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TDD25 SERIES
SINGLE & DUAL OUTPUT
Characteristics
Conditions
min.
typ.
max.
unit
Switching frequency
Isolation voltage
Isolation resistance
Ambient temperature
Vi nom, Io nom
Input / Output
Input / Output, @ 500VDC
K H z
1,500
VDC
M
100
Characteristics
Conditions
min.
unit
Output voltage accuracy
Vi nom, Io nom
typ.
max.
2
%
200
2
%
48
Characteristics
Conditions
min.
typ.
max.
unit
Input voltage range
18
35
48
60
75
VDC
VDC
Ta min ... Ta max,
Io nom
24
Minimum load
Line regulation
Io nom, Vi min ...Vi max
Vi nom
0
10
%
%
%
Load regulation
o
% / C
Temperature coefficient
Transient recovery time
Vi nom, Io 0 ... Io nom
,
single output models
Vi nom, Io nom
500
0.02
%
%
S
1
%
Case temperature
Operating at Vi nom, Io nom
o
C
Storage temperature
M.T.B.F.
Non operational
According to MIL-HDBK-217F, GF40
-40
+ 100
+ 100
233,000
o
C
Derating
o
% / C
Vi nom
No load input current
24V models
48V models
mA
mA
Vi = nom
Input voltage w/o damage
65
VDC
VDC
Io nom
24V models
48V models
80
3:1 models
2:1 models
single output models
dual output models (each output)
Vi nom, Io min ... Io nom
,
dual output models
-25
o
C
+ 60
3.3V & 5V model
12V, 15V & dual output model
-25
Dimension
L50.8 x W76.2 x H12
Hrs
Cooling
Free air convection
Case material
Metal
mm
GENERAL
+ 71
o
C
Input filter
Pi type
INPUT SPECIFICATIONS
10
15
OUTPUT SPECIFICATIONS
Ripple & noise
25% load, step changed
See derating curve
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
2
5
Startup voltage
VDC
Io nom
24V models
48V models
30
16
VDC
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3.3V & 5V models
12V &
12V
Vi nom, Io nom,
BW = 20MHz
15V &
15V
mV
150
mV
240
mV
300
Voltage trim range
3.3V output models
Vi nom
5
%
5V, 12V, 15V & dual
%
10
Efficiency
Up to 84%, See model list
Vi nom, Io nom, Po / Pi
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TDD25 SERIES
SINGLE & DUAL OUTPUT
MECHANISM & PIN CONFIGURATION
PHYSICAL CHARACTERISTICS
CASE SIZE
CASE MATERIAL
WEIGHT
50.8 x 76.2 x 12 mm 2 x 3 x 0.47 inches
Metal
105 g
PIN ASSIGNMENT
PIN NO.
SINGLE
Vi+
N. C.
Vi -
DERATING
2
mm [inch]
3
6
7
5
DUAL
Vi+
Vi -
Vo +
Vo +
com
Input reversed
Shunt diode built in, external fuse recommended
Output short circuit
Continuous
Remote ON / OFF
ON: opened or 8 ~ 10VDC applied, reference to input GND
OFF: -0.3 ~ 2VDC applied, reference to input GND
CONTROL AND PROTECTION
GENERAL
8
9
10
NO / OFF
NO / OFF
Vo -
N. C.
N. C.
Vo -
Trim
Trim
NATURAL
CONVECTION
COOLING
0
100
o
Ambient Temperature [ C ]
60
100
-25
P
o
w
e
r
o
u
t
[
%
]
71
12V, 15V & dual
3.3V & 5V
BOTTOM VIEW
2
63.50 [2.50]
3
5
6
7
8
9
10
6.35 [0.25]
15.24 [0.60]
10.16 [0.40]
20.32 [0.80]
5.08 [0.20]
5.08 [0.20]
10.16 [0.40]
10.16 [0.40]
10.16 [0.40]
10.16 [0.40]
76.20 [3.00]
12.00 [0.47]
DIA 1.00 [0.04]
5.00 [0.20]
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
BURL AT 4 CORNER
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