(888) IPD-CONVerters
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(888) 473-2668
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www.ipdconverters.com
OWS SERIES - 25 WATT
DESCRIPTION
OWS single output DC/DC converters provide up to
25 Watts of output power in an industry standard
package and footprint. The OWS features excellent
efficiency, six-sided shielding, and a fixed switching
frequency. With 85°C case operation, the OWS is
especially suited to telecom, networking, and
industrial applications.
FEATURES
• Industry Standard Package
• 12V and 48V Input
Versions
• 25W Output
• 85°C Case Operation
•
•
•
•
Trim and Enable Pins
Fixed Frequency
500V Isolation
Wide Input Range
Efficiency vs. Load (12V Input)
95
90
85
EFFICIENCY %
80
75
EFF. OWS1205
EFF. OWS1212
EFF. OWS1215
70
65
60
TECHNICAL SPECIFICATIONS
Input
Voltage Range
12 VDC Nominal
48 VDC Nominal
Input Reverse Voltage Protection
Input Ripple Current
Reverse Input Current
Output
Setpoint Accuracy
Line Regulation V
in
Min. - V
in
Max., I
out
Rated
Load Regulation I
out
Min. - I
out
Max., V
in
Nom.
Minimum Output Current
Dynamic Regulation, Loadstep
Pk Deviation
Settling Time
Voltage Trim Range
Short Circuit / Overcurrent Protection
Current Limit Threshold Range, % of I
out
Rated
General
Remote Shutdown
Remote Shutdown Reference
Switching Frequency
Isolation
Input - Output
Temperature Coefficient
Case Temperature
Operating Range
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 min. each
MTBF
†
(Bellcore TR-NWT-000332)
Safety
Weight (Approx.)
Rev. 05/01
Positive
V
in
Negative
300 kHz
500 VDC
0.02%/°C
-25 To +85°C
1
-40 To +125°C
95%
5 g, 10 - 55 Hz
1.8 X 10
6
hrs
UL1950, CSA 22.2-950, EN60950
1.9 oz
1
55
10
20
30
40
50
60
70
80
90
100
LOAD %
10 - 20 VDC
20 - 60 VDC
Shunt Diode
20% I
in
Max.
100% I
in
Max.
Efficiency vs. Load (48V Input)
.
95
90
±1%
±1% V
out
±1% V
out
10 %
25% I
out
1% V
out
500
µs
±10%
Continuous
110% - 130%
EFFICIENCY %
85
80
75
70
65
60
55
10
20
30
40
50
60
70
80
90
100
LOAD %
EFF. OWS4812
EFF. OWS4805
Notes
Industrial temperature range of -40 to +85°C available; add suffix -I to P/N.
MTBF predictions may vary slightly from model to model.
†
Specifications typically at 25°C, normal line, and full load, unless otherwise
stated.
Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with
commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model. Please consult factory
for specific model information.
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OPTIONS
Powering Communications and Technology
When ordering equipment options, use the following suffix information. Select the option(s) that you prefer and
add them to the model number. Example ordering options are located below the options table.
OPTIONS
Negative Logic
SUFFIX
N
APPLICABLE SERIES
HAS, HBD, HBS, HES, HLS, LES,
QBS, QES, QLS, TES, TQD
HAS, HBD, HBS, HES, HLS, QBS, QES,
QLS
XWS, XWD, XWT
IAS, LES
IAD, IAS, LES, SMS
IAS, LES
SMS
Encapsulated EWS, IWS, OWS
Standard Pin Length is 0.180"
(4.6mm)
8
9
1H
1V
2H
2V
3H
3V
All Units (Except SMS)
All Units (Except SMS)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
All Units (Except DIP, HLS, HLD, QLS,
SIP, SM TLD, and TKD Packages)
REMARKS
TTL "Low" Turns Module ON
TTL "High" Turns Module OFF
Lucent Compatible Trim
Terminal Strip
Trim
Enable
Trim and Enable
Current Share
Headerless
PIN LENGTH AND HEATSINK
OPTIONS
0.110" (2.8mm) Pin Length
0.150" (3.8mm) Pin Length
0.24" (6.1mm) Horizontal Heatsink
0.24" (6.1mm) Vertical Heatsink
0.45" (11.4mm) Horizontal Heatsink
0.45" (11.4mm) Vertical Heatsink
0.95" (24.1mm) Horizontal Heatsink
0.95" (24.1mm) Vertical Heatsink
T
TS
1
2
3
4
Y
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Includes Thermal Pad
Example Options:
HBS050ZG-ANT3V = HBS050ZG-A with negative logic, Lucent compatible trim, and 0.95” vertical heatsink.
LES015YJ-3N = LES015YJ with optional trim and enable, negative logic.
QBS066ZG-AT8 = QBS066ZG-A with Lucent compatible trim and 0.110” pin length.
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not authorized for use as critical components in life support systems, equipment used
in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manu-
factured. Specifications are subject to change without notice.
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