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| WDD20 SERIES DC-DC CONVERTER 15 ~ 20W WDD20 - 03 S 1 WATTAGE 03 05 12 15 : 3.3V OUT : 5V OUT : 12V OUT : 15V OUT 1: 9~18V IN 2: 18~36V IN 3: 36~72V IN S : SINGLE OUTPUT D : DUAL OUTPUT MODEL LIST MODEL NO. INPUT VOLTAGE 9~18 9~18 9~18 9~18 18~36 18~36 18~36 18~36 36~72 36~72 36~72 36~72 9~18 9~18 18~36 18~36 36~72 36~72 VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC OUTPUT WATTAGE OUTPUT VOLTAGE OUTPUT CURRENT 4500 4000 1670 1330 4500 4000 1670 1330 4500 4000 1670 1330 830 670 830 670 830 670 mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA mA Single Output Models 15 WATTS +3.3 VDC + 5 VDC 20 WATTS + 12 VDC 20 WATTS + 15 VDC 20 WATTS +3.3 VDC 15 WATTS + 5 VDC 20 WATTS + 12 VDC 20 WATTS + 15 VDC 20 WATTS +3.3 VDC 15 WATTS + 5 VDC 20 WATTS + 12 VDC 20 WATTS + 15 VDC 20 WATTS Dual Output Models WDD20 WDD20 WDD20 WDD20 WDD20 WDD20 * * * * * * * 12D1 15D1 12D2 15D2 12D3 15D3 20 20 20 20 20 20 WATTS WATTS WATTS WATTS WATTS WATTS 12 15 12 15 12 15 VDC VDC VDC VDC VDC VDC EFF. (TYP.) 80% 83% 86% 87% 80% 85% 86% 88% 80% 85% 87% 88% 85% 87% 87% 88% 87% 89% EFF. (MIN.) 77% 81% 84% 85% 78% 83% 84% 86% 78% 83% 85% 86% 83% 85% 85% 86% 85% 87% CASE WDD20 WDD20 WDD20 WDD20 WDD20 WDD20 WDD20 WDD20 WDD20 WDD20 WDD20 WDD20 - 03S1 05S1 12S1 15S1 03S2 05S2 12S2 15S2 03S3 05S3 12S3 15S3 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FEATURES LOW COST 2:1 WIDE INPUT RANGE I/O ISOLATION INPUT Pi FILTER SHORT CIRCUIT PROTECTION HIGH PERFORMANCE 2 YEARS WARRANTY DESCRIPTION THE WDD20 SERIES ARE 15 WATTS AND 20 WATTS SINGLE & DUAL OUTPUT DC/DC CONVERTERS, 2:1 WIDE INPUT RANGE WITH I/O ISOLATION AND SHORT CIRCUIT PROTECTION FEATURES MAKES IT SUITABLE USED ON VARIABLE APPLICATIONS WITH LOW COST. ALL WDD20 MODELS CONTAIN PI INPUT FILTER TO MINIMIZE REFLECTED RIPPLE & NOISE. ALL MODELS ARE PACKAGED IN 2" x 1.6" x 0.4" BLACK COATED METAL CASE, AND PCB MOUNTABLE DIRECTLY. CHINFA ELECTRONICS IND., CO. LTD. ISO 9001 Certified www.chinfa.com sales@chinfa.com WDD20 SERIES SPECIFICATION GENERAL SPECIFICATION * Switching frequency: ......................... * Isolation voltage: .............................. * Isolation resistance: .......................... * Operating ambient temperature: ......... * Storage temperature: ........................ * Max. Case temperature: ..................... * M.T.B.F.: .......................................... * Cooling: ........................................... * Temperature coefficient: .................... * Dimension: ...................................... DC-DC CONVERTER 15 ~ 20W All Specifications Typical At Nominal Line, Full Load, 25 Unless Otherwise Noticed 180KHz 1,500VDC 100M (min.) -25 to +71 -40 to +100 100 277,000Hrs at @ GF40, according to MIL-HDBK-217F Free air convection 0.02% / 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 CHINFA ELECTRONICS IND., CO. LTD. ISO 9001 Certified www.chinfa.com sales@chinfa.com WDD20 SERIES MECHANISM & PIN CONFIGURATION mm [inch] 50.80 [2.00] DC-DC CONVERTER 15 ~ 20W PHYSICAL CHARACTERISTICS CASE SIZE CASE MATERIAL WEIGHT 50.8 x 40.6 x 10.2mm 2 x 1.6 x 0.4inches Metal 60 g 10.16 [0.4] 5.00 [0.20] DIA 1.00 [0.04] 2.54 [0.10] 45.72 [1.80] 5.08 [0.20] 10.16 [0.40] 1 2 4 6 10.16 [0.40] 7 40.64 [1.60] 17.78 [0.70] 5.08 [0.20] 10.16 [0.40] 7.62 [0.30] 5 BOTTOM VIEW 8 10.16 [0.40] 50.80 [2.00] PIN ASSIGMENT PIN NO. SINGLE DUAL 1 Vi+ Vi+ 2 ViVi4 S.D. S.D. 5 NO PIN Vo+ 6 Vo+ com 7 VoVo8 Trim Trim S.D. : REMOTE ON/OFF Derating: [TABLE 1] 100 Power out [%] NATURAL CONVECTION COOLING 0 -25 60 70 100 Ambient Temperture [] CHINFA ELECTRONICS IND., CO. LTD. ISO 9001 Certified www.chinfa.com sales@chinfa.com |
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