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reference designUCC28065 | Demoboard PMP23488

Texas Instruments UCC28065 | Demoboard PMP23488

540W flat screen tv power reference design

Overview

TopologyPower Factor Correction
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

More information

Parts approved by Texas Instruments

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Order Code
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Product series
Application
C
Safety Class
dV/dt(V/µs)
DF @ 1 kHz(%)
RISO
Pitch(mm)
Packaging
IR(A)
L(µH)
RDC max.(mΩ)
VR(V (AC))
VT(V (AC))
Material
L(mm)
W(mm)
H(mm)
Mount
RDC(mΩ)
SamplesAvailability & Sample
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890324023015
SPECWCAP-FTX2 Film Capacitors, Across the mains, 47 nF
Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-FTX2 Film Capacitors
ApplicationAcross the mains 
Capacitance47 nF
Safety ClassX2 
Rate of Voltage Rise300 V/µs
Dissipation Factor0.1 %
Insulation Resistance30 GΩ
Pitch10 mm
PackagingBulk 
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Rated Voltage275 V (AC)
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Length13 mm
Width4.5 mm
Height9.5 mm
MountBoxed THT 
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744710215
SPECWE-SD Rod Core Choke, –, –
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-SD Rod Core Choke
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Rated Current15 A
Inductance2 µH
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MaterialNiZn 
Length25.7 mm
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MountTHT 
DC Resistance1.7 mΩ
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7448680120
SPECWE-LPCC Common Mode Power Line Choke, –, –
Simu­lation
Availability
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Downloads10 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-LPCC Common Mode Power Line Choke
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Rated Current12 A
Inductance330 µH
DC Resistance6 mΩ
Rated Voltage250 V (AC)
Insulation Test Voltage1500 V (AC)
MaterialMnZn 
Length25 mm
Width27.5 mm
Height10 mm
MountTHT 
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