KDD25 SERIES
DC-DC CONVERTER
26.5 ~ 27.2W TRIPLE OUTPUT
KDD25 – 12 T 01
WATTAGE
12 : 9~18V IN
24 : 18~36V IN
48
:
36~72V IN
01:
+
5V/±12V OUT
02:
+5
V/±15V OUT
03: +5V/+12V/-5V OUT
T : TRIPLE OUTPUT
MODEL LIST
MODEL NO.
INPUT
VOLTAGE
OUTPUT
WATTAGE
OUTPUT
VOLTAGE
OUTPUT
CURRENT
EFF.
(MIN.)
CASE
Triple Output Models
KDD25 – 12T01
KDD25 – 12T02
KDD25 – 24T01
KDD25 – 24T02
KDD25 – 24T03
KDD25 – 48T01
KDD25 – 48T02
KDD25 – 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
27.2 WATTS
26.5 WATTS
27.2 WATTS
26.5 WATTS
+5V/±12V
+5V/±15V
+5V/±12V
+5V/±15V
+4000/±300 mA
+3500/±300 mA
+4000/±300 mA
+3500/±300 mA
+4000/±300 mA
+3500/±300 mA
76%
77%
77%
78%
78%
78%
79%
79%
C
C
C
C
C
C
C
C
25.1 WATTS +5V/+12V/-15V +4000/+300/-300 mA
27.2 WATTS
26.5 WATTS
+5V/±12V
+5V/±15V
25.1 WATTS +5V/+12V/-15V +4000/+300/-300 mA
FEATURES
* 2:1 INPUT RANGE
* ISOLATION INPUT AND OUTPUT 1.5KV DC
* HIGH PERFORMANCE UP TO 79%
* SHORT CIRCUIT PROTECTION
* 2 YEARS WARRANTY
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
KDD25 SERIES
SPECIFICATION
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: ......................................
DC-DC CONVERTER
26.5 ~ 27.2W TRIPLE OUTPUT
All Specifications Typical At Nominal Line, Full Load, 25
℃
Unless Otherwise Noticed
>80KHz
1,500VDC
>1G
Ω(min.)
-25 to +71℃
-40 to +85℃
85℃
389,000Hrs at @ GF40, according to MIL-HDBK-217F
Free air convection
500µS, 25% load step change
±0.02%
/
℃
70 x 100 x mm
INPUT SPECIFICATIONS
* Input voltage range / frequency: ........ 9 ~ 18VDC for 12V
18 ~ 36VDC for 24V
36 ~ 72VDC for 48V
* Input filter: ....................................... Pi type
OUTPUT SPECIFICATIONS
* Output voltage accuracy: ...................
±2%
±3%
for -5V_out
* Minimum load: ..................................
±20%
* Line regulation: ................................
±1%
at Vo_nom
* Load regulation: ...............................
±2%
for +5V
±5%
for
±12V
&
±15V
& +12V/±15V
* Ripple & noise: ................................. 20MHZ BM, Vout x
±1%
mV p-p
150mV p-p for -5Vout
* Efficiency: ........................................ Up to 79%, see model list
* Derating: ......................................... See table 1
* Case material: .................................. Metal
CONTROL AND PROTECTION
* Output short circuit: .......................... Continuous
CHINFA ELECTRONICS IND., CO. LTD.
ISO 9001 Certified
www.chinfa.com
sales@chinfa.com
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