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reference designUCC28740 | Demoboard PMP4405

Texas Instruments UCC28740 | Demoboard PMP4405

AC Input, Dual Output Power Supply Reference Design

Overview

TopologyFlyback Converter
Input voltage85-264 V
Output 126 V / 0.3 A
IC revisionE1

Description

The PMP4405 reference design uses the UCC28740 Flyback controller with valley-switching controller to generate dual DC output 5V/2A and 26V/0.3A from a universal AC input. The design is suited for auxiliary power for industrial applications and appliances. The design is fully tested and compliant with EMI regulations.

Features

  • Two isolated rails delivering 18W power
  • Valley switching for high efficiency
  • Output OVP,OCP and SCP protoction
  • Single layer board for low cost
  • SSR control with good cross-regulation
  • EMI compliance

Typical applications

  • Industrial applications and appliances

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
ISAT,10%(A)
fres(MHz)
Version
IR(A)
L(µH)
RDC max.(Ω)
VR(V (AC))
VT(V (AC))
Material
L(mm)
W(mm)
H(mm)
Mount
SamplesAvailability & Sample
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7447462010
SPECWE-TI Radial Leaded Wire Wound Inductor, 8.5 A, 140 MHz
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Saturation Current @ 10%8.5 A
Self Resonant Frequency140 MHz
VersionHeat Shrinking Tube 
Rated Current8.5 A
Inductance1 µH
DC Resistance0.015 Ω
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Length6 mm
Width6 mm
Height8.5 mm
MountTHT 
–Check availability
744862056
SPECWE-TFC Common Mode Power Line Choke, –, –
Simu­lation
Availability
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Downloads10 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TFC Common Mode Power Line Choke
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Rated Current0.6 A
Inductance5600 µH
DC Resistance0.83 Ω
Rated Voltage300 V (AC)
Insulation Test Voltage2500 V (AC)
MaterialMnZn 
Length17 mm
Width11.5 mm
Height17 mm
MountTHT 
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750342288
SPECFlyback Transformer, –, –
Simu­lation
Availability
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Downloads4 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product series Flyback Transformer
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Inductance480 µH
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Insulation Test Voltage3750 V (AC)
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Length23 mm
Width22 mm
Height17.53 mm
MountTHT 
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