UCC38503DW - TI

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

Part No

UCC38503DW
Manufacturer

TI
ChipWorker Part#

CW44494263
Category

Power Management IC
Package

SOIC-20
Description

Power Factor Correction PWM CONTRLR 0.15mA 115kHz 20Pin SOIC
Documentation

Datasheet

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UCC38503DW Specifications

Attribute	Attribute Value

Part Number	UCC38503DW
Manufacturer	TI
ChipWorker Part#	CW44494263
Category	Power Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	SOIC-20
Frequency	200 kHz
Supply Voltage (DC)	18.0V (max)
Number of Outputs	2 Output
Supply Current	4.00 mA
Switching Frequency	100 kHz
Duty Cycle	95 %
Maximum Duty Cycle	100 %
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	9.7V ~ 18V
Supply Voltage (Max)	15 V
Supply Voltage (Min)	10.8 V
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Size-Length	12.8 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 Edition	2015/06/15
ECCN Code	EAR99

Product Description

DESCRIPTION
The UCC2850x family provides all of the control functions necessary for an active power-factor
corrected preregulator and a second-stage dc-to- dc converter. The controller achieves near-unity power factor by shaping the ac input line current waveform to correspond to the ac input-line voltage using average current-mode control. The dc-to-dc converter uses peak current-mode control to perform the step-down power conversion.

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