UCC29950DR - TI

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

Part No

UCC29950DR
Manufacturer

TI
ChipWorker Part#

CW18024000
Category

DC to DC Converter
Package

SOIC-16
Description

Power Factor Correction PWM CONTRLR 8mA 87kHz to 109kHz 16Pin SOIC T/R
Documentation

Datasheet

UCC29950DR Global Supplier

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UCC29950DR Specifications

Attribute	Attribute Value

Part Number	UCC29950DR
Manufacturer	TI
ChipWorker Part#	CW18024000
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Switching Frequency	87kHz ~ 109kHz
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	11V ~ 18V
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The UCC29950 provides all the control functionality for an AC-to-DC converter with a CCM boost Power Factor Correction (PFC) stage followed by an LLC converter stage. The controller is optimized to allow ease of use.
Proprietary CCM PFC algorithms enable the system to achieve high efficiency, smaller converter size with high power factor. The integrated LLC controller enables a high-efficiency DC-to-DC conversion stage utilizing soft switching for low EMI noise. Integration of PFC control and LLC control in a combo controller allows the control algorithms to take advantage of information from both stages.
The controller includes a control circuit for start-up using a Depletion Mode MOSFET with internal device power management that minimizes external component requirements and helps lower system implementation costs.
To further reduce the standby power an X-Cap discharge circuit is integrated. The UCC29950 implements a complete suite of system protection functions, including AC line brownout, PFC bus under voltage PFC and LLC, over current and thermal shutdown.

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