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IC manufacturers Analog Devices

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reference designLT3748

Analog Devices LT3748

Overview

TopologyFlyback Converter
IC revisionA

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Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
VIN
VOut1(V)
IOut1(A)
Vaux(V)
L(µH)
n
ISAT(A)
LS(µH)
VT(V (AC))
Size
IC Reference
SamplesAvailability & Sample
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750311564
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 10 - 40 V (DC), 5 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 10 - 40 V (DC)
Output Voltage 15 V
Output Current 13 A
Auxiliary Voltage8 V
Inductance9.07 µH
Turns Ratio3:1:1.75 
Saturation Current8 A
Leakage Inductance0.25 µH
Insulation Test Voltage1500 V (AC)
SizeEP13 
IC ReferenceLT3575 & LT3748 
–Check availability
750311624
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 10 - 40 V (DC), 15 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 10 - 40 V (DC)
Output Voltage 115 V
Output Current 11 A
Auxiliary Voltage8 V
Inductance9 µH
Turns Ratio1.5:1:0.5 
Saturation Current8 A
Leakage Inductance0.25 µH
Insulation Test Voltage1500 V (AC)
SizeEP13 
IC ReferenceLT3575 & LT3748 
–Check availability
750311599
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 20 - 48 V (DC), 15 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 20 - 48 V (DC)
Output Voltage 115 V
Output Current 12 A
Auxiliary Voltage10 V
Inductance8 µH
Turns Ratio1.5:1:0.67 
Saturation Current12 A
Leakage Inductance1 µH
Insulation Test Voltage1500 V (AC)
SizeEFD20 
IC ReferenceLT3748 
–Check availability
750311604
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 20 - 48 V (DC), 24 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 20 - 48 V (DC)
Output Voltage 124 V
Output Current 11.3 A
Auxiliary Voltage10 V
Inductance8 µH
Turns Ratio1:1:0.42 
Saturation Current9.5 A
Leakage Inductance0.4 µH
Insulation Test Voltage1500 V (AC)
SizeEFD20 
IC ReferenceLT3748 
–Check availability
750311591
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 20 - 48 V (DC), 15 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 20 - 48 V (DC)
Output Voltage 115 V
Output Current 13 A
Auxiliary Voltage10 V
Inductance8 µH
Turns Ratio1.5:1:0.67 
Saturation Current20 A
Leakage Inductance0.4 µH
Insulation Test Voltage1500 V (AC)
SizeEFD25 
IC ReferenceLT3748 
–Check availability
750311590
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 20 - 48 V (DC), 12 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 20 - 48 V (DC)
Output Voltage 112 V
Output Current 13.8 A
Auxiliary Voltage10 V
Inductance8 µH
Turns Ratio2:1:1 
Saturation Current18 A
Leakage Inductance0.4 µH
Insulation Test Voltage1500 V (AC)
SizeEFD25 
IC ReferenceLT3748 
–Check availability
750311592
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 20 - 48 V (DC), 24 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 20 - 48 V (DC)
Output Voltage 124 V
Output Current 11.9 A
Auxiliary Voltage10 V
Inductance8 µH
Turns Ratio1:1:0.44 
Saturation Current18 A
Leakage Inductance0.4 µH
Insulation Test Voltage1500 V (AC)
SizeEFD25 
IC ReferenceLT3748 
–Check availability
750311607
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 30 - 75 V (DC), 12 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 30 - 75 V (DC)
Output Voltage 112 V
Output Current 12.5 A
Auxiliary Voltage10 V
Inductance14 µH
Turns Ratio2.5:1:0.83 
Saturation Current9.5 A
Leakage Inductance0.5 µH
Insulation Test Voltage1500 V (AC)
SizeEFD20 
IC ReferenceLT3748 
–Check availability
750311600
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 30 - 75 V (DC), 15 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 30 - 75 V (DC)
Output Voltage 115 V
Output Current 12 A
Auxiliary Voltage10 V
Inductance12 µH
Turns Ratio2:1:0.67 
Saturation Current11 A
Leakage Inductance0.4 µH
Insulation Test Voltage1500 V (AC)
SizeEFD20 
IC ReferenceLT3748 
–Check availability
750311608
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 30 - 75 V (DC), 24 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 30 - 75 V (DC)
Output Voltage 124 V
Output Current 11.3 A
Auxiliary Voltage10 V
Inductance12 µH
Turns Ratio1.5:1:0.5 
Saturation Current9 A
Leakage Inductance1 µH
Insulation Test Voltage1500 V (AC)
SizeEFD20 
IC ReferenceLT3748 
–Check availability
750311595
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 30 - 75 V (DC), 15 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 30 - 75 V (DC)
Output Voltage 115 V
Output Current 13 A
Auxiliary Voltage10 V
Inductance12 µH
Turns Ratio2:1:0.8 
Saturation Current16 A
Leakage Inductance0.4 µH
Insulation Test Voltage1500 V (AC)
SizeEFD25 
IC ReferenceLT3748 
–Check availability
750311594
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 30 - 75 V (DC), 12 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 30 - 75 V (DC)
Output Voltage 112 V
Output Current 13.8 A
Auxiliary Voltage10 V
Inductance15 µH
Turns Ratio2.33:1:0.83 
Saturation Current18 A
Leakage Inductance0.55 µH
Insulation Test Voltage1500 V (AC)
SizeEFD25 
IC ReferenceLT3748 
–Check availability
750311596
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 30 - 75 V (DC), 24 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 30 - 75 V (DC)
Output Voltage 124 V
Output Current 11.9 A
Auxiliary Voltage10 V
Inductance12 µH
Turns Ratio1.5:1:0.5 
Saturation Current18 A
Leakage Inductance0.4 µH
Insulation Test Voltage1500 V (AC)
SizeEFD25 
IC ReferenceLT3748 
–Check availability
750311424
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 36 V (DC), 12 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 36 V (DC)
Output Voltage 112 V
Output Current 11 A
Auxiliary Voltage8 V
Inductance100 µH
Turns Ratio3:1:0.667 
Saturation Current2.4 A
Leakage Inductance1.5 µH
Insulation Test Voltage1500 V (AC)
SizeEP13 
IC ReferenceLT3748 
–Check availability
750311456
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 36 V (DC), 12 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 36 V (DC)
Output Voltage 112 V
Output Current 11 A
Auxiliary Voltage8 V
Inductance100 µH
Turns Ratio3:1:0.667 
Saturation Current2.4 A
Leakage Inductance1.5 µH
Insulation Test Voltage2500 V (AC)
SizeEP13 
IC ReferenceLT3748 
–Check availability
750311458
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 36 V (DC), 3.3 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 36 V (DC)
Output Voltage 13.3 V
Output Current 14 A
Auxiliary Voltage8 V
Inductance15 µH
Turns Ratio3:1:2.5 
Saturation Current5 A
Leakage Inductance0.3 µH
Insulation Test Voltage2500 V (AC)
SizeEP13 
IC ReferenceLT3575 & LT3748 
–Check availability
750311423
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 36 V (DC), 5 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 36 V (DC)
Output Voltage 15 V
Output Current 14 A
Auxiliary Voltage10 V
Inductance50 µH
Turns Ratio4:1:2 
Saturation Current3.85 A
Leakage Inductance1.2 µH
Insulation Test Voltage1500 V (AC)
SizeEP13 
IC ReferenceLT3575 & LT3748 
–Check availability
750311457
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 36 V (DC), 5 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 36 V (DC)
Output Voltage 15 V
Output Current 14 A
Auxiliary Voltage10 V
Inductance50 µH
Turns Ratio4:1:2 
Saturation Current3.7 A
Leakage Inductance1.2 µH
Insulation Test Voltage2500 V (AC)
SizeEP13 
IC ReferenceLT3575 & LT3748 
–Check availability
750311689
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 36 V (DC), 5 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 36 V (DC)
Output Voltage 15 V
Output Current 14 A
Auxiliary Voltage10 V
Inductance50 µH
Turns Ratio4:1:2 
Saturation Current3.7 A
Leakage Inductance1.2 µH
Insulation Test Voltage2500 V (AC)
SizeEP13 
IC ReferenceLT3575 & LT3748 
–Check availability
750311439
SPECWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748, 37 - 57 V (DC), 12 V
Simu­lation
Availability
–
Downloads8 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-FB Flyback Transformer suitable for LT3573/ LT3574/ LT3575/ LT3748
Input Voltage 37 - 57 V (DC)
Output Voltage 112 V
Output Current 12.1 A
Auxiliary Voltage12 V
Inductance37 µH
Turns Ratio2:1:1.1 
Saturation Current2.8 A
Leakage Inductance0.75 µH
Insulation Test Voltage1500 V (AC)
SizeEP13 
IC ReferenceLT3575 & LT3748 
–Check availability