A Subsidiary of Data Device Corporation
40 Orville Drive, Bohemia, NY 11716-2529
Phone: (631) 244-7393; Fax: (631) 244-8893
Web site: www.bttc-beta.com
MLP-2000 SERIES
MINIATURE LOW-PROFILE
0.185" MAXIMUM HEIGHT
MIL-STD-1553 SMT TRANSFORMERS
FEATURES
• New! 3.3V Ratio: MLP-2033, 2233
• Miniature package requires less
board space
• Low Profile
DESCRIPTION AND APPLICATIONS
The military data bus specification, MIL-STD-1553, brought about the
need for versatile pulse transformers that meet all the electrical requirements of Manchester II serial bi-phase data transmission. The MLP-2000
series of transformers provide the turns ratio configurations, component
isolation, and common mode rejection ratio characteristics necessary for
MIL-STD-1553A and B compliance.
The step-up and step-down ratios that are available with the MLP-2000
series complement DDC's entire MIL-STD-1553 product line. These
transformers are low-profile and provide a 70% reduction in board space
compared to surface mount QPL pulse transformers. They are encapsulated and meet the performance requirements of MIL-PRF-21038.
Sinusoidal or trapezoidal waveforms are accurately processed, making
the MLP-2000 series of transformers an excellent choice for any MILSTD-1553A or B application.
• Surface Mount
- Tape and Reel Available
• For Use with MIL-STD-1553A and B,
McAir, A-3818, A-5690, A-5232, and
A-4905
• Withstands Conventional
IR/Convection Reflow Process
• -55°C to +130°C Operating
Temperature Range
• Built and Tested to MIL-PRF-21038
and MIL-STD-202
N:1
OVERSHOOT AND
RINGING ±1 V MAX
ED
E IN
E OUT
90%
EOUT
tr
E IN = 10 V rms at 1 MHz
E
Calc: CMR = 20 log IN
(see note)
E OUT
tf
FIGURE 2. CIRCUIT FOR COMMON MODE REJECTION
360 W
EOUT
10%
% DROOP =
ED
E OUT
1:N
ED
x 100%
FIGURE 1. WAVEFORM INTEGRITY
E
E
IN
(SEE NOTE)
OUT
(SEE NOTE)
EIN = 250 kHz square wave, 27.0 volts peak-to-peak with
a rise and fall time no greater than 100 ns.
Calc : Droop =
ED
E OUT
x 100%. (see figure 1 for E D )
FIGURE 3. CIRCUIT FOR WAVEFORM INTEGRITY
Note: Input to be applied and output to be measured for all dash numbers are as shown. N represents highest turns winding in each test.
© 2000 Data Device Corporation
