IC manufacturers Texas Instruments

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Texas Instruments LM5023MM | Demoboard PMP10035

Offline AC/DC 75W 2-Switch Quasi-Resonant Flyback Converter Reference Design

Overview

TopologyFlyback Converter
Input voltage85-265 V
Output 119.5 V / 3.84 A
IC revisionC

Description

This design uses the LM5023 flyback controller for the 2-Switch Quasi-Resonant Flyback Topology. It generates an isolated output (19.5V@3.84A) from an universal input (85VAC - 265VAC).

Features

  • Universal input voltage
  • 2-Switch Quasi-Resonant Flyback Topology

Products

Order Code Data­sheet Simu­lation Downloads Product seriesVINVOut1
(V)
IOut1
(A)
Vaux
(V)
fswitch
(kHz)
NPRI : NSEC : NAUXISAT
(A)
SizeIR
(A)
L
(µH)
RDC max.
(mΩ)
VR
(V (AC))
VT
(V (AC))
MaterialL
(mm)
W
(mm)
H
(mm)
Mount Samples
7508113417SPEC
5 files MID-OLTI Offline Flyback Transformers for Texas Instruments 64 - 265 V (AC) 19 3.85 11 30 - 130 3.25:1:0.583 9.1 ER28/17 140 3750 32 39 26 THT
744824310SPEC
9 files WE-CMB Common Mode Power Line Choke L 3 10000 105 250 1500 MnZn 27.5 18.5 33 THT
Order Code Data­sheet Simu­lation
7508113417SPEC
744824310SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesVINVOut1
(V)
IOut1
(A)
Vaux
(V)
fswitch
(kHz)
NPRI : NSEC : NAUXISAT
(A)
SizeIR
(A)
L
(µH)
RDC max.
(mΩ)
VR
(V (AC))
VT
(V (AC))
MaterialL
(mm)
W
(mm)
H
(mm)
Mount Samples