Have You Seen

Product Page : Have You Seen

ATMEGA2560-16U SMD Microcontroller IC

ATMEGA2560-16U SMD Microcontroller IC

ATMEGA2560-16U SMD MicrocontrollerAtmega2560-16AU SMD Microcontroller ICATMEGA2560-16AU is the same ..

Rs.1,150.50 (inc GST)
Rs.975.00 + GST

SKU: 0872 | DAB683
Stock: 40
Arduino Mega 2560

Arduino Mega 2560

Arduino MEGA2560The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 ..

Rs.1,292.10 (inc GST)
Rs.1,095.00 + GST

SKU: 0368 | DAB265
Stock: 0
Meanwell SMPS LRS-200-12

Meanwell SMPS LRS-200-12

Meanwell LRS-200-12 Power Supply12 Volts, 200 Watt Single Output Switching Power Supply from Meanwel..

Rs.1,961.30 (inc GST)
Rs.1,662.12 + GST

SKU: 2499 | DAC663
Stock: 4
HLK-10M12 AC to DC 10 Watt 12 Volts Module

HLK-10M12 AC to DC 10 Watt 12 Volts Module

 HLK-10M12 Power Supply Module HLK-10M12 12 Volts, 10 watt PCB Mounting isolated Power Supply ..

Rs.354.00 (inc GST)
Rs.300.00 + GST

SKU: 2196 | DAB769
Stock: 0

Related Products

UC3710 High Current FET Driver

UC3710 High Current FET Driver

UC3710 High Current FET DriverThe UC3710 family of FET drivers is made with a high-speed Schottky pr..

Rs.602.98 (inc GST)
Rs.511.00 + GST

SKU: 0844 | DAA467
Stock: 7