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TDD40 SERIES
DC - DC CONVERTER
33 ~ 42W SINGLE & DUAL OUTPUT
FEATURES
LOW
COST
I/O
ISOLATION
INPUT Pi FILTER
SHORT CIRCUIT PROTECTION
HIGH
PERFORMANCE
2 YEARS WARRANTY
2:1 AND 3:1 WIDE INPUT RANGE
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(min.)
12 VDC
15 VDC
12 VDC
15 VDC
+3.3 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+3.3 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
Single Output Models
Dual Output Models
18~60 VDC
18~60 VDC
18~60 VDC
18~60 VDC
35~75 VDC
35~75 VDC
35~75 VDC
35~75 VDC
18~60 VDC
18~60 VDC
35~75 VDC
35~75 VDC
40 WATTS
42 WATTS
40 WATTS
42 WATTS
1700 mA
1400 mA
1700 mA
1400 mA
84%
84%
84%
84%
TDD40 - 03S2
TDD40 - 05S2
TDD40 - 12S2
TDD40 - 15S2
TDD40 - 03S3
TDD40 - 05S3
TDD40 - 12S3
TDD40 - 15S3
TDD40 - 12D2
TDD40 - 15D2
TDD40 - 12D3
TDD40 - 15D3
33 WATTS
40 WATTS
42 WATTS
42 WATTS
33 WATTS
40 WATTS
42 WATTS
42 WATTS
10000 mA
8000 mA
3500 mA
2800 mA
10000 mA
8000 mA
3500 mA
2800 mA
76%
82%
85%
85%
76%
82%
85%
85%
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TDD40 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
6
%
%
%
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
Non operational
-40
+ 100
+ 100
o
C
Derating
o
% / C
Vi nom
No load input current
24V models
48V models
mA
mA
Vi nom, Io=0
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
Vi nom,
Io nom
3.3V & 5V output models
12V, 15V & dual output models
-25
Dimension
L50.8 x W76.2 x H24
Case material
Metal
mm
GENERAL
+ 71
o
C
Input filter
Pi type
INPUT SPECIFICATIONS
10
15
OUTPUT SPECIFICATIONS
Vi nom, Io nom ...1/2 Io nom
2
5
See derating curve
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
Startup voltage
VDC
Io nom
24V models
48V models
30
16
VDC
Cooling
Free air convection
Hrs
M.T.B.F.
According to MIL-HDBK-217F, GF40
218,000
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Ripple & noise
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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TDD40 SERIES
SINGLE & DUAL OUTPUT
MECHANISM & PIN CONFIGURATION
PHYSICAL CHARACTERISTICS
CASE SIZE
CASE MATERIAL
WEIGHT
50.8 x 76.2 x 24 mm 2 x 3 x 0.94 inches
Metal
175 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
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
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]
12.00 [0.47]
5.00 [0.20]
DIA 1.00 [0.04]
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