P
POLYTRON DEVICES, Inc.
5 WATT
SINGLE OUTPUT
Isolated, Regulated
DC/DC Converters
24Vdc TO 125Vdc Output
Specifications
FEATURES
• High Performance
π
Input Filter
• Short Circuit
Protection
• Extremely Low
Output Noise
• Highly Regulated
Floating Outputs
• Low Input Reflected
Ripple
• P.C. Card Mounting
PR45 Series
All specifications are typical at nominal input, full load, and 25˚C ,
unless otherwise noted.
INPUT
Voltage Range.......................................................................... +10%
Input Filter..........................................................................Pi Network
Input Reflected Ripple...............................+1% of Input Voltage max
OUTPUT
Voltage Accuracy.................................................................+1% max.
Line Regulation................................................................+0.2% max.
Load Regulation..............................................................+0.2% max.
Ripple Noise (20MHz Bw)....................................................3 mV rms
GENERAL
Efficiency...................................................55-65% nominal line @ FL
Isolation Voltage.....................................................................500 Vdc
Protection...................................................... Short Circuit Protection
ENVIRONMENTAL
Operating Temperature Range.......................................-25˚ to +71˚C
Storage Temperature Range........................................-55˚ to +105˚C
Cooling................................................................Free Air Convection
PHYSICAL
Case Material (Case B1)..............................Nickel Coated Copper w/
Non-Conductive Base
Case Material (Case C1).............................Black Phenolic Plastic w/
Plastic Base
Dimensions
Case B1..................................................2.00” x 2.00” x 0.40”
Case C1...............................................2.00” x 2.00” x 0.875”
P.O. Box 398, Paterson, New Jersey 07544 U.S.A.
Tel: (973)345-5885 Fax: (973)345-1264 • Email: sales@polytrondevices.com • www.polytrondevices.com
35
5 Watt Single Output DC/DC Converters
Selection Guide
Input Voltage
Nominal
(Vdc)
Output
Voltage
(Vdc)
24
48
75
100
125
24
48
75
100
125
24
48
75
100
125
Output
Current
(mA)
187
93
60
45
36
187
93
60
45
36
187
93
60
45
36
PR45 Series
(Continued)
Model Number
Case
12
15
24
PR45-12S24
PR45-12S48
PR45-12S75
PR45-12S100
PR45-12S125
PR45-15S24
PR45-15S48
PR45-15S75
PR45-15S100
PR45-15S125
PR45-24S24
PR45-24S48
PR45-24S75
PR45-24S100
PR45-24S125
B1
C1
C1
C1
C1
B1
C1
C1
C1
C1
B1
C1
C1
C1
C1
Mechanical Specifications
SINGLE OUTPUT VOLTAGE
I/O Connections
Pin
1
2
3
4
5
SINGLE
+Vin
-Vin
+Vout
N/C
-Vout
C1
B1
0.175
(4.45)
0.4(10.16)
0.875
(22.20)
NOTE:
OTHER VOLTAGES AVAILABLE.
0.15 (3.80)
CHASSIS MOUNTING AVAILABLE.
CONTACT FACTORY.
1
1.65
(41.90)
3
0.85(21.6)
2.00
(50.80)
0.85(21.6)
BOTTOM
VIEW
4
2
5
1.70
(43.18)
2.00
(50.80)
CASE B1, C1
0.15
(3.80)
All Dimensions are in inches (mm)
P
POLYTRON DEVICES, Inc.
P.O. Box 398, Paterson, New Jersey 07544 U.S.A.
Tel: (973)345-5885 Fax: (973)345-1264 • Email: sales@polytrondevices.com • www.polytrondevices.com
36
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