WDD20-03S1 データシートの表示（PDF） - Unspecified
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WDD20-03S1 Datasheet PDF : 3 Pages
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WDD20 SERIES
DC-DC CONVERTER
15 ~ 20W
SPECIFICATION
All Specifications Typical At Nominal Line, Full Load, 25℃ Unless Otherwise Noticed
GENERAL SPECIFICATION
* Switching frequency: ......................... 180KHz
* Isolation voltage: .............................. 1,500VDC
* Isolation resistance: .......................... 100M Ω(min.)
* Operating ambient temperature: ......... -25 to +71℃
* Storage temperature: ........................ -40 to +100℃
* Max. Case temperature: ..................... 100℃
* M.T.B.F.: .......................................... 277,000Hrs at @ GF40, according to MIL-HDBK-217F
* Cooling: ........................................... Free air convection
* Temperature coefficient: .................... ±0.02% / ℃
* Dimension: ...................................... 50.8 x 40.6 x 10.2mm
INPUT SPECIFICATIONS
* Input voltage range / frequency: ........ 9 ~ 18VDC for 12V
18 ~ 36VDC for 24V
36 ~ 72VDC for 48V
* Input filter: ....................................... Pi type
* No load input current: ........................ 20mA for 12V in
15mA for 24V in
10mA for 48V in
* Max. Input voltage: ........................... 20VDC for 12V in
40VDC for 24V in
75VDC for 48V in
* Startup voltage: .................................8.5VDC for 12V in
15VDC for 24V in
33VDC for 48V in
OUTPUT SPECIFICATIONS
* Output voltage accuracy: ................... ±2% at Vo_nom
* Minimum load: .................................. No load for single output models
±10% at Vo_nom for dual output models
* Line regulation: ................................ ±1% at Vo_nom
* Load regulation: ............................... ±2% at Vo_nom for single output models
±5% at Vo_nom for dual output models
* Ripple & noise: ................................. 150mV (max.)
* Efficiency: ........................................ Up to 89%, see model list
* Voltage trim range: ........................... Vout x 10%
Vout x 5% for 3.3 Vout
* Derating: ......................................... See table 1
* Case material: .................................. Metal
CONTROL AND PROTECTION
* Remote on/off: ................................. ON : open or 8 ~ 10VDC
OFF : -0.3 ~ 2VDC
* Input reversed: ................................. Shunt diode use external fuse
* Output short circuit: .......................... Continuous
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