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Texas Instruments LM5023 | Demoboard PMP8655

Low Standby Power Quasi-Resonant Isolated Flyback 90 to 265VACin 24V@0.7A Reference Design

Overview

TopologyFlyback Converter
Input voltage90-265 V
Output 124 V / 0.67 A
Output 23.3 V / 0.05 A
IC revisionD

Description

The PMP8655 reference design uses the LM5023 quasi-resonant flyback controller to generate 24V@0.7A output from an universal input. Particular attention to light load efficiency resulted in more than 82% efficiency for 1W output power and 90VAC input. In addition, the valley switching of the LM5023 allows this design to achieve a maximum efficiency of 88%.

Products

Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
IR(A)
L(mH)
RDC max.(mΩ)
VR(V (AC))
VT(V (AC))
Material
L(mm)
W(mm)
H(mm)
Mount
Samples
WE-CMB Common Mode Power Line Choke, 1 A, 10 mH
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Rated Current1 A
Inductance10 mH
DC Resistance360 mΩ
Rated Voltage250 V (AC)
Insulation Test Voltage1500 V (AC)
MaterialMnZn 
Length17.5 mm
Width13 mm
Height22 mm
MountTHT 
750314149
Flyback Transformer, –, –
Simu­lation
Downloads
Status Activei| Production is active. Expected lifetime: >10 years.
Product series Flyback Transformer