FDD03 SERIES DC - DC CONVERTER 2 ~ 3W SINGLE & DUAL OUTPUT FEATURES LOW COST 4:1 & 3:1 & 2:1 WIDE INPUT RANGE I/O ISOLATION SHORT CIRCUIT PROTECTION HIGH EFFICIENCY UP TO 73% MODEL LIST OUTPUT CURRENT EFF. (min.) + 5 VDC 500 mA 68% + 12 VDC 250 mA 70% WATTS + 15 VDC 200 mA 70% WATTS + 5 VDC 400 mA 63% 2.4 WATTS + 12 VDC 200 mA 65% 2.2 WATTS + 15 VDC 150 mA 65% 2.5 WATTS + 5 VDC 500 mA 68% 18~36 VDC 3 WATTS + 12 VDC 250 mA 70% 18~36 VDC 3 WATTS + 15 VDC 200 mA 70% FDD03 - 05S3 36~72 VDC 2.5 WATTS + 5 VDC 500 mA 68% FDD03 - 12S3 36~72 VDC 3 WATTS + 12 VDC 250 mA 70% FDD03 - 15S3 36~72 VDC 3 WATTS + 15 VDC 200 mA 70% FDD03 - 05S4 9~36 VDC 2.5 WATTS + 5 VDC 500 mA 68% FDD03 - 12S4 9~36 VDC 3 WATTS + 12 VDC 250 mA 70% FDD03 - 15S4 9~36 VDC 3 WATTS + 15 VDC 200 mA 70% FDD03 - 05S5 18~72 VDC 2.5 WATTS + 5 VDC 500 mA 68% FDD03 - 12S5 18~72 VDC 3 WATTS + 12 VDC 250 mA 70% FDD03 - 15S5 18~72 VDC 3 WATTS + 15 VDC 200 mA 70% MODEL NO. INPUT VOLTAGE FDD03 - 05S 20~60 VDC 2.5 WATTS FDD03 - 12S 20~60 VDC 3 WATTS FDD03 - 15S 20~60 VDC 3 FDD03 - 05S1 9~18 VDC 2 FDD03 - 12S1 9~18 VDC FDD03 - 15S1 9~18 VDC FDD03 - 05S2 18~36 VDC FDD03 - 12S2 FDD03 - 15S2 www.chinfa.com OUTPUT OUTPUT WATTAGE VOLTAGE Single Output Models [email protected] FDD03 SERIES SINGLE & DUAL OUTPUT MODEL LIST MODEL NO. INPUT VOLTAGE FDD03 - 05D 20~60 VDC 2.5 WATTS FDD03 - 12D 20~60 VDC FDD03 - 15D 20~60 VDC 3 3 WATTS WATTS FDD03 - 05D1 9~18 VDC 2 FDD03 - 12D1 9~18 VDC FDD03 - 15D1 9~18 VDC 2.4 WATTS FDD03 - 05D2 18~36 VDC 2.5 WATTS FDD03 - 12D2 18~36 VDC 3 FDD03 - 15D2 18~36 VDC 3 FDD03 - 05D3 OUTPUT OUTPUT WATTAGE VOLTAGE Dual Output Models OUTPUT CURRENT EFF. (min.) 5 VDC 250 mA 70% 12 VDC 125 mA 72% 15 VDC 100 mA 73% WATTS 5 VDC 200 mA 65% 2.4 WATTS 12 VDC 100 mA 67% 15 VDC 80 mA 67% 5 VDC 250 mA 70% WATTS 12 VDC 125 mA 72% WATTS 15 VDC 100 mA 73% 36~72 VDC 2.5 WATTS 5 VDC 250 mA 70% FDD03 - 12D3 36~72 VDC 3 WATTS 12 VDC 125 mA 72% FDD03 - 15D3 36~72 VDC 3 WATTS 15 VDC 100 mA 73% FDD03 - 05D4 9~36 VDC 2.5 WATTS 5 VDC 250 mA 70% FDD03 - 12D4 9~36 VDC 3 WATTS 12 VDC 125 mA 72% FDD03 - 15D4 9~36 VDC 3 WATTS 15 VDC 100 mA 73% FDD03 - 05D5 18~72 VDC 2.5 WATTS 5 VDC 250 mA 70% FDD03 - 12D5 18~72 VDC 3 WATTS 12 VDC 125 mA 72% FDD03 - 15D5 18~72 VDC 3 WATTS 15 VDC 100 mA 73% CIRCUIT SCHEMATIC Block diagram for FDD03 series with single output Vi + Vo + Rectifier Switching Device Vi - Vo - Control Opto Isolation Reference & Error Amp. Block diagram for FDD03 series with dual output Vi + Vo + Rectifier Switching Device Rectifier Vi - Control www.chinfa.com com Opto Isolation Vo - Reference & Error Amp. [email protected] FDD03 SERIES SINGLE & DUAL OUTPUT SPECIFICATION o All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed GENERAL Characteristics Conditions min. typ. max. unit Switching frequency Vi nom, Io nom 50 KHz Isolation voltage Input / Output 1,500 VDC Isolation resistance Input / Output, @ 500VDC 1G Ambient temperature Operating at Vi nom, Io nom -25 Case temperature Operating at Vi nom, Io nom Derating Vi nom Storage temperature Non operational M.T.B.F. According to MIL-HDBK-217F, GF40 Dimension L20.3 x W31.8 x H12.7 Cooling Free air convection Case material Plastic + 71 o + 90 o C C % / oC See derating curve -40 o +100 C 896,100 Hrs mm INPUT SPECIFICATIONS Characteristics Input voltage range No load input current Input voltage w/o damage Conditions Ta min ...Ta max, Io nom Vi nom, Io = 0 Io nom min. 2:1 models typ. max. unit 9 12 18 VDC 18 24 36 VDC 36 48 72 VDC 3:1 models 20 48 60 VDC 4:1 models 9 24 36 VDC 18 48 72 VDC 12V models 18 mA 24V models 12 mA 48V models 8 mA 12V models 20 VDC 24V models 40 VDC 48V models 75 VDC OUTPUT SPECIFICATIONS Characteristics Conditions Output voltage accuracy Vi nom, Io nom Minimum load Vi nom min. typ. max. % 2 single output models dual output models (each output) unit 0 % 20 % Line regulation Io nom, Vi min ...Vi max 1 % Load regulation Vi nom, Io 0 ...Io nom, single output models 2 % 5 % 0.02 % / oC Vi nom, Io min ...Io nom, dual output models Temperature coefficient Vi nom, Io nom Ripple & noise Vi nom, Io nom, BW = 20MHz Efficiency Vi nom, Io nom, Po / Pi Vout x 2% mV Up to 73%, See model list CONTROL AND PROTECTION Input reversed Shunt diode built in, external fuse recommended Output short circuit Continuous www.chinfa.com [email protected] FDD03 SERIES SINGLE & DUAL OUTPUT APPLICATION CIRCUIT C2 14 15 16 Vi + Vo + 11 10 10 TAN C2 22 23 14 15 16 22 23 Vi+ C1 9 Vi - C1 3 2 Vi- 11 10 9 b. DUAL OUTPUT MODELS : (BOTTOM VIEW) 3 2 a. SINGLE OUTPUT MODELS : (BOTTOM VIEW) 10 Vo G Vo + Vo - NOTE: a. C1=4.7 F /100V, C2=10 F b. C1 MUST BE ADDED WHEN APPLICATION . c. C2 OPTIONAL TO MINIMIZE THE R&N <100mV . d. MAX. 80% LOAD WHEN INPUT VOLTAGE AT 9-11VDC FOR 9-36VDC INPUT MODELS & 18-21VDC FOR 18-72VDC INPUT MODELS . MECHANISM & PIN CONFIGURATION 31.75 [1.25] mm [inch] 20.32 [0.80] 2 3 9 1011 23 22 16 15 14 15.24 [0.60] 12.70 [0.50] DIA 0.50 [0.02] 2.54 [0.10] 5.08 [0.20] BOTTOM VIEW PHYSICAL CHARACTERISTICS 20.3 x 31.8 x 12.7 mm 0.8 x 1.25 x 0.5 inches CASE SIZE CASE MATERIAL Plastic WEIGHT 15 g PIN ASSIGNMENT GENERAL 16 PIN NO. 2&3 9 10&15 11 SINGLE Vi - N. C. N. C. N. C. Vo+ Vo - Vi+ DUAL Vi - com N. C. Vo- Vo+ com Vi+ 14 22&23 DERATING Power out [ % ] 100 NATURAL CONVECTION COOLING 0 -25 www.chinfa.com Ambient Temperature [ oC ] 71 90 [email protected]