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OWT SERIES - TRIPLE OUTPUT, 25 WATT
DESCRIPTION
FEATURES
•
•
•
•
External Enable Pin
5-Sided Shielding
500V Isolation
85°C Case Operation
OWT triple output DC/DC converters provide up to
• Industry Standard
25 Watts of output power in an industry standard 2” x 2”
Package
package. OWT units feature excellent efficiency, five-
• 12V Input
sided shielding, and fixed switching frequency. With
• 25W Output
85°C case operation, the OWT is especially suited to
telecom, networking, and industrial applications.
Efficiency vs. Load (24V Input)
85
80
75
EFFICIENCY %
70
65
60
55
50
10
20
30
40
50
60
70
80
90
100
LOAD %
TECHNICAL SPECIFICATIONS
Input
Voltage Range
12 VDC Nominal
24 VDC Nominal
48 VDC Nominal
Input Ripple Current
Reverse Input Current
10 - 20 VDC
18 - 36 VDC
20 - 60 (add -S1 to p/n) or 36 - 72 VDC
20% Iin Max.
100% Iin Max.
Output
Setpoint Accuracy, V
out1
/ V
out2
/ V
out3
±1%, ±5%, ± 5%
Line regulation V
in
Min. - V
in
Max., I
out
Rated
±1% V
out
Load regulation I
out
Min.- I
out
Max., V
in
Nom., V
out1
/ V
out2
/ V
out3
±1%, ±5%, ± 5%
Minimum Output Current
25 %
Dynamic Regulation, Loadstep
25% I
out
Pk Deviation
4% V
out
Settling Time
500
µs
Short Circuit / Overcurrent Protection
Continuous
Current Limit Threshold Range, % of I
out
Rated
130%
General
Remote Shutdown
Remote Shutdown Reference
Switching Frequency
Isolation
Input - Output
Input - Case
Output - Case
Temperature Coefficient
Case Temperature
Operating Range
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
MTBF
†
(Bellcore TR-NWT-000332)
Safety
Rev. 05/01
Positive
V
in
Negative
300 kHz
500 VDC
500 VDC
500 VDC
0.02%/°C
-25 to +60°C
1
-40 to +125°C
95%
5 g, 10 -55 Hz
1.8 x 10
6
hrs
UL 1950, CSA 22.2-950, EN60950
1
OWT2405-12
OWT2405-15
Efficiency vs. Load (48V Input)
85
80
75
EFFICIENCY %
70
OWT4805-12
65
60
55
50
10
20
30
40
50
OWT4805-15
60
70
80
90
100
LOAD %
Notes
Industrial temp range of -40 to +85C 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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OWT SERIES - TRIPLE OUTPUT, 25 WATT
MODELS - (See the last page of Section for options.)
Vin
(Volts)
12
12
24
24
48
48
48 WIDE
48 WIDE
Vin Range
(Volts)
10 - 20
10 - 20
18 - 36
18 - 36
20 - 60
20 - 60
36 - 72
36 - 72
Iin Max.*
(Amps)
3.7
3.7
2.4
2.4
2.3
2.3
1.4
1.4
Vout
(Volts)
5,
5,
5,
5,
5,
5,
5,
5,
±12
±15
±12
±15
±12
±15
±12
±15
Iout Rated
(Amps)
3.5,
3.5,
3.5,
3.5,
3.5,
3.5,
3.5,
3.5,
±0.31
±0.25
±0.31
±0.25
±0.31
±0.25
±0.31
±0.25
Ripple & Noise
Pk-Pk (mV)
50,
50,
50,
50,
50,
50,
50,
50,
120
150
120
150
120
150
120
150
Efficiency
Typ. **
78%
79%
81%
82%
81%
82%
81%
82%
Model
OWT1205-12
OWT1205-15
OWT2405-12
OWT2405-15
OWT4805-12S1
OWT4805-15S1
OWT4805-12
OWT4805-15
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
MECHANICAL DRAWING
2.00"
(50.8mm)
0.18" MIN.
(4.6mm)
5
1.100"(27.9mm)
DIA 0.040"
(1.0mm)
0.700"(17.8mm)
2.00"
(50.8mm)
0.600"(15.2mm)
0.400"(10.2mm)
0.200"(5.1mm)
0
1
2
3
4
6
BOTTOM VIEW
7
0.300"(7.6mm)
8
-0.100"(-2.5mm)
-0.50"(-12.7mm)
-0.10" 0
(-2.5mm)
1.800"
(45.7mm)
0.50"
(12.7mm)
Thermal Impedance
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
14.9
11.3
8.3
6.8
5.4
°C/W
°C/W
°C/W
°C/W
°C/W
Pin
1
2
3
4
5
6
7
8
Function
+V
in
Tolerances
Inches:
.XX ± 0.040
.XXX ± 0.010
Pin:
± 0.002
(Millimeters)
.X ± 1.0
.XX ± 0.25
± 0.05
Note:
Thermal impedance data is dependent on
many environmental factors. The exact
thermal performance should be validated for
specific application.
-V
in
No Conn.
Enable
+ Aux Out
+5V Out
Common
- Aux Out
(Dimensions as listed unless otherwise
specified.)
2
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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