Document 1363
For TI TPS23753A PoE Interface
Flyback Transformers and Converter Controller
• For TI TPS23753A IEEE802.3 PoE Interface and Converter
Controller
• Developed for TI PMP9068 Class 1 Isolated Synchronous
Flyback Converter for PoE PD Application Reference Design
• 1500Vrms, one minute isolation primary and bias to secondary
and drive windings
Core material Ferrite
Terminations RoHS tin-silver-copper over tin over nickel over phos
bronze.
Weight 2.1 g
Ambient temperature –40°C to +125°C
Maximum part temperature +135°C
Storage temperature Component: –40°C to +135°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 350 per 13″ reel Plastic tape: 32 mm wide,
0.45 mm thick, 20 mm pocket spacing, 9.35 mm pocket depth
PCB washing Tested to MIL-STD-202 Method 215 plus an additional
aqueous wash. See Doc787_PCB_Washing.pdf.
Leakage L4
max (µH)
L at0A2 LatIpk3
DCR max (Ohms)
sec drive bias
Turns ratio
pri:sec pri:drive pri:bias (A)
1:0.14 1:0.21 1:0.465 0.3
Part
±±0ꢀ
(µH)
min
Ipk3
number1
(µH)
pri
pri
drive
Output5
PA6595-AL_ 310
279.0
1.14 0.025 0.282 1.58
4.10
0.20
3.3 V, 0.9 A
1. When ordering, please specify packaging code:
PA6595-ALD
Packaging: D = 13″ machine ready reel. EIA-481 embossed plastic
tape (350 per full reel). Quantities less than full reel
available: in tape (not machine ready) or with leader
and trailer ($25 charge).
2. Inductance is for the primary, measured at 250 kHz, 0.1 Vrms.
3. Peak primary current drawn at minimum input voltage.
4. Leakage inductance for the primary is with the secondary and drive
windings shorted; leakage inductance for the drive winding is with the
secondary windings shorted.
5. Output is of the secondary winding. Output of the bias winding is 12 V,
20 mA. Output of the drive winding is 5 V, 50 mA
B = Less than full reel. In an effort to simplify our part
numbering system, Coilcraft is eliminating the need
for multiple packaging codes. When ordering, simply
change the last letter of your part number from B to D.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount Components” before soldering.
0.098
2,50
0.098
2,50
Internal code
4
6
3
0.104
2,65
0.370
9,40
Primary
(36 – 57 Vdc)
Secondary
(3.3 V, 0.9 A)
5
0.430
10,92
5
4
max
8
2
1
1
8
Bias
Drive
Recommended
Land Pattern
0.028
0,70
(12 V, 20 mA)
(5 V, 50 mA)
0.050
1,27
Dot indicates pin1
7
1
0.355
max
9,02
0.004/0,10
0.339
8,60
0.041
1,05
inches
mm
0.520
13,21
Dimensions are in
max
Document 1363 Revised 01/03/17
US +1-847-639-6400 sales@coilcraft.com
UK +44-1236-730595 sales@coilcraft-europe.com
Taiwan +886-2-2264 3646 sales@coilcraft.com.tw
China +86-21-6218 8074 sales@coilcraft.com.cn
Singapore + 65-6484 8412 sales@coilcraft.com.sg
© Coilcraft Inc. 2021
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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