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| FDD25 SERIES DC - DC CONVERTER 20 ~ 30W SINGLE & DUAL OUTPUT FEATURES LOW COST 2:1 WIDE INPUT RANGE I/O ISOLATION INPUT Pi FILTER SHORT CIRCUIT PROTECTION HIGH PERFORMANCE 2 YEARS WARRANTY MODEL LIST MODEL NO. INPUT VOLTAGE 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 OUTPUT OUTPUT WATTAGE VOLTAGE Single Output Models 20 WATTS 25 WATTS 25 WATTS 25 WATTS 20 WATTS 25 WATTS 30 WATTS 30 WATTS 20 WATTS 25 WATTS 30 WATTS 30 WATTS +3.3 VDC + 5 VDC + 12 VDC + 15 VDC +3.3 VDC + 5 VDC + 12 VDC + 15 VDC +3.3 VDC + 5 VDC + 12 VDC + 15 VDC OUTPUT CURRENT 6000 mA 5000 mA 2100 mA 1700 mA 6000 mA 5000 mA 2500 mA 2000 mA 6000 mA 5000 mA 2500 mA 2000 mA EFF. (typ.) 80% 83% 86% 87% 80% 85% 86% 88% 80% 85% 87% 88% EFF. (min.) 77% 81% 84% 85% 78% 83% 84% 86% 78% 83% 85% 86% FDD25 - 03S1 FDD25 - 05S1 FDD25 - 12S1 FDD25 - 15S1 FDD25 - 03S2 FDD25 - 05S2 FDD25 - 12S2 FDD25 - 15S2 FDD25 - 03S3 FDD25 - 05S3 FDD25 - 12S3 FDD25 - 15S3 Dual Output Models FDD25 - 12D1 FDD25 - 15D1 FDD25 - 12D2 FDD25 - 15D2 FDD25 - 12D3 FDD25 - 15D3 9~18 VDC 9~18 VDC 18~36 VDC 18~36 VDC 36~72 VDC 36~72 VDC 25 WATTS 25 WATTS 30 WATTS 30 WATTS 30 WATTS 30 WATTS 12 VDC 15 VDC 12 VDC 15 VDC 12 VDC 15 VDC 1050 mA 850 mA 1250 mA 1000 mA 1250 mA 1000 mA 85% 87% 87% 88% 87% 89% 83% 85% 85% 86% 85% 87% www.chinfa.com 2007.08.30 sales@chinfa.com FDD25 SERIES SINGLE & DUAL OUTPUT CIRCUIT SCHEMATIC Block diagram for FDD25 series with single output Vi + Vo + Switching Device Rectifier Vi - Vo - PWM Controller ON / OFF Opto Isolation Reference & Error Amp. Trim Block diagram for FDD25 series with dual output Vi + Rectifier Vo + Switching Device Rectifier Vi - com Vo - PWM Controller Opto Isolation Reference & Error Amp. Trim ON / OFF www.chinfa.com 2007.08.30 sales@chinfa.com FDD25 SERIES SINGLE & DUAL OUTPUT SPECIFICATION All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed o GENERAL Characteristics Switching frequency Isolation voltage Isolation resistance Ambient temperature Case temperature Derating Storage temperature Dimension Cooling Case material Conditions Vi nom, Io nom Input / Output Input / Output, @ 500VDC Operating at Vi nom, Io nom Operating at Vi nom, Io nom Vi nom Non operational L50.8 x W50.8 x H11.9 Free air convection Metal min. 1,500 100 -25 typ. 180 max. unit KHz VDC M + 71 + 100 o o o C C See derating curve -40 %/ C + 100 C mm o INPUT SPECIFICATIONS Characteristics Input voltage range Conditions Ta min ... T max, Io nom a min. 9 18 36 typ. 12 48 24 48 max. 18 36 72 20 15 10 20 40 75 8.5 15 35 unit VDC VDC VDC mA mA mA VDC VDC VDC VDC VDC VDC No load input current Vi = nom Io = 0 12V models 24V models 48V models 12V models 24V models 48V models Input voltage w/o damage Io nom Startup voltage Io nom 12V models 24V models 48V models Input filter Pi type OUTPUT SPECIFICATIONS Characteristics Output voltage accuracy Minimum load Line regulation Load regulation Transient recovery time Temperature coefficient Ripple & noise Voltage trim range Efficiency Vi nom Conditions Vi nom, Io nom single output models dual output models (each output) min. 0 10 typ. max. 2 unit % % % Io nom, Vi min ...Vi max Vi nom, Io 0 ...Io nom, single output models Vi nom, Io min ...Io nom, dual output models 1 2 5 500 0.02 % % % S %/C mV mV % % o Vi nom, Io nom ... 1/2 Io nom Vi nom, Io nom Vi nom, Io nom, BW = 20MHz Vi nom, Io nom 3.3V & 5V models 12V, 15V & dual 100 150 5 10 Up to 89%, See model list 3.3V output models 5V, 12V, 15V & dual Vi nom, Io nom, Po / Pi www.chinfa.com 2007.08.30 sales@chinfa.com FDD25 SERIES SINGLE & DUAL OUTPUT SPECIFICATION All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed o CONTROL AND PROTECTION Remote ON / OFF Input reversed Output short circuit ON: opened or 5 ~ 10VDC applied, reference to input GND OFF: -0.3 ~ 2VDC applied, reference to input GND Shunt diode built in, external fuse recommended Continuous MECHANISM & PIN CONFIGURATION mm [inch] 45.72 [1.80] 2.54 [0.10] 10.16 [0.40] 22.86 [0.90] 5.08 [0.20] 10.16 [0.40] DIA 1.00 [0.04] 4 1 2 5 50.80 [2.00] 10.16 [0.40] 6 50.80 [2.00] 11.94 [0.47] 5.08 [0.20] 10.16 [0.40] 7 10.16 [0.40] 8 10.16 [0.40] 50.80 [2.00] BOTTOM VIEW PHYSICAL CHARACTERISTICS CASE SIZE CASE MATERIAL WEIGHT 50.8 x 50.8 x 11.9 mm 2 x 2 x 0.47 inches Metal 70 g PIN ASSIGNMENT GENERAL PIN NO. SINGLE DUAL 1 Vi+ Vi+ 2 Vi Vi 4 S. D. S. D. 5 NO PIN Vo + 6 Vo + com 7 Vo Vo 8 Trim Trim S.D. : REMOTE ON / OFF DERATING 100 Power out [ % ] NATURAL CONVECTION COOLING 0 -25 www.chinfa.com 2007.08.30 Ambient Temperature [ oC ] 71 100 sales@chinfa.com |
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