Monday, December 10, 2012

ucc25600.pdf download Texas Instruments TI pdf datasheet

?Variable Switching Frequency Control  DESCRIPTION 
?Programmable Minimum Switching Frequency With 4% Accuracy (3% accuracy at temperature range: -20� to 105�) ?Programmable Maximum Switching Frequency ?Programmable Dead Time for Best Efficiency  The UCC25600 high performance resonant mode controller is designed for dc-to-dc applications utilizing resonant topologies, especially the LLC half bridge resonant converter. This highly integrated controller implements frequency modulation control and complete system functions in only an 8-pin 
?Programmable Soft-Start Time  package. Switching to the UCC25600 will greatly 
?Easy ON/OFF Control ?Over-Current Protection ?Over-Temperature Protection  simplify the system design, layout and improve time to market, all at a price point lower than competitive 16-pin device offerings. 
?Bias Voltage UVLO and OVP ?Integrated Gate Driver With 0.4-A Source and 0.8-A Sink Capability ?Operating Temperature Range: ?0� to 125� ?SOIC 8-Pin Package  The internal oscillator supports the switching frequencies from 40 kHz to 350 kHz. This high accuracy oscillator realizes the minimum switching frequency limiting with 4% tolerance, allowing the designer to avoid over design" of the power stage and
programmable dead time enables zero-voltage 
APPLICATIONS  switching with minimum magnetizing current. This will 
?100-W to 1-kW Power Supplies ?LCD, Plasma and DLP?TVs ?Adaptors, Computing and ATX Power Supplies  maximize system efficiency across a variety of applications. The programmable soft-start timer maximizes design flexibility demanded by the varied requirements of end equipments utilizing a half bridge 
?Home Audio Systems ?Electronic Lighting Ballasts  topology. By incorporating 0.4-A source and 0.8-A sink driving capability, a low cost, reliable gate driver transformer is a real option. 
The UCC25600 delivers complete system protection 
functions including over current, UVLO, bias supply 
OVP and over temperature protection. 

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DatasheetDoc-Texas Instruments TI pdf datasheet download


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