DC-DC CONVERTER
KDD25 SERIES
26.5 ~ 27.2W TRIPLE OUTPUT
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
KDD25 12 T 01
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(MIN.) CASE
Triple Output Models
KDD25 12T01
9~18 VDC
27.2 WATTS
+5V/12V
+4000/300 mA 76%
C
KDD25 12T02
9~18 VDC
26.5 WATTS
+5V/15V
+3500/300 mA 77% C
KDD25 24T01
18~36 VDC
27.2 WATTS
+5V/12V
+4000/300 mA 77%
C
KDD25 24T02
18~36 VDC
26.5 WATTS
+5V/15V
+3500/300 mA 78% C
KDD25 24T03
18~36 VDC
25.1 WATTS +5V/+12V/-15V +4000/+300/-300 mA 78% C
KDD25 48T01
36~72 VDC
27.2 WATTS
+5V/12V
+4000/300 mA 78%
C
KDD25 48T02
36~72 VDC
26.5 WATTS
+5V/15V
+3500/300 mA 79% C
KDD25 48T03
36~72 VDC
25.1 WATTS +5V/+12V/-15V +4000/+300/-300 mA 79% C
FEATURES
* 2:1 INPUT RANGE
* ISOLATION INPUT AND OUTPUT 1.5KV DC
* HIGH PERFORMANCE UP TO 79%
* SHORT CIRCUIT PROTECTION
* 2 YEARS WARRANTY
12 :
9~18V IN
24 : 18~36V IN
48
:
36~72V IN
T : TRIPLE OUTPUT
WATTAGE
01:
+
5V/12V OUT
02:
+5
V/15V OUT
03: +5V/+12V/-5V OUT
DC-DC CONVERTER
KDD25 SERIES
26.5 ~ 27.2W TRIPLE OUTPUT
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25 Unless Otherwise Noticed
GENERAL SPECIFICATION
* Switching frequency: .........................
* Isolation voltage: ..............................
* Isolation resistance: ..........................
* Operating ambient temperature: .........
* Storage temperature: ........................
* Max. Case temperature: .....................
* M.T.B.F.: ..........................................
* Cooling: ...........................................
* Transient recovery time: ....................
* Temperature coefficient: ....................
* Dimension: ......................................
>80KHz
1,500VDC
>1G (min.)
-25 to +71
-40 to +85
85
389,000Hrs at @ GF40, according to MIL-HDBK-217F
Free air convection
500S, 25% load step change
0.02% /
70 x 100 x mm
INPUT SPECIFICATIONS
* Input voltage range / frequency: ........
* Input filter: .......................................
9 ~ 18VDC for 12V
18 ~ 36VDC for 24V
36 ~ 72VDC for 48V
Pi type
OUTPUT SPECIFICATIONS
* Output voltage accuracy: ...................
* Minimum load: ..................................
* Line regulation: ................................
* Load regulation: ...............................
* Ripple & noise: .................................
* Efficiency: ........................................
* Derating: .........................................
* Case material: ..................................
2%
3% for -5V_out
20%
1% at Vo_nom
2% for +5V
5% for 12V & 15V & +12V/15V
20MHZ BM, Vout x 1% mV p-p
150mV p-p for -5Vout
Up to 79%, see model list
See table 1
Metal
CONTROL AND PROTECTION
* Output short circuit: ..........................
Continuous
DC-DC CONVERTER
KDD25 SERIES
26.5 ~ 27.2W TRIPLE OUTPUT
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
MECHANISM & PIN CONFIGURATION
mm [inch]
PHYSICAL CHARACTERISTICS
PIN ASSIGMENT
PIN NO.
1
2
3
4
5
6
7
TRIPLE
Vi+ Vi-
+5V
OUT
com Vo+ com Vo-
Derating:
[TABLE 1]
Powe
r ou
t
[
%
]
0
100
NATURAL
CONVECTION
COOLING
Ambient Temperture []
-25
70
85
60
CASE SIZE
70 x 100 x23mm
2.76 x 3.94 x 0.91inches
CASE MATERIAL
Metal
WEIGHT 270
g
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