UC3854DW ,Power Management IC - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Popularity Score

195 points

Part No

UC3854DW
Manufacturer

TI
ChipWorker Part#

CW10193077
Category

Power Management IC
Package

SOIC-16
Description

Power Factor Correction PREREGUL 1.5mA 118kHz 16Pin SOIC Tube
Documentation

Datasheet
Ships from

Moscow
Наличие

8 pcs In Stock
Estimated Price

$ 4.03

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UC3854DW Specifications

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Attribute	Attribute Value

Part Number	UC3854DW
Manufacturer	TI
ChipWorker Part#	CW10193077
Category	Power Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Frequency	200 kHz
Supply Voltage (DC)	15.0V (min)
Number of Outputs	1 Output
Input Voltage (DC)	18.0 V
Output Voltage	5.00 V, 5.80 V (max)
Output Current	1 A
Number of Positions	16 Position
Input Current	10.0 mA
Power Dissipation	1.00 W
Switching Frequency	200 kHz
Duty Cycle	95 %
Maximum Duty Cycle	95 %
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	14.5V ~ 30V
Supply Voltage (Max)	35 V
Supply Voltage (Min)	15 V
Input Voltage	18 V
	expand all
Size-Length	10.28 mm
Size-Width	7.52 mm
Size-Height	2.35 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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Product Description

The UC3854DW is a high Power Factor Preregulator 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, it contains a voltage amplifier, an analog multiplier/divider, a current amplifier and a fixed-frequency PWM. In addition, it contains a power MOSFET compatible gate driver, 7.5V reference, line anticipator, load-enable comparator, low-supply detector and over-current comparator. It 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.
Limit line current distortion to <5%
World-wide operation without switches
Feed-forward line regulation
Average current-mode control
Low noise sensitivity
Low startup supply current
Fixed-frequency PWM drive
Low-offset analog multiplier/divider
1A Totem-pole gate driver
Precision voltage reference
Green product and no Sb/Br

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