OWT SERIES - TRIPLE OUTPUT, 25 WATT
DESCRIPTION
FEATURES
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
• 25W Output
• External Enable Pin
• 5-Sided Shielding
• 500V Isolation
• 85°C Case Operation
Efficiency vs. Load (24V Input)
85
80
75
70
65
60
55
50
OWT2405-12
OWT2405-15
TECHNICAL SPECIFICATIONS
Input
10
20
30
40
50
60
70
80
90
100
Voltage Range
LOAD %
12 VDC Nominal
24 VDC Nominal
10 - 20 VDC
18 - 36 VDC
Efficiency vs. Load (48V Input)
48 VDC Nominal
Input Ripple Current
Reverse Input Current
20 - 60 (add -S1 to p/n) or 36 - 72 VDC
20% Iin Max.
85
80
75
70
65
60
55
50
100% Iin Max.
Output
Setpoint Accuracy, V
/ V
/ V
1%, 5%, 5%
out1 out2 out3
Line regulation V Min. - V Max., I
Rated
1% V
OWT4805-12
OWT4805-15
in
in
out
out
Load regulation I
Min.- I
Max., V Nom., V
/ V
/ V
out
out
in
out1 out2 out3
1%, 5%, 5%
25 %
Minimum Output Current
Dynamic Regulation, Loadstep
25% I
out
Pk Deviation
4% V
10
20
30
40
50
60
70
80
90
100
out
LOAD %
Settling Time
Voltage Trim Range
500 µs
10%
Short Circuit / Overcurrent Protection
Continuous
General
Current Limit Threshold Range, % of I
Rated
130%
out
Remote Shutdown
Positive
Remote Shutdown Reference
V
Negative
in
Switching Frequency
Isolation
300 kHz
Notes
Input - Output
Input - Case
Output - Case
Temperature Coefficient
Case Temperature
500 VDC
500 VDC
500 VDC
1
Industrial temp range of -40 to +85C available, add suffix -I to P/N
MTBF predictions may vary slightly from model to model.
†
0.02%/°C
Specifications typically at 25°C, normal line, and full load, unless otherwise
stated.
1
Operating Range
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
-25 to +60°C
-40 to +125°C
95%
Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with
commercial wave-soldering equipment.
5 g, 10 -55 Hz
6
MTBF† (Bellcore TR-NWT-000332)
Safety
1.8 x 10 hrs
Safety: Agency approvals may vary from model to model. Please consult
factory for specific model information.
UL 1950, CSA 22.2-950, EN60950
Rev. SEP 17, 2002
1