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Texas Instruments UCC256610 | Demoboard PMP23488

540W flat screen tv power reference design

Overview

TopologyLLC Resonant Converter
IC revisionA

Description

This reference design provides the information for a flat screen TV power design with a height limitation of 10mm. The design uses an interleave transition- mode (TM) power factor correction (PFC) for the main board, and two separate LLC resonant daughter boards which can be changed and were designed based on the planar transformer. The typical capability of the reference design is 300W, and the peak capability is 540W.

Features

Full TV design including interleave CrM PFC, two LLCs for backlight and system power designPlanar transformer design in LLC stagesSlim power design with 10mm heightDaughter boards design for LLC stages: check each module independently before system assembly<150mW no load standby power, and <300mW input power with 165mW output powerPrimary switch device by GaN for high frequency capabilityNo load condition without burst mode to eliminate audible noise

Typical applications

More information

Parts approved by Texas Instruments

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Order Code
Data­sheet
Simu­lation
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Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
Q
DF(%)
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
SamplesAvailability & Sample
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SPECWCAP-CSGP MLCCs 50 V(DC), 150 pF, ±5%
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Capacitance150 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0402 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 
Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1 mm
Width0.5 mm
Height0.5 mm
Pad Dimension0.25 mm
Packaging7" Tape & Reel 
Check availability
SPECWCAP-CSGP MLCCs 50 V(DC), 150 pF, ±5%
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Capacitance150 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Q-Factor1000 
Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
Check availability
SPECWCAP-CSGP MLCCs 16 V(DC), 10 nF, ±10%
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Capacitance10 nF
Capacitance±10% 
Rated Voltage16 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor3.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
Check availability
SPECWCAP-CSGP MLCCs 50 V(DC), 4.7 µF, ±10%
Simu­lation
Availability
Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Capacitance4.7 µF
Capacitance±10% 
Rated Voltage50 V (DC)
Size1206 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor10 %
Insulation Resistance0.02 GΩ
Ceramic TypeX7R Class II 
Length3.2 mm
Width1.6 mm
Height1.6 mm
Pad Dimension0.5 mm
Packaging7" Tape & Reel 
Check availability