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reference designLM5022-Q1 | Demoboard PMP21783

Texas Instruments LM5022-Q1 | Demoboard PMP21783

60-W, Ultra-wide range power supply reference design

Overview

TopologyFlyback Converter
Input voltage120-375 V
Output 112 V / 3.5 A
IC revisionC

Description

This reference design provides a 12-Vdc, 5-Vdc, and 3.3-Vdc output from an ultra-wide range of both AC and DC inputs. A universal 85 to 265-Vac input can be applied to the input of the quasi-resonant flyback. For DC inputs ranging from 24 to 150-Vdc, a boost creates a 150-V bus voltage that is fed to the QR flyback. If the input is 150 to 250-Vdc, the boost does not switch to improve efficiency while still powering the flyback and other down stream converters.

Features

  • Accepts a 24-V to 250-Vdc input or universal AC input
  • Flyback design achieves 85% efficiency across load
  • Buck converters can both achieve 92% efficiency
  • Single-sided assembly on the PCB

More information

Parts approved by Texas Instruments

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Order Code
Data­sheet
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Product series
L(nH)
LR(nH)
IR(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
C
VR(V (DC))
Endurance(h)
IRIPPLE(mA)
ILeak(µA)
DF(%)
Pitch(mm)
Ø D(mm)
L(mm)
Packaging
SamplesAvailability & Sample
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744306030
SPECWE-HCM SMT High Current Flat Wire Inductor, 300 nH, 220 nH

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Simu­lation
Availability
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-HCM SMT High Current Flat Wire Inductor
Inductance300 nH
Rated Inductance220 nH
Rated Current25 A
Saturation Current @ 10%22.2 A
Saturation Current @ 30%25 A
DC Resistance0.26 mΩ
Self Resonant Frequency31 MHz
MaterialMnZn 
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Length10.5 mm
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860080578019
SPECWCAP-ATLI Aluminum Electrolytic Capacitors, –, –
Simu­lation
Availability
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Downloads8 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors
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Capacitance680 µF
Rated Voltage35 V (DC)
Endurance 5000
Ripple Current2260 mA
Leakage Current238 µA
Dissipation Factor9 %
Pitch5 mm
Diameter13 mm
Length20 mm
PackagingAmmopack 
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