750311423 Wurth Electronics Inc, 750311423 Datasheet - Page 20
![TRANS FLYBACK LT3748LT3575 50UH](/photos/15/55/155519/750311423_sml.jpg)
750311423
Manufacturer Part Number
750311423
Description
TRANS FLYBACK LT3748LT3575 50UH
Manufacturer
Wurth Electronics Inc
Series
WE-FBr
Type
For DC/DC Convertersr
Specifications of 750311423
Applications
Flyback Converters
Intended Chipset
LT3573, LT3574, LT3575, LT3748
Voltage - Primary
36V
Voltage - Auxillary
10V @ 20mA
Voltage - Isolation
1500Vrms
Frequency
100kHz
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Footprint
0.70" x 0.53" (17.8mm x 13.5mm)
Height Above Board
0.50" (12.7mm)
Chipset Manufacturer
Linear Technology
Inductance
50µH
Transformer Type
Isolation and Data Interface (Encapsulated)
Turns Ratio - Primary:secondary
2 : 1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
E.t.
-
Other names
732-2643-2
20
WE-FB
Flyback Transformer
LT3573 / LT3574 / LT3575 / LT3748
Assembled demo boards with option to change included transformer
Order Code**
750 105
750 103
750 106
750 107
750 108
** all datasheets are available on www.we-online.com
*** different set-ups possible with additional transformers which are included in the design kits
www.we-online.com
LT IC
LT3574
LT3573
LT3575
LT3748
LT3748
Demoboard
DC1636A
DC1228A
DC1643A
DC1557A
DC1694A
Power (W)
More design support notes to
2.5
12
30
10
www.we-online.com/LT
7
7 7
7 7
7 7
* not AECQ 200 tested & approved
Characteristics
Standard transformers for various output voltages/
currents available
Easy design of custom power supply due to standard
circuit and change of transformers and two
components for feedback loop
Isolation voltage up to 2.5 kV
download on
Order Code
750 370 041
750 370 047
750 311 675
750 311 439
750 311 607
Transformer assembled on board
Ouput Voltage
5 V / 0.35 A
12 V / 2.5 A
5 V / 1.4 A
12 V / 1 A
5 V / 1 A
Order Code
750 311 304
750 310 564
750 310 688
750 311 599
–
Transformer 2***
7 7
7 7
7 7
7 7
7 7
Applications
Isolated power design
Sensor interfaces
Isolated telecom converters
High power “Automotive”* supplies
Power over Ethernet
Ouput Voltage
3.3 V / 0.7 A
12 V / 0.5 A
3.3 V / 4 A
15 V / 2 A
–
Order Code
750 310 799
750 310 559
750 311 689
750 311 608
–
Transformer 3***
Ouput Voltage
12 V / 0.15 A
3.3 V / 1.5 A
24 V / 1.3 A
5 V / 3 A
–
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