
DC-DC CONVERTER 
50 ~ 60W  
HDD60 SERIES 
SPECIFICATION 
All Specifications Typical At Nominal Line, Full Load, 25
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: ...................................... 
INPUT SPECIFICATIONS 
* Input voltage range / frequency: ........
* Input filter: ....................................... 
OUTPUT SPECIFICATIONS 
* Output voltage accuracy: ................... 
* Minimum load: ................................. 
* Line regulation: ................................ 
* Load regulation: ............................... 
* Ripple & noise: ................................. 
* Efficiency: ........................................ 
* Voltage trim range: ........................... 
* Derating: ......................................... 
* Case material: .................................. 
CONTROL AND PROTECTION 
* Remote on/off: .................................  
* Output short circuit: .......................... 
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sales@chinfa.com 
 Unless Otherwise Noticed
℃
>80KHz (typ.) 
1,500VDC 
>1G 
(min.) 
-25 to +71
℃
-25 to +100
℃
95
℃
122,500Hrs at @ GF40, according to MIL-HDBK-217F 
Free air convection 
500μS, 25% load step change 
±
0.02% / 
℃
88.9 X 140 X 22.4mm
9 ~ 18VDC for 12V 
18 ~ 36VDC for 24V 
36 ~ 72VDC for 48V 
Pi type 
±
1% at Vo_nom 
No load for +5V, 20% for 
±
12V for triple 
±
1% at Vo_nom 
±
2% at Vo_nom for single output models 
±
2% at Vo_nom for dual output models 
±
1% mV (max.) 
Up to 86%, see model list 
±
10% at Vo_nom 
See table 1 
Metal 
ON : Open or +5.5VDC(Min.) 
OFF : +1.8VDC(Max.) 
Continuous