Datasheet

Application Note
Created by Traco Electronic AG Arp. www.tracopower.com Date: May 31
th
, 2013 / Rev.: 1.2
/
Page 2 / 52
20W Single & Dual Output
Absolute Maximum Rating
Parameter Model Min Max Unit
Input Voltage
Continuous
Transient (1 sec max.)
THN 20-12xx
THN 20-24xx
THN 20-48xx
THN 20-12xx
THN 20-24xx
THN 20-48xx
18
36
75
25
50
100
Vdc
Operating Ambient Temperature (with derating)* All -40 +101 °C
Operating Case Temperature +105 °C
Storage Temperature All -55 +125 °C
* Test condition with vertical direction by natural convection (20LFM).
Output Specification
Parameter Model Min Typ Max Unit
Output Voltage Range
(V
in
= V
in nom
; Full Load; T
A
= 25°C)
THN 20-xx10
THN 20-xx11
THN 20-xx12
THN 20-xx13
THN 20-xx22
THN 20-xx23
3.267
4.95
11.88
14.85
±11.88
±14.85
3.3
5
12
15
±12
±15
3.333
5.05
12.12
15.15
±12.12
±15.15
Vdc
Voltage Adjustability (See Page 46) All
-10
+10 %
Output Regulation
Line (V
in min
to V
in max
at Full Load) Single Output
Line (V
in min
to V
in max
at Full Load) Dual Output
Load (0% to 100% of Full Load) Single Output
Load (10% to 90% of Full Load) Single Output
Load (0% to 100% of Full Load) Dual Output
Load (10% to 90% of Full Load) Dual Output
All
-0.2
-0.5
-0.2
-0.1
-1.0
-0.8
+0.2
+0.5
+0.2
+0.1
+1.0
+0.8
%
Output Ripple & Noise (See Page 42)
Peak-to-Peak (20MHz bandwidth)
(Measured with a 1μF M/C X7R and a 10μF T/C )
THN 20-xx10
THN 20-xx11
THN 20-xx12
THN 20-xx13
THN 20-xx22
THN 20-xx23
75
75
100
100
100
100
mV pk-pk
Temperature Coefficient All -0.02 +0.02 %/°C
Output Voltage Overshoot
(V
in min
to V
in max
; Full Load ; T
A
= 25°C)
All 5 % V
out
Dynamic Load Response
(V
in min
to V
in max
; T
A
= 25°C)
Load step change from
75% to 100% or 100 to 75% of Full Load
Peak Deviation
Setting Time (V
out
< 10% peak deviation)
All
All
350
250
mV
μS
Output Current THN 20-xx10
THN 20-xx11
THN 20-xx12
THN 20-xx13
THN 20-xx22
THN 20-xx23
0
0
0
0
0
0
4500
4000
1670
1330
±833
±667
mA