B0357-BL, B0358-CL

Document 372-1
Planar Magnetics
For National Semiconductor
LM5025 and LM5034
Planar transformer and inductor pair designed for the NSC
LM5110 Gate Driver and LM5025 Active Clamp Voltage
Mode PWM Controller.
These parts are also specified by NSC for use with their
LM5034 Dual Interleaved Controller.
Core material Ferrite
Terminations RoHS Matte-tin over nickel over brass
Weight 11.3 – 11.7 g
Ambient temperature –40°C to +85°C
Storage temperature Component: –40°C to +85°C.
Tape and reel packaging: –40°C to +80°C
Resistance to soldering heat Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30°C /
85% relative humidity)
Failures in Time (FIT) / Mean Time Between Failures (MTBF)
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332
Packaging 200 per 13″ reel Plastic tape: 44 mm wide,
0.37 mm thick, 32 mm pocket spacing, 9.4 mm pocket depth
PCB washing Only pure water or alcohol recommended
Transformer
Output Primary Leakage
Pri/sec
DCR maxisolation
Part
Output
Output current inductance2 inductance3
(mOhms)(Vdc)
number1
power (W)
voltage (V)
(A rms)
min (µH)
max (µH)
B0357-BL_
100 3.330.0320.00.55 Primary:
55.0
1500
Secondary: 1.0
1. When ordering, please specify packaging code:
B0357-BLD
Packaging:D =13″ machine ready reel. EIA-481 embossed plastic
tape (200 parts per full reel).
B
=Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge), use
code letter D instead.
B0357-BL
2
XXXXY
0.810 max
20,57
3
1
0.920
max
23,37
1
2. Inductance measured on an Agilent/HP 4284 between pins 1 and 2 at
250 kHz, 0.1 Vrms, 0 Adc.
3. Leakage inductance measured between pins 1 and 2 at 100 kHz,
0.1 Vrms, 0 Adc with secondary pins shorted.
4. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
0.800
20,32
0.125
3,18
1
4
0.400
10,16
0.250
6,35
2
Ø
Parts manufactured prior
to December 2011 may
be marked differently.
0.080
2,03
Sec
4
0.200
5,08
3
Pri
3
Recommended
Land Pattern
2
4
12 : 2
0.110
Ø
2,79
0.360 max
9,14
0.006 /0,15
Dimensions are in
US +1-847-639-6400 [email protected]
UK +44-1236-730595 [email protected]
Taiwan +886-2-2264 3646 [email protected]
China +86-21-6218 8074 [email protected]
Singapore + 65-6484 8412 [email protected]
inches
mm
Document 372-1 Revised 12/19/11
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
Document 372-2
Planar Magnetics for NSC LM5025 and LM5034
Output Inductor
Inductance2
Isolation3
Part
at 0 Adc
DCR max
number1 (µH) (mOhms) (Vdc)
B0358-CL_
2.0 ±10%
Main: 2.0
1500
Aux:900.0
1. When ordering, please specify packaging code:
B0358-CLD
Packaging:D =13″ machine ready reel. EIA-481 embossed plastic
tape (200 parts per full reel).
B
=Less than full reel. In tape, but not machine ready.
To have a leader and trailer added ($25 charge), use
code letter D instead.
Typical L vs Current
100
100
10
10
1
1
0.1
0.01
(A)(A)
32
36
2. Inductance measured on an Agilent/HP 4284 between pins 3 and 4 at
250 kHz, 0.1 Vrms.
3. Isolation measured from pin 1 to pin 3.
4. DC current at which inductance drops 10% (typ) from its value without
current.
5. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
Inductance (µH)
Inductance (µH)
Typical L vs Frequency
Isat4 Irms5
0.1
0.01
1
0.1
10
0.01
0.1
2
B0358-CL
XXXXY
0.810 max
20,57
100
Current (A)
3
0.920
max
23,37
1
10
1
Frequency (MHz)
Main
4T
0.800
20,32
1
4
3
0.250
6,35
0.310
7,87
0.250
6,35
2
Ø
Parts manufactured prior
to December 2011 may
be marked differently.
4
0.310
7,87
0.080
2,03
4
1
Aux
13T
2
3
Recommended
Land Pattern
Ø
0.110
2,79
0.360 max
9,14
0.006 /0,15
Dimensions are in
inches
mm
US +1-847-639-6400 [email protected]
UK +44-1236-730595 [email protected]
Taiwan +886-2-2264 3646 [email protected]
China +86-21-6218 8074 [email protected]
Singapore + 65-6484 8412 [email protected]
Document 372-2 Revised 12/19/11
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.
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