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Texas Instruments LM5023 | Demoboard PMP4408

Offline AC/DC 120W Multi-Output Flyback Power Supply Reference Design

Overview

TopologyFlyback Converter
Input voltage176-264 V
Output 142 V / 2 A
Output 224 V / 0.6 A
IC revisionA

Description

The PMP4408 is a universal AC input, 120W flyback converter reference design. The LM5023 Quasi Resonant Flyback converter was chosen to get 2 high-efficiency isolated outputs. Additionally a downstream Buck converter, the TPS5402 enables 2 high-efficiency non-isolated outputs. The QR Flyback design implements Valley switching for high-efficiency and full protection features such as output short circuit and output overvoltage.

Features

  • Good cross regulation
  • Valley switching for high efficiency
  • Output OVP, OCP and Short Circuit Protection
  • Input brown-out
  • Average efficiency is high
  • Size 92mm(L) x 95mm(W) x 30mm(H)

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesVINVOut1
(V)
IOut1
(A)
VOut2
(V)
IOut2
(A)
Vaux
(V)
fswitch
(kHz)
L
(µH)
NPRI : NSEC : NAUXVT
(V (AC))
L
(mm)
W
(mm)
H
(mm)
MountSize Samples
750342275SPEC
4 files Active i| Production is active. Expected lifetime: >10 years.MID-OLTI Offline Flyback Transformers for Texas Instruments 180 - 264 V (AC) 42 2 24 1.6 15 80 240 6.67:1.67:1:0.5 3750 36.5 44 29 THT ERL35
Order Code Data­sheet Simu­lation
750342275SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesVINVOut1
(V)
IOut1
(A)
VOut2
(V)
IOut2
(A)
Vaux
(V)
fswitch
(kHz)
L
(µH)
NPRI : NSEC : NAUXVT
(V (AC))
L
(mm)
W
(mm)
H
(mm)
MountSize Samples