U-INTERFACE TRANSFORMERS. LPK88631 Datasheet

LPK88631 TRANSFORMERS. Datasheet pdf. Equivalent


Link-PP LPK88631
ISDN U-INTERFACE TRANSFORMERS
Link-PP Int’l Technology
For applications with 2B1Q and 4B3T Coding
For ROHS part add suffix NL
RoHS “NL” peak solder rating 235
  
     
 Transformer models with 2000 Vrms to 3000 Vrms
minimum isolation
Isolation
Voltage
(Vrms MIN)
2000 Vrms
2500 Vrms
3000 Vrms
Electrical Specifications @ 25 --- Operating Temperature 0 to 70
Part
Number
Turns Ratio
Line:Chip
(±3%)
Line
Side
Pins
OCL Line
side (mH)
DCR Line
Side (Ω)
DCR Chip
Side (Ω)
IDC
(mA)
Lead length
LPK85575
1.65:1
(1-4) 13.0-18.0 5.2%15%
3.0%15%
50 0.15%0.03(3,81%0,76)
LPK85578
1.32:1
(1-4) 7.0-8.3
2.4MAX
2.7MAX
55 0.15%0.03(3,81%0,76)
LPK85579
2.00:1
(1-5) 25.5-28.5 11.6 MAX 6.4 MAX
60 0.17%0.04(4,32%1,02)
LPK85581
1.50:1
(4-2) 14.2-15.8 16.0 MAX 2.5 MAX
60 0.17%0.04(4,32%1,02)
LPK85583
1.50:1
(4-2) 25.6-29.0 20.0 MAX 3.0 MAX
60 0.16%0.03(4,06%0,76)
LPK85584
1.50:1
(1-5) 25.6-29.0 20.0 MAX 3.0 MAX
60 0.17%0.04(4,32%1,02)
LPK88628
1.25:1
(1-5) 26.5-29.5 12.0 MAX 7.0 MAX
80 0.16%0.03(4,06%0,76)
LPK88631
1.50:1
(4-2) 25.6-29.0 20.0 MAX 3.0 MAX
60 0.13%0.03(3,30%0,76)
LPK88681
1.50:1
(1-5) 25.6-28.4 20.0 MAX 3.0 MAX
60 0.13%0.03(3,30%0,76)
LPK88668
1.25:1
(1-5) 26.5-29.5 13.0 MAX 7.5 MAX
80 0.13%0.03(3,30%0,76)
LPK88669
1.65:1
(1-4) 13.0-18.0 5.2%15%
3.0%15%
50 0.13%0.03(3,30%0,76)
NOTE: LPK85575,LPK88628,LPK88668,LPK88669 operating temperature range is -40& to +85&.
Mechanicals
Schematics
Package/
Schematic
IU1/A
IU1/B
IU2/C
IU2/D
IU2/D
IU2/C
IU2/C
IU3/D
IU3/C
IU3/C
IU1/A









  










 






  
  
















  

  




 





 


 ) 7 8
 
Inches
mm
Unless otherwisespecifiedall tolerances are±
Transformer Selection
Company
Chip
Motorola MC145472
Transformer
Coding 2000 Vrms
Isolation
2B1Q LPK85579
Motorola MC145572 2B1Q LPK88628
Transformer
High Isolation
Models
----
LPK88668
National TP 3410
2B1Q
LPK85583
LPK85584
LPK88631
LPK88681
Siemens PEB 2091
Siemens
PEB 2090
PEB 20901
Thomson SD 5411
2B1Q
4B3T
2B1Q
LPK85575
LPK85578
LPK85581
LPK88669
----
----
Return Loss (2B1Q)
( 10 and 25KHz)
' () *+,


Additional Specifications
Longitudinal Balance
(2 B1Q)
 !- " .' /!-
() *+,
4 5 .' /!-
 ' ()#((
 
Longitudinal Balance
(4 B3T)
/!-
'() *+,
' /!- ' /!-
.'() *+,
*!- () *+,
Surge Voltage Resistibility
(ALL)
*"  '' 0 1 '# '' 23
 6  .'' 0  '# ' 23
 
         !""##$$$ 
85


LPK88631 Datasheet
Recommendation LPK88631 Datasheet
Part LPK88631
Description ISDN U-INTERFACE TRANSFORMERS
Feature LPK88631; ISDN U-INTERFACE TRANSFORMERS Link-PP Int’l Technology For applications with 2B1Q and 4B3T Coding.
Manufacture Link-PP
Datasheet
Download LPK88631 Datasheet








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