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