ADSL LINE TRANSFORMERS
For Use With Texas Instruments’ Chipsets
Matched to Texas Instruments’ AC5 chipset
Excellent THD performance in a small footprint
Designed to meet UL1950 and EN60950 for supplementary
insulation requirements for working voltages up to 250Vrms
Electrical Specifications @ 25°C — Operating Temperature -40°C to +85°C
RoHS-5
Compliant
Part No.
B2205
BX2375
RoHS-6
Compliant
Part No.
B2205NL
_
Mounting
SMT
SMT
Application
CO
CO; ADSL
over ISDN
Turns Ratio
1:1.9 ±2%
1:1.9 ±3%
Interwinding
Capacitance
@100kHz, 0.1Vrms
16pf MAX
22pf MAX
OCL
(1-4) w/(2-3) short
400µH ±5% @ 0.1V, 100kHz
92.5µH ±5% @ 0.1V, 10kHz
Leakage Inductance
@ 100kHz, 0.1V
(1-4) w/(2-3), (6-7), (5-8) short
7.5µH MAX
3.2µH MAX
Additional Electrical Specifications
RoHS-5
Compliant
Part No.
B2205
BX2375
RoHS-6
Compliant
Part No.
B2205NL
_
THD
(100kHz, 5.3Vrms)
≤-80dB
≤-80dB
DC Resistance
Line Side
Chip Side
(1-4) w/(2-3) short
(5-8) w/(6-7) short
≤1.10Ω
MAX
≤0.65Ω
MAX
≤1.10Ω
MAX
≤0.37Ω
MAX
Isolation Voltage
(Vrms)
1500
1500
Longitudinal Balance
@ 100kHz
≤
-60dB
≤
-60dB
NOTE:
Transformers are shipped in trays unless Tape & Reel packaging is specified by adding the suffix
“T”
to the part number (i.e. B2205T and B2205NLT).
Mechanical
.475
12,07
MAX
.420 .620
10,67 15,75
Part Number
Date Code
Country of Mfg.
Schematic
.600
15,24
MAX
.050
1,27
.295
7,49
1
3
2
4
1.9:1
8
6
7
5
.098
2,50
SUGGESTED PAD LAYOUT
.008
0,20
.098
2,50
.450
11,43
MAX
8X
0°
8°
Weight
. . . . . . . . . . . . . .3.4 grams
Tray
. . . . . . . . . . . . . . . . . .75/tray
Dimensions:
Inches
mm
Unless otherwise specified,
all tolerances are ± .010
0,25
3X
.024
0,61
.295
7,49
.006/0,15
8
SURFACES
8
X
.041
±
.006
1,04
± 0,15
For More Information:
Pulse Worldwide
Headquarters
12220 World Trade Dr.
San Diego, CA 92128
U.S.A.
www.pulseeng.com
TEL: 858 674 8100
FAX: 858 674 8262
Pulse
Europe
Einsteinstrasse 1
D-71083 Herrenberg
Germany
Tel: 49 7032 7806 116
Fax: 49 7032 7806 135
Pulse China
Headquarters
No. 1
Industrial District
Changan, Dongguan
China
Tel: 86 769 85538070
Fax: 86 769 85538870
Pulse North China
Room 1503
XinYin Building
No. 888 YiShan Rd.
Shanghai 200233
China
Tel: 86 21 54643211/2
Fax: 86 21 54643210
Pulse South Asia
150 Kampong Ampat
#07-01/02
KA Centre
Singapore 368324
Tel: 65 6287 8998
Fax: 65 6280 0080
Pulse North Asia
No. 26
Kao Ching Rd.
Yang Mei Chen
Taoyuan Hsien
Taiwan, R. O. C.
Tel: 886 3 4641811
Fax: 886 3 4641911
Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product
names mentioned herein may be trademarks or registered trademarks of their respective owners.
© Copyright, 2006. Pulse Engineering, Inc. All rights reserved.
www.pulseeng.com
B985.B (6/06)