750311303 Wurth Electronics Inc, 750311303 Datasheet - Page 4
![TRANS FLYBACK LT3575 50UH SMD](/photos/15/55/155510/750311303_sml.jpg)
750311303
Manufacturer Part Number
750311303
Description
TRANS FLYBACK LT3575 50UH SMD
Manufacturer
Wurth Electronics Inc
Series
WE-FBr
Type
For DC/DC Convertersr
Specifications of 750311303
Applications
Flyback Converters
Intended Chipset
LT3573, LT3574, LT3575, LT3748
Voltage - Primary
9 ~ 30V
Voltage - Auxillary
10V @ 20mA
Voltage - Isolation
1500Vrms
Frequency
100kHz
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Footprint
0.60" x 0.53" (15.2mm x 13.3mm)
Height Above Board
0.45" (11.4mm)
Chipset Manufacturer
Linear Technology
Inductance
50µH
Transformer Type
Isolation and Data Interface (Encapsulated)
Turns Ratio - Primary:secondary
5 : 1
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
E.t.
-
Other names
732-2625-2
04
WE-PMI
Power Multilayer Inductor
Size 1008 (Low DCR) / Size 1008 (High Current)
Electrical properties: Size 1008 (Low DCR)
Order Code
744 797 871 47
744 797 872 10
744 797 872 15
744 797 872 22
744 797 872 33
744 797 872 47
I
Inductance vs. Current
Electrical properties: Size 1008 (High Current)
Order Code
744 798 872 10
744 798 872 22
744 798 872 47
744 798 872 68
744 798 873 10
I
Inductance vs. Current
R
R
www.we-online.com
referring to self-heating, I
referring to self-heating, I
sat
sat
Inductance
referring to inductance loss of 30%
Inductance
referring to inductance loss of 30%
10
100
1
0
10
±20%
±20%
1
0
(µH)
0.47
(µH)
1
1.0
1.5
2.2
3.3
4.7
1.0
2.2
4.7
6.8
10
1
10 µH
4.7 µH
1.0 µH
1.0 µH
2.2 µH
0.47 µH
2.2 µH
min.
min.
15
15
15
15
20
20
15
19
26
30
35
3.3 µH
Q
Q
4.7 µH
6.8 µH
1.5 µH
10
10
Frequency
Frequency
(MHz)
(MHz)
Test
Test
1
1
Strom/DC Current (mA)
Strom/DC Current (mA)
±30%
±30%
(mΩ)
(mΩ)
DCR
DCR
120
100
110
290
400
530
650
700
100
90
70
80
100
I
I
R
R
(mA)
1500
2000
1200
1100
(mA)
@ 20K
@ 20K
950
850
600
550
450
350
300
1000
1000
I
I
R
R
(mA)
1900
2500
1600
1500
1350
1250
(mA)
1000
@ 40K
@ 40K
850
750
700
650
(mA)
(mA)
1200
1100
700
500
800
700
400
250
850
600
350
10000
10000
I
I
sat
sat
(MHz)
(MHz)
min.
min.
SRF
110
SRF
100
90
70
60
50
40
70
50
40
30
3000
3000
Qty.
Qty.
Dimensions (in mm)
Land pattern (in mm)
Dimensions (in mm)
Land pattern (in mm)
0,8
0,8
2,5 ±0,3
2,5 ±0,3
0,5 ±0,3
0,5 ±0,3
1,2
1,2
0,8
0,8
11/10