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TK83854 Datasheet (PDF) - TOKO, Inc

TK83854 Datasheet PDF - TOKO, Inc
Part # TK83854
Download  TK83854 Download

File Size   109.19 Kbytes
Page   12 Pages
Manufacturer  TOKO [TOKO, Inc]
Direct Link  http://www.toko.com
Logo TOKO - TOKO, Inc
Description HIGH POWER FACTOR PREREGULATOR

TK83854 Datasheet (PDF)

Go To PDF Page Download Datasheet
TK83854 Datasheet PDF - TOKO, Inc

Part # TK83854
Download  TK83854 Click to download

File Size   109.19 Kbytes
Page   12 Pages
Manufacturer  TOKO [TOKO, Inc]
Direct Link  http://www.toko.com
Logo TOKO - TOKO, Inc
Description HIGH POWER FACTOR PREREGULATOR

TK83854 Datasheet (HTML) - TOKO, Inc

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TK83854 Product details

DESCRIPTION
The TK83854 family of integrated circuits provide active power factor correction for power systems that otherwise would draw non-sinusoidal current from sinusoidal power lines. These parts implement all the control functions necessary to build a power supply preregulator capable of optimally using available power-line current while minimizing line-current distortion. To do this, the TK83854 contains a voltage amplifier, a precision analog multiplier/divider, a current amplifier, and a fixed-frequency PWM. In addition, the TK83854 contains a power MOSFET gate driver, 7.5 V reference, line anticipator, load-enable comparator, low supply detector, and overcurrent comparator.

FEATURES
■ Control Boost PWM to 0.99 Power Factor
■ Limit Line Current Distortion to < 5%
■ Worldwide Operation without Switches
■ Feed-Forward Line Regulation
■ Low Noise Sensitivity
■ Pin Compatible with UC2854, and UC3854 (Licensed Source)
■ Low Start-Up Supply Current
■ Fixed-Frequency PWM Drive
■ Low-Offset Analog Multiplier/Divider
■ 1 Amp Totem-Pole Gate Driver
■ Precision Voltage Reference




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