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| KDD25 SERIES DC-DC CONVERTER 21.5 ~ 25W KDD25 - 12 S 01 WATTAGE 1: 2: 3: 5: 5V OUT 12V OUT 15V OUT 3.3V OUT 12 : 9~18V IN 24 : 18~36V IN 48 : 36~72V IN S : SINGLE OUTPUT MODEL LIST MODEL NO. INPUT VOLTAGE OUTPUT WATTAGE OUTPUT VOLTAGE D : DUAL OUTPUT OUTPUT CURRENT EFF. CASE (MIN.) Single Output Models KDD25 - 12S01 KDD25 - 12S02 KDD25 - 12S03 KDD25 - 12S05 KDD25 - 24S01 KDD25 - 24S02 KDD25 - 24S03 KDD25 - 24S05 KDD25 - 48S01 KDD25 - 48S02 KDD25 - 48S03 KDD25 - 48S05 KDD25 - 12D01 KDD25 - 12D02 KDD25 - 12D03 KDD25 - 24D01 KDD25 - 24D02 KDD25 - 24D03 KDD25 - 48D01 KDD25 - 48D02 KDD25 - 48D03 9~18 VDC 9~18 VDC 9~18 VDC 9~18 VDC 18~36 VDC 18~36 VDC 18~36 VDC 18~36 VDC 36~72 VDC 36~72 VDC 36~72 VDC 36~72 VDC 9~18 VDC 9~18 VDC 9~18 VDC 18~36 VDC 18~36 VDC 18~36 VDC 36~72 VDC 36~72 VDC 36~72 VDC 25 WATTS 25 WATTS 25 WATTS 21.5 WATTS 25 WATTS 25 WATTS 25 WATTS 21.5 WATTS 25 WATTS 25 WATTS 25 WATTS 21.5 WATTS 25 WATTS 25 WATTS 25 WATTS 25 WATTS 25 WATTS 25 WATTS 25 WATTS 25 WATTS 25 WATTS + 5 VDC 5000 mA 2100 mA 1700 mA 6500 mA 5000 mA 2100 mA 1700 mA 6500 mA 5000 mA 2100 mA 1700 mA 6500 mA +4700/-300 mA +1800/-300 mA +1400/-300 mA +4700/-300 mA +1800/-300 mA +1400/-300 mA +4700/-300 mA +1800/-300 mA +1400/-300 mA 77% 80% 80% 75% 79% 81% 81% 77% 80% 83% 83% 78% 77% 80% 80% 79% 81% 81% 80% 83% 83% B B B B B B B B B B B B B B B B B B B B B + 12 VDC + 15 VDC +3.3 VDC + 5 VDC + 12 VDC + 15 VDC +3.3 VDC + 5 VDC + 12 VDC + 15 VDC +3.3 VDC 5 VDC Dual Output Models 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC FEATURES * 2:1 INPUT RANGE * ISOLATION INPUT AND OUTPUT 1.5KV DC * HIGH PERFORMANCE UP TO 84% * 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: ........................................... * Temperature coefficient: .................... * Dimension: ...................................... DC-DC CONVERTER 21.5 ~ 25W All Specifications Typical At Nominal Line, Full Load, 25 Unless Otherwise Noticed 80KHz 1,500VDC 1G (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: .......... 9 ~ 18VDC for 12V 18 ~ 36VDC for 24V 36 ~ 72VDC for 48V * Input filter: ....................................... Pi type * No load input current: ........................ 35mA for 12V in 30mA for 24V in 25mA for 12V in * Max. Input voltage: ........................... 20VDC for 12V in 40VDC for 24V in 75VDC for 48V in OUTPUT SPECIFICATIONS * Output voltage accuracy: ................... 1 at Vo_nom * Minimum load: .................................. No load for single output models 20% 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: ................................. Vout.x 2% * Efficiency: ........................................ Up to 83%, see model list * Derating: ......................................... See table 1 * Case material: .................................. Metal CONTROL AND PROTECTION * 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 KDD25 SERIES MECHANISM & PIN CONFIGURATION mm [inch] DC-DC CONVERTER 21.5 ~ 25W PHYSICAL CHARACTERISTICS CASE SIZE CASE MATERIAL WEIGHT 70 x 70 x 23mm 2.76 x 2.76 x 0.91inches Metal 180 g PIN ASSIGMENT PIN NO. SINGLE DUAL 1 Vi+ Vi+ 2 ViVi3 Vo+ Vo+ 4 Vo+ Vo+ 5 Vocom 6 Vocom 7 N.C. Vo- Derating: [TABLE 1] 100 Power out [%] NATURAL CONVECTION COOLING 0 -25 60 70 90 Ambient Temperture [] CHINFA ELECTRONICS IND., CO. LTD. ISO 9001 Certified www.chinfa.com sales@chinfa.com |
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