DC-DC CONVERTER 21.5 ~ 25W KDD25 SERIES KDD25 – 12 S 01 WATTAGE 1: 2: 3: 5: 12 : 9~18V IN 24 : 18~36V IN 48 : 36~72V IN 5V OUT 12V OUT 15V OUT 3.3V OUT S : SINGLE OUTPUT D : DUAL OUTPUT MODEL LIST MODEL NO. INPUT VOLTAGE OUTPUT WATTAGE OUTPUT VOLTAGE OUTPUT CURRENT EFF. CASE (MIN.) Single Output Models KDD25 – 12S01 9~18 VDC 25 WATTS + 5 VDC 5000 mA 77% B KDD25 – 12S02 9~18 VDC 25 WATTS + 12 VDC 2100 mA 80% B KDD25 – 12S03 9~18 VDC 25 WATTS + 15 VDC 1700 mA 80% B KDD25 – 12S05 9~18 VDC 21.5 WATTS +3.3 VDC 6500 mA 75% B KDD25 – 24S01 18~36 VDC 25 WATTS + 5 VDC 5000 mA 79% B KDD25 – 24S02 18~36 VDC 25 WATTS + 12 VDC 2100 mA 81% B KDD25 – 24S03 18~36 VDC 25 WATTS + 15 VDC 1700 mA 81% B KDD25 – 24S05 18~36 VDC 21.5 WATTS +3.3 VDC 6500 mA 77% B KDD25 – 48S01 36~72 VDC 25 WATTS + 5 VDC 5000 mA 80% B KDD25 – 48S02 36~72 VDC 25 WATTS + 12 VDC 2100 mA 83% B KDD25 – 48S03 36~72 VDC 25 WATTS + 15 VDC 1700 mA 83% B KDD25 – 48S05 36~72 VDC 21.5 WATTS +3.3 VDC 6500 mA 78% B Dual Output Models KDD25 – 12D01 9~18 VDC 25 WATTS ± 5 VDC +4700/-300 mA 77% B KDD25 – 12D02 9~18 VDC 25 WATTS ± 12 VDC +1800/-300 mA 80% B KDD25 – 12D03 9~18 VDC 25 WATTS ± 15 VDC +1400/-300 mA 80% B KDD25 – 24D01 18~36 VDC 25 WATTS ± 5 VDC +4700/-300 mA 79% B KDD25 – 24D02 18~36 VDC 25 WATTS ± 12 VDC +1800/-300 mA 81% B KDD25 – 24D03 18~36 VDC 25 WATTS ± 15 VDC +1400/-300 mA 81% B KDD25 – 48D01 36~72 VDC 25 WATTS ± 5 VDC +4700/-300 mA 80% B KDD25 – 48D02 36~72 VDC 25 WATTS ± 12 VDC +1800/-300 mA 83% B KDD25 – 48D03 36~72 VDC 25 WATTS ± 15 VDC +1400/-300 mA 83% B 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 [email protected] DC-DC CONVERTER 21.5 ~ 25W KDD25 SERIES 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: .......... 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 [email protected] DC-DC CONVERTER 21.5 ~ 25W KDD25 SERIES MECHANISM & PIN CONFIGURATION mm [inch] PHYSICAL CHARACTERISTICS 70 x 70 x 23mm 2.76 x 2.76 x 0.91inches CASE SIZE CASE MATERIAL Metal WEIGHT 180 g PIN ASSIGMENT PIN NO. 1 2 3 4 5 6 7 SINGLE Vi+ Vi- Vo+ Vo+ Vo- Vo- N.C. DUAL Vi+ Vi- Vo+ Vo+ com com Vo- Derating: [TABLE 1] Power out [%] 100 NATURAL CONVECTION COOLING 0 -25 60 70 90 Ambient Temperture [℃] CHINFA ELECTRONICS IND., CO. LTD. ISO 9001 Certified www.chinfa.com [email protected]