DC-DC CONVERTER
KDD25 SERIES
21.5 ~ 25W
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: ...........................................
* Temperature coefficient: ....................
* Dimension: ......................................
80KHz
1,500VDC
1G Ω(min.)
-25 to +71℃
-40 to +85℃
90℃
389,000Hrs at @ GF40, according to MIL-HDBK-217F
Free air convection
±0.02% / ℃
70 x 70 x 23mm
INPUT SPECIFICATIONS
* Input voltage range / frequency: ..........
* Input filter: .......................................
* No load input current: ........................
* Max. Input voltage: ...........................
9 ~ 18VDC for 12V
18 ~ 36VDC for 24V
36 ~ 72VDC for 48V
Pi type
35mA for 12V in
30mA for 24V in
25mA for 12V in
20VDC for 12V in
40VDC for 24V in
75VDC for 48V in
OUTPUT SPECIFICATIONS
* Output voltage accuracy: ...................
* Minimum load: ..................................
* Line regulation: ................................
* Load regulation: ...............................
* Ripple & noise: .................................
* Efficiency: ........................................
* Derating: .........................................
* Case material: ..................................
±1 at Vo_nom
No load for single output models
±20% at Vo_nom for dual output models
±1% at Vo_nom
±2% at Vo_nom for single output models
±5% at Vo_nom for dual output models
Vout.x ±2%
Up to 83%, see model list
See table 1
Metal
CONTROL AND PROTECTION
* Input reversed: .................................
* Output short circuit: ..........................
Shunt diode use external fuse
Continuous