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reference designUCC256302 | Demoboard PMP40379

Texas Instruments UCC256302 | Demoboard PMP40379

500-W, single stage LLC power supply reference design for audio amplifier

Overview

TopologyLLC Resonant Converter
Input voltage100-120 V
Output 142 V / 12 A
Output 2-42 V / 12 A

Description

This single-stage LLC converter reference design illustrates how to convert AC input voltage (100-120 Vac and 200-240 Vac) to isolated ±42-V DC output with the UCC256302 resonant controller. The design has a regulated ±42-V output that can handle up to 6 A of continuous output current and 12 A of peak current for 100 ms.

Features

  • 100–120-Vac or 200–240-Vac input range operation without front-end PFC
  • Provides ±42-V at 6-A continuous/12-A peak output current for audio amplifier
  • More than 95% peak efficiency and less than 500-mW standby power consumption at 230-Vac

More information

Products

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Order Code
Data­sheet
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Status
Product series
Application
C
Safety Class
dV/dt(V/µs)
DF @ 1 kHz(%)
RISO
Pitch(mm)
Packaging
IR(A)
L(mH)
RDC max.(mΩ)
VR(V (AC))
VT(V (AC))
Material
L(mm)
W(mm)
H(mm)
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SamplesAvailability & Sample
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890324025039CS
SPECWCAP-FTX2 Film Capacitors, Across the mains, 470 nF
Simu­lation
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-FTX2 Film Capacitors
ApplicationAcross the mains 
Capacitance470 nF
Safety ClassX2 
Rate of Voltage Rise220 V/µs
Dissipation Factor0.1 %
Insulation Resistance21.28 GΩ
Pitch15 mm
PackagingCarton 
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Rated Voltage275 V (AC)
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Length18 mm
Width8 mm
Height14 mm
MountBoxed THT 
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7448051012
SPECWE-CMBNC Common Mode Power Line Choke Nanocrystalline, –, –
Simu­lation
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Downloads11 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-CMBNC Common Mode Power Line Choke Nanocrystalline
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Rated Current10 A
Inductance12 mH
DC Resistance15 mΩ
Rated Voltage300 V (AC)
Insulation Test Voltage2100 V (AC)
MaterialNanocrystalline 
Length34 mm
Width23 mm
Height34 mm
MountTHT 
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750343844
SPECLLC Transformer, –, –
Simu­lation–
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Status Activei| Production is active. Expected lifetime: >10 years.
Product series LLC Transformer
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