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itacoil transformers
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LLC Resonant transformers  
SRL Resonant transf. with PFC
SRL Resonant transf. without PFC
Power ferrite transformers for SMPS, DC/DC converters, inverters flyback resonant etc.
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NEW PRODUCTS  
new products, transformers, inductors, coils
 
For the detailed features please see the catalogue
Integrated Resonant Transformers SRL series
resonant transformer
for SMPS without PFC stage
 
  Resonant power supply - see technical news
 
  Fairchild FEB212-003 24V-8A resonant converter demo-board based on chip FSFR2100 - comparative test
  NXP UM10450 - 19,5V 90W resonant converter demo-board with PFC based on TEA1713 - comparative test
  STMicroelectronics EVL130W-SL-EU 130 W SMPS for LED street lighting applications based on L6599AT-6562AT - comparative test
  Power Integrations RDR-239 150W LLC resonant SMPS demo board based on HiperLCS LCS702HG - comparative test
Features  
Designed for best performances on high efficiency LLC resonant power supply without PFC stage
Suited for converters based on chips ST Microelectronics, Fairchild, Texas Instruments, ON Semiconductor Motorola, NXP Philips, Power Integrations, Infineon, International Rectifier, and many others. see models
Integrated resonant inductor and extremely compact size (27.3 x 28.6 x h23.4mm max)
Power supply efficiency up to 94% with simplest hardware solutions, without synchronous rectification
High creepage/clearance/DTI for reinforced insulation, to meet EN61558, EN60950, etc.
RoHS compliant
Usually on stock
Custom version on request
 
  The design of a LLC resonant converter with high efficiency target (both energetic and economic) should consider the constraints related to the physical parameters of the transformer which is supposed to use.
Thanks to our proprietary software we are able to provide a quick and efficient support, working with electronic designers, in defining the "resonant tank" parameters in order to minimize the losses (including MOSFET's conduction losses) to obtain the best efficiency in each of our formats.
  For detailed technical informations please request ITACOIL GENERAL CATALOGUE



Tank
Reference
Output
Voltage
Cont.
power
Max
power
Main AC Voltage Range Input DC
Voltage
Range
Aux
Supply
Nominal
Frequency
Layout
Open
Jumper
Closed
Jumper
024.018.200.01 18Vdc 80W 200W 195...265Vac 97...132Vac 260...373Vdc 14.8Vdc 30mA 88KHz drw. 24A
026.018.170.01 18Vdc 135W 170W 195...265Vac 97...132Vac 260...373Vdc 14.2Vdc 30mA 111KHz drw. 26B
034.018.300.01 18Vdc 175W 300W 195...265Vac 97...132Vac 230...373Vdc 14.4Vdc 30mA 64KHz drw. 34A
024.024.270.01 24Vdc 60W 270W 195...265Vac 97...132Vac 260...373Vdc 19.9Vdc 30mA 82KHz drw. 24A
024.024.220.01 24Vdc 75W 220W 195...265Vac 97...132Vac 260...373Vdc 19.9Vdc 30mA 97KHz drw. 24A
024.024.150.02 24Vdc 100W 150W 195...265Vac 97...132Vac 260...373Vdc 19.9Vdc 30mA 128KHz drw. 24A
034.024.450.01 24Vdc 110W 450W 195...265Vac 97...132Vac 230...373Vdc 19.2Vdc 30mA 58KHz drw. 34A
026.024.230.01 24Vdc 150W 230W 195...265Vac 97...132Vac 260...373Vdc 19.0Vdc 30mA 107KHz drw. 26B
034.024.320.01 24vdc 210W 320W 195...265Vac 97...132Vac 240...373Vdc 19.2Vdc 30mA 83KHz drw. 34A
024.028.110.01 28.5Vdc 90W 110W 195...265Vac 97...132Vac 260...373Vdc 23.6Vdc 30mA 139KHz drw. 24A
026.029.160.01 29Vdc 145W 160W 195...265Vac 97...132Vac 260...373Vdc 23.0Vdc 30mA 116KHz drw. 26B
034.029.280.01 29Vdc 190W 280W 195...265Vac 97...132Vac 250...373Vdc 23.2Vdc 30mA 86KHz drw. 34A
024.036.220.01 36vdc 95W 220W 195...265Vac 97...132Vac 260...373Vdc 14.5Vdc 30mA 86KHz drw. 24A
034.036.370.01 36Vdc 200W 370W 195...265Vac 97...132Vac 225...373Vdc 15.7Vdc 30mA 64KHz drw. 34A
026.042.185.01 42Vdc 165W 185W 195...265Vac 97...132Vac 260...373Vdc 16.3Vdc 30mA 87KHz drw. 26B
024.048.280.01 48Vdc 70W 280W 195...265Vac 97...132Vac 260...373Vdc 19.5Vdc 30mA 80KHz drw. 24A
024.048.230.01 48vdc 90W 230W 195...265Vac 97...132Vac 260...373Vdc 19.5Vdc 30mA 94KHz drw. 24A
024.048.155.01 48Vdc 110W 155W 195...265Vac 97...132Vac 260...373Vdc 19.5Vdc 30mA 124KHz drw. 24A
034.048.560.01 48Vdc 140W 560W 195...265Vac 97...132Vac 245...373Vdc 21.0Vdc 30mA 65KHz drw. 34A
026.048.230.01 48Vdc 175W 230W 195...265Vac 97...132Vac 260...373Vdc 18.7Vdc 30mA 102KHz drw. 26B
034.048.360.01 48Vdc 230W 360W 195...265Vac 97...132Vac 245...373Vdc 21.0Vdc 30mA 94KHz drw. 34A
024.056.130.01 56Vdc 90W 130W 195...306Vac 97...153Vac 260...430Vdc 22.8Vdc 30mA 124KHz drw. 24A
026.056.160.01 56Vdc 160W 165W 195...265Vac 97...132Vac 260...373Vdc 21.9Vdc 30mA 115KHz drw. 26B
034.056.310.01 56Vdc 210W 310W 195...265Vac 97...132Vac 240...373Vdc 24.6Vdc 30mA 90KHz drw. 34A
034.075.400.01 75Vdc 220W 400W 195...265Vac 97...132Vac 235...373Vdc 16.4Vdc 30mA 62KHz drw. 34A
034.096.360.01 96Vdc 320W 360W 195...265Vac 97...132Vac 230...373Vdc 21.0Vdc 30mA 86KHz drw. 34A
034.110.270.01 110vdc 190W 270W 195...265Vac 97...132Vac 235...373Vdc 24.1Vdc 30mA 101KHz drw. 34A


Drawing and dimensions




All Primary Referred Transformer Model Input Rectifier Stage for 115/230V
Schematic 1 (center-tap secondary) Schematic 2 (single secondary) Schematic 3
layout layout Volt Doubler


Please contact our technical department and request latest catalogue for more info.


These transformers are useful with every chip for resonant converters, these are some of the most common:
ST Microelectronics Fairchild NXP Philips Texas Insruments Power Integrations ON Semiconductors International Rectifier Infineon
L6598
L6599
L6585
L6699
FAN7688
FAN7631
FAN7621
FAN7621S
FAN7621B
FSFR2100
FSFR1600US
FSFR1700US
FSFR1800US
FSFR2100US
FSFR1800HS
FSFR1700HS
FSFR1600XS
FSFR1700XS
FSFR1800XS
FSFR2100XS
FLS1600XS
FLS1700XS
FLS1800XS
FLS2100XS
TEA1610T
TEA1611T
TEA1612T
TEA1713T
TEA1716T
SSL4120T
UCC25600
UCC256301
UCC256303
UCC256304
UCC29950
UCD3138
PLC810PG
LCS700HG
LCS701HG
LCS702HG
LCS703HG
LCS705HG
LCS708HG
NCP1395x
NCP1396x
NCP1397
NCP1910
NCL30051
MC34067
MC33067
IRS27951
IRS27952
IRS279524
IRS2548D
IRS2153
IRS21531
ICE1HS01G
ICE2HS01G
ICL5101

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