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KDD40 SERIES
DC - DC CONVERTER
33 ~ 48W SINGLE & DUAL & TRIPLE OUTPUT
FEATURES
2:1 INPUT RANGE
ISOLATION INPUT AND OUTPUT 1.5KV DC
HIGH PERFORMANCE UP TO 84%
SHORT CIRCUIT PROTECTION
2 YEARS WARRANTY
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(min.)
Single Output Models
Dual Output Models
KDD40 - 12S01
KDD40 - 12S02
KDD40 - 12S03
KDD40 - 12S04
KDD40 - 12S05
KDD40 - 24S01
KDD40 - 24S02
KDD40 - 24S03
KDD40 - 24S04
KDD40 - 24S05
KDD40 - 48S01
KDD40 - 48S02
KDD40 - 48S03
KDD40 - 48S04
KDD40 - 48S05
9~18 VDC
9~18 VDC
9~18 VDC
9~18 VDC
9~18 VDC
18~36 VDC
18~36 VDC
18~36 VDC
18~36 VDC
18~36 VDC
36~72 VDC
36~72 VDC
36~72 VDC
36~72 VDC
36~72 VDC
40 WATTS
42 WATTS
45 WATTS
48 WATTS
33 WATTS
40 WATTS
42 WATTS
45 WATTS
48 WATTS
33 WATTS
40 WATTS
42 WATTS
45 WATTS
48 WATTS
33 WATTS
+ 5 VDC
+ 12 VDC
+ 15 VDC
+3.3 VDC
+ 24 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+3.3 VDC
+ 24 VDC
+ 5 VDC
+ 12 VDC
+ 15 VDC
+3.3 VDC
+ 24 VDC
8000 mA
3500 mA
3000 mA
2000 mA
10000 mA
8000 mA
3500 mA
3000 mA
2000 mA
10000 mA
8000 mA
3500 mA
3000 mA
2000 mA
10000 mA
75%
78%
79%
80%
73%
79%
81%
81%
81%
77%
79%
81%
82%
84%
77%
KDD40 - 12D01
KDD40 - 12D02
KDD40 - 12D03
KDD40 - 24D01
KDD40 - 24D02
KDD40 - 24D03
KDD40 - 48D01
KDD40 - 48D02
KDD40 - 48D03
9~18 VDC
9~18 VDC
18~36 VDC
18~36 VDC
18~36 VDC
36~72 VDC
36~72 VDC
36~72 VDC
9~18 VDC
37.5 WATTS
42 WATTS
37.5 WATTS
42.5 WATTS
42 WATTS
37.5 WATTS
42.5 WATTS
42 WATTS
37.5 WATTS
5 VDC
12 VDC
15 VDC
5 VDC
12 VDC
15 VDC
5 VDC
12 VDC
15 VDC
+7000 / -500 mA
+3000 / -500 mA
+2000 / -500 mA
+8000 / -500 mA
+3000 / -500 mA
+2000 / -500 mA
+8000 / -500 mA
+3000 / -500 mA
+2000 / -500 mA
75%
78%
79%
77%
78%
80%
79%
81%
82%
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KDD40 SERIES
SINGLE & DUAL & TRIPLE OUTPUT
Block diagram for KDD40 series with dual output
com
Vi +
Vi -
Vo -
Vo +
Switching
Device
PWM
Controller
Opto -
Isolation
Reference &
Error Amp.
Block diagram for KDD40 series with triple output
Rectifier
Rectifier
Block diagram for KDD40 series with single output
CIRCUIT SCHEMATIC
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(min.)
Triple Output Models
KDD40 - 12T01
KDD40 - 12T02
KDD40 - 24T01
KDD40 - 24T02
KDD40 - 24T03
KDD40 - 48T01
KDD40 - 48T02
KDD40 - 48T03
9~18 VDC
9~18 VDC
18~36 VDC
18~36 VDC
18~36 VDC
36~72 VDC
36~72 VDC
36~72 VDC
42 WATTS
45 WATTS
42 WATTS
45 WATTS
38.5 WATTS
42 WATTS
45 WATTS
38.5 WATTS
+5V / 12V
+5V / 15V
+5V / 12V
+5V / 15V
+5V / +12V / -5V
+5V / 12V
+5V / 15V
+5V / +12V / -5V
+6000 / 500 mA
+6000 / 500 mA
+6000 / 500 mA
+6000 / 500 mA
+6A /+0.5A / -0.5A
+6000 / 500 mA
+6000 / 500 mA
76%
77%
77%
78%
78%
78%
79%
79%
Vo -
Vo +
Switching
Device
Opto -
Isolation
Reference &
Error Amp.
PWM
Controller
Vi +
Vi -
Rectifier
com
Vi +
Vi -
Vo -
Vo +
Switching
Device
PWM
Controller
Opto -
Isolation
Reference &
Error Amp.
Rectifier
Rectifier
Rectifier
+5V
+6A /+0.5A / -0.5A
com
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KDD40 SERIES
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
1G
Characteristics
Conditions
min.
unit
Output voltage accuracy
Vi nom,
Io nom
typ.
max.
80
48
Characteristics
Conditions
min.
typ.
max.
unit
Input voltage range
9
18
24
18
36
VDC
VDC
Ta min ... Ta max, Io nom
12
Minimum load
Vi nom
0
20
%
%
single output models
dual & triple (each output)
-25
o
C
+ 71
-25
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
+ 90
389,000
o
C
Derating
o
% / C
Vi nom
+ 90
o
C
No load input current
24V models
48V models
mA
mA
Vi nom, Io=0
Dimension
L70 x W100 x H23
Hrs
Cooling
Free air convection
Case material
Metal
mm
GENERAL
Operating at Vi nom, Io nom
Input voltage w/o damage
21
VDC
VDC
Io nom
40
Input filter
Pi type
INPUT SPECIFICATIONS
12V models
24V models
48V models
12V models
36
48
72
35
30
25
75
VDC
mA
VDC
See derating curve
%
1
%
%
%
Line regulation
Io nom, Vi min ...Vi max
%
1
%
Load regulation
Vi nom
Io min ... Io max
%
%
Vo+ of dual output models
2
2
Transient recovery time
500
S
o
% / C
Temperature coefficient
0.02
Ripple & noise
mV
Vout x 1%
Efficiency
Vi nom, Io nom, Po / Pi
Up to 84%, See model list
OUTPUT SPECIFICATIONS
single output models
dual & triple output models
-5V of triple output
25% load, step changed
Vi nom, Io nom
Vi nom, Io nom, BW = 20MHz
single output models
Vo- of dual output models
+5V of triple output
slave of triple output
-5V of triple output
2
3
5
2
5
150
%
%
%
mV
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
SINGLE & DUAL & TRIPLE OUTPUT
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sales@chinfa.com
KDD40 SERIES
MECHANISM & PIN CONFIGURATION
PHYSICAL CHARACTERISTICS
CASE SIZE
CASE MATERIAL
WEIGHT
70 x 100 x 23 mm 2.76 x 3.94 x 0.91 inches
Metal
270 g
PIN ASSIGNMENT
PIN NO.
SINGLE
Vi+
Vi -
DERATING
NATURAL
CONVECTION
COOLING
0
100
o
Ambient Temperature [ C ]
71
90
-25
P
o
w
e
r
o
u
t
[
%
]
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
CONTROL AND PROTECTION
GENERAL
N. C.
Vo -
4
1
Vo +
Vo +
com
Vo -
Vo -
TRIPLE
Vi+
Vi -
+5V OUT
com
Vo +
com
Vo -
SINGLE & DUAL & TRIPLE OUTPUT
100.00 [3.94]
DIA 1.50 [0.06]
23.00 [0.91]
4.50 [0.18]
BOTTOM VIEW
2
3
5
6
7
1
4
15.00 [0.59]
10.00 [0.39]
10.00 [0.39]
10.00 [0.39]
10.00 [0.39]
15.00 [0.59]
25.00 [0.98]
20.00 [0.79]
82.50 [3.25]
10.00 [0.39]
7.50 [0.30]
o
All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed
SPECIFICATION
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