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OWT SERIES - TRIPLE OUTPUT, 25 WATT
FEATURES
DESCRIPTION
OWT triple output DC/DC converters provide up to
25 Watts of output power in an industry standard 2” x 2”
package. OWT units feature excellent efficiency, five-
sided shielding, and fixed switching frequency. With
85°C case operation, the OWT is especially suited to
telecom, networking, and industrial applications.
• Industry Standard
Package
• 12V Input
• External Enable Pin
• 5-Sided Shielding
• 500V Isolation
• 25W Output
• 85°C Case Operation
Efficiency vs. Load (24V Input)
85
80
75
70
65
60
55
50
OWT2405-12
OWT2405-15
TECHNICAL SPECIFICATIONS
Input
Voltage Range
12 VDC Nominal
24 VDC Nominal
10 - 20 VDC
18 - 36 VDC
10
20
30
40
50
LOAD %
60
70
80
90
100
48 VDC Nominal
20 - 60 (add -S1 to p/n) or 36 - 72 VDC
20% Iin Max.
Input Ripple Current
Reverse Input Current
100% Iin Max.
Efficiency vs. Load (48V Input)
Output
85
Setpoint Accuracy, Vout1 / Vout2 / Vout3
Line regulation Vin Min. - Vin Max., Iout Rated
Load regulation Iout Min.- Iout Max., Vin Nom., Vout1 / Vout2 / Vout3
±1%, ±5%, ± 5%
±1% Vout
80
75
70
65
60
55
50
±1%, ±5%, ± 5%
Minimum Output Current
Dynamic Regulation, Loadstep
25 %
OWT4805-12
OWT4805-15
25% Iout
Pk Deviation
4% Vout
Settling Time
500 µs
Short Circuit / Overcurrent Protection
Continuous
Current Limit Threshold Range, % of Iout Rated
130%
10
20
30
40
50
LOAD %
60
70
80
90
100
General
Remote Shutdown
Positive
Vin Negative
300 kHz
Remote Shutdown Reference
Switching Frequency
Isolation
Notes
1 Industrial temp range of -40 to +85C available, add suffix -I to P/N
Input - Output
500 VDC
500 VDC
500 VDC
0.02%/°C
Input - Case
†
MTBF predictions may vary slightly from model to model.
Output - Case
Temperature Coefficient
Case Temperature
Operating Range
Specifications typically at 25°C, normal line, and full load, unless otherwise
stated.
-25 to +60°C1
-40 to +125°C
95%
Storage Range
Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with
commercial wave-soldering equipment.
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
5 g, 10 -55 Hz
Safety: Agency approvals may vary from model to model. Please consult factory
for specific model information.
MTBF (Bellcore TR-NWT-000332)
1.8 x 106 hrs
†
Safety
UL 1950, CSA 22.2-950, EN60950
Rev. 05/01
1
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