PMI B4AR120925

P Premier
M Magnetics Inc.
2.25 WATT ETHERNET
DC/DC CONVERTERS
"INNOVATORS IN MAGNETICS TECHNOLOGY"
FEATURES
!
"
#
$
INPUT SPECIFICATIONS
2.25 Watts
Fully Regulated Output
Continuous Short Circuit Protection
5-Pin Low Profile Package
% Voltage ................................................. 12.0Vdc
% Voltage Range ......................................... ±10%
% Input Filter ............................................... π Filter
OUTPUT SPECIFICATIONS
GENERAL SPECIFICATIONS
%
%
%
%
%
%
%
%
%
%
%
Efficiency (regulated) .................... 50% min.
Switching Frequency .................. 20KHz min.
Isolation Voltage .................. 2500Vdc min.
Operating Temperature ........... 0 to +71OC
Storage Temperature ............ -40 to +85OC
Voltage ............................................... Per Table
Voltage Accuracy ...................................... ±5%
Short Circuit Protection ....... Power Foldback
Ripple & Noise 20MHz BW ........... 100mV p-p
Line Regulation .................................... ±0.30%
Load Regulation .................................. ±0.50%
ELECTRICAL SPECIFICATIONS AT 25OC - OPERATING TEMPERATURE RANGE 0OC TO 71OC
PART
NUMBER
INPUT
VOLTAGE
(Vdc)
OUTPUT
VOLTAGE
(Vdc)
OUTPUT
CURRENT
(mA max.)
REGULATED
OUTPUT
12
12
9
+10/+5
250
150/110
YES
YES
B4AR120925
B4AR121051
INPUT CURRENT (mA typ.)
NO LOAD
FULL LOAD
50
60
380
350
SCHEMATIC
PACKAGE
PIN CONNECTIONS
PHYSICAL DIMENSIONS .... DIMENSIONS IN mm (inches)
0.400
(10.16)
PIN
NUMBER B4AR120925 B4AR121051
0.400
(10.16)
.040
DIA.
(1.02)
1
2
3
4
5
1.30
(33.00)
.400
.400
(10.16) (10.16)
4
-OUT
5
.800
(20.32)
1
1.30
(33.00)
P
M
+
OUT
+
5
NC
B4AR120925
YYWW
2
-- +
IN IN
.200
(5.08)
+INPUT
-INPUT
+10V
COMMON
+5V
.250
(6.35)
.250
(6.35)
3
+INPUT
-INPUT
N/C
+OUT
-OUT
P
M
COM
+
10
B4AR121051
YYWW
-- +
IN IN
TOLERANCE IN INCHES
XX± 0.02
XXX± 0.010
.550
(13.97)
Specifications subject to change without notice.
b4ar 8/97
20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630 • TEL: (949) 452-0511 • FAX: (949) 452-0512 • http://www.premiermag.com
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