P
Premier
M
Magnetics Inc.
"INNOVATORS IN MAGNETICS TECHNOLOGY"
TPC RESETING DC/DC
CONVERTERS FOR
NETWORKING
INPUT SPECIFICATIONS
%
Voltage ......................................... 5 or 12.0Vdc
%
Voltage Range .......................................... ±5%
%
Input Filter ........................................ Capacitor
FEATURES
!
"
#
$
1.8 & 2.25 Watts
Caspacitor Input Filter
TPC Self Reseting Short Circuit Protection
24-Pin DIL Package
GENERAL SPECIFICATIONS
%
%
%
%
Efficiency (unregulated) ............... 75% min.
Switching Frequency .................. 40KHz min.
Isolation Voltage .................... 500Vdc min.
Operating Temperature ........... 0 to +71
O
C
OUTPUT SPECIFICATIONS
%
%
%
%
%
Voltage ................................................... 9.0Vdc
Voltage Accuracy ...................................... ±5%
Short Circuit Protection ........... TPC RESETING
Ripple & Noise 20MHz BW ........... 100mV p-p
Load Regulation .................................. ±10.0%
ELECTRICAL SPECIFICATIONS AT 25
O
C - OPERATING TEMPERATURE RANGE 0
O
C TO 71
O
C
PART
NUMBER
B3AF050920
B3AF120925
INPUT
VOLTAGE
(Vdc)
OUTPUT
VOLTAGE
(Vdc)
OUTPUT
CURRENT
(mA max.)
TPC
FUSED
INPUT
INPUT CURRENT (mA typ.)
NO LOAD
FULL LOAD
5
12
9
9
200
250
YES
YES
100
40
575
250
PACKAGE
PHYSICAL DIMENSIONS ....
DIMENSIONS IN mm
(inches)
+Vin
24
NC
23
SCHEMATIC
-Vout +Vout -Vin
15
14
13
P
M
B3AFXX09XX
YYWW
1
+Vin
2
NC
TPC RESETTING
DC to DC CONVERTER
10
11
12
-Vout +Vout -Vin
1.280
(32.51)
MAX
.800
(20.32)
MAX
.420
(10.67)
MAX
.150
(3.81)
TYP
.100
(2.54)
TYP
.600
(15.24)
Pins 2 & 23 are
Optional & May Be
Ommitted
1.100
(27.94)
.020
(0.51)
Specifications subject to change without notice.
b3af 2/98
20381 BARENTS SEA CIRCLE, LAKE FOREST, CA 92630
•
TEL: (949) 452-0511
•
FAX: (949) 452-0512
•
http://www.premiermag.com
1
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