WDD15 SERIES DC - DC CONVERTER 12 ~ 15W SINGLE & DUAL OUTPUT FEATURES O n/o ff ‧EFFICIENCY UP TO 84% ‧4:1 WIDE INPUT RANGE ‧I/O ISOLATION ‧INPUT Pi FILTER ‧SHORT CIRCUIT PROTECTION ‧HIGH PERFORMANCE ‧2 YEARS WARRANTY MODEL LIST MODEL NO. INPUT EFF. CAPACITOR INPUT OUTPUT OUTPUT OUTPUT EFF. LOAD CURRENT VOLTAGE WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.) (typ.) Single Output Models WDD15 - 03S4 10~36 VDC 0.63 A 12 WATTS +3.3 VDC 3600 mA 77% 80% 7000 μF WDD15 - 05S4 10~36 VDC 0.78 A 15 WATTS + 5 VDC 3000 mA 79% 81% 7000 μF WDD15 - 12S4 10~36 VDC 0.75 A 15 WATTS + 12 VDC 1250 mA 81% 83% 470μF WDD15 - 15S4 10~36 VDC 0.75 A 15 WATTS + 15 VDC 1000 mA 81% 83% 220μF WDD15 - 03S5 18~72 VDC 0.32 A 12 WATTS +3.3 VDC 3600 mA 77% 80% 7000 μF WDD15 - 05S5 18~72 VDC 0.39 A 15 WATTS + 5 VDC 3000 mA 79% 81% 7000 μF WDD15 - 12S5 18~72 VDC 0.37 A 15 WATTS + 12 VDC 1250 mA 82% 84% 470μF WDD15 - 15S5 18~72 VDC 0.38 A 15 WATTS + 15 VDC 1000 mA 80% 82% 220μF Dual Output Models WDD15 - 12D4 10~36 VDC 0.78 A 15 WATTS ± 12 VDC ± 630 mA 80% 82% ± 1000μF WDD15 - 15D4 10~36 VDC 0.78 A 15 WATTS ± 15 VDC ± 500 mA 79% 81% ± 1000μF WDD15 - 12D5 18~72 VDC 0.39 A 15 WATTS ± 12 VDC ± 630 mA 80% 82% ± 1000μF WDD15 - 15D5 18~72 VDC 0.38 A 15 WATTS ± 15 VDC ± 500 mA 79% 81% ± 1000μF www.chinfa.com 2010.02.09 [email protected] P1 WDD15 SERIES SINGLE & DUAL OUTPUT SPECIFICATION o All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed GENERAL Characteristics Conditions Switching frequency Isolation voltage Vi nom, Io nom Input - Output Isolation resistance Isolation capacitance Input - Output, @ 500VDC Ambient temperature 100KHz / 1V Vi nom, Io nom VDC MΩ 100 1000 3.3V & 5V output models -25 12V, 15V & dual output models -25 Derating Vi nom Non operational Vi nom, Io nom + 61 + 71 PF o C o C +100 o -40 +100 o 20 95 C See derating curve Vi nom, Io min ± 0.02 L50.8 x W40.64 x H10.16 Dimension Be1lcore issue 6@40 oC, GB MTBF Cooling unit KHz 1500 Operating at Vi nom, Io nom Temperature coefficient max. 230 Case temperature Storage temperature Relative humidity typ. min. C % RH % / oC mm Hours 1270000 Free air convection INPUT SPECIFICATIONS Characteristics Input voltage range Conditions Ta min ...Ta max, Io nom min. typ. 10 24 48 Vi nom, Io=0 Input voltage w/o damage Io nom Startup voltage Io nom unit 36 VDC 72 VDC 24V models 15 mA 48V models 10 mA 24V models 40 75 VDC 18 No load input current max. 48V models VDC 24V models 9.5 VDC 48V models 16 VDC Pi type Input filter OUTPUT SPECIFICATIONS Characteristics Conditions Output voltage accuracy Vi nom, Io nom Minimum load Vi nom typ. % 10 % Vi nom, Io min ... Io nom, dual output models Cross regulation (Dual model) Aymmetrical load 10% - 100% FL Startup time Transient recovery time Vi nom, Io nom Ripple & noise Voltage trim range 1) Vi nom, 1~0.5 Io nom Vi nom, Io nom, BW = 20MHz Vi nom ±1 % ±2 ±5 % ±5 30 % ms % 500 μs 3.3V & 5V models 100 mV 12V, 15V & dual 3.3V model 150 mV 5V, 12V, 15V & dual Efficiency unit % 0 Io nom, Vi min ...Vi max Vi nom, Io 0 ... Io nom, single output models Load regulation max. ±2 single output models dual output models (each output) Line regulation min. Vi nom, Io nom, Po / Pi ± 5 % % ±10 Up to 84%, See model list and efficiency curve NOTE 1 : Pls refer to Fig 1 & Table 1 for connection and resistance recommended. CONTROL AND PROTECTION Remote ON / OFF ON : opened or 8 ~ 10VDC applied, reference to input GND OFF : -0.3 ~ 2VDC applied, reference to input GND Input reversed Shunt diode built in, external fuse recommended (24Vin : 2A, 48Vin : 1A) Output short circuit Current limited (Auto-recovery) Rated over load protection 110%min....140%max www.chinfa.com 2010.02.09 [email protected] P2 WDD15 SERIES SINGLE & DUAL OUTPUT PHYSICAL CHARACTERISTICS Case size 50.8 x 40.64 x 10.16 mm (2 x 1.6 x 0.4 inches) Case material Plastic base / Metal case Weight 60 g Patting material Epoxy MECHANISM & PIN CONFIGURATION mm [inch] 2.54 [0.10] 45.72 [1.80] 5.08 [0.20] 5 10.16 [0.4] 6.00 [0.24] 30.00[1.18] - 120.00[4.72] ±0.50[0.02] 7 10.16 [0.40] 4 GENERAL TOLERANCE ±0.30[0.01] 10.16 [0.40] 2 10.16 [0.40] DIA 1.00 [0.04] 0.00[0.00] - 30.00[1.18] 6 1 5.08 [0.20] 40.64 [1.60] 10.16 [0.40] 17.78 [0.70] 8 50.80 [2.00] BOTTOM VIEW PIN ASSIGNMENT GENERAL PIN NO. 1 2 4 5 6 7 8 SINGLE Vi+ Vi - ON / OFF NO PIN Vo + Vo - Trim DUAL Vi+ Vi - ON / OFF Vo + com Vo - Trim CIRCUIT SCHEMATIC ‧Block diagram for WDD15 series with dual output ‧Block diagram for WDD15 series with single output Vo + Vi + Vo + Vi + Rectifier Switching Device com Switching Device Rectifier Rectifier Vo - Vi - PWM Controller Opto Isolation Reference & Error Amp. PWM Controller Trim ON / OFF Vo - Vi - Opto Isolation Reference & Error Amp. Trim ON / OFF RECOMMENDED CIRCUIT ‧Recommended filter for EN55022 Class B compliance ‧Recommended EN 55022 Class B filter circuit layout. L1 + Vin + C1 C2 Vo + WDD15 Vin - Vo - C3 ‧The commponents used in the above figure, together with the manufacturer part numbers for these components, are as follows. C1 WDD15-XXX4 WDD15-XXX5 www.chinfa.com 2010.02.09 1μF / 50V MLCC C2 1μF / 50V MLCC 3.3μF / 100V 3.3μF / 100V MLCC MLCC C3 InF / 2KV MLCC InF / 2KV MLCC L1 1.5mH Common Choke 3.5mH Common Choke [email protected] P3 WDD15 SERIES SINGLE & DUAL OUTPUT DERATING AND EFFICIENCY CURVE Temperature derating curve 100 Power out [ % ] 12V, 15V & dual NATURAL CONVECTION COOLING 0 -25 3.3V & 5V 61 71 Ambient Temperature [ oC ] 100 Efficiency Vs Input Voltage WDD15-05S4 90 83 85 Efficiency [ % ] 82 Efficiency [ % ] Efficiency Vs Output Load WDD15-05S4 81 80 79 20 22 24 26 28 30 32 34 75 70 65 Io : Full Load 78 18 80 60 36 Vi : 24VDC 10 20 30 40 Input Voltage (V) 50 60 70 80 90 100 Output Load (%) Fig. 1 Trim connection ( For Single output ) 6 7 8 ( For Dual output ) Vo + Rext 1 Vo - Trim 6 7 8 Vo + Vo Rext 2 5 Vo + 5 Vo + 6 com 6 com 7 Vo - 7 Vo - 8 Trim 8 Trim Rext 1 Rext 2 Trim Table 1 Typical resistor values for various output voltage adjustment settings Type Rext 1 Rext 2 Vo nom -2.5% Vo nom -5% Vo nom +2.5% Vo nom +5% WDD15-03SX 750Ω 510Ω 8.66KΩ 3.9KΩ Type Vo nom -5% Vo nom -10% Vo nom +5% Vo nom +10% WDD15-05SX 4.7KΩ 0Ω 4.7KΩ 470Ω WDD15-12SX 47KΩ 15KΩ 5.6KΩ 200Ω WDD15-15SX 150KΩ 56KΩ 12KΩ 1KΩ WDD15-12DX 130KΩ 51KΩ 10KΩ 750Ω WDD15-15DX 330KΩ 150KΩ 20KΩ 3KΩ www.chinfa.com 2010.02.09 [email protected] P4