WDD15U SERIES DC - DC CONVERTER 15W SINGLE & DUAL OUTPUT FEATURES ‧EFFICIENCY UP TO 84% ‧4:1 WIDE INPUT RANGE ‧I/O ISOLATION ‧INPUT Pi FILTER ‧SHORT CIRCUIT PROTECTION ‧HIGH PERFORMANCE ‧3 YEARS WARRANTY R H a UL 60950-1 EN 60950-1 MODEL LIST MODEL NO. INPUT EFF. EFF. CAPACITOR INPUT CURRENT OUTPUT OUTPUT OUTPUT LOAD VOLTAGE (typ.) (max.) WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.) Single Output Models WDD15 - 03S4U 9~36 VDC 0.79 A 2.2 A 15 WATTS +3.3 VDC 4500 mA 77% 79% 7000 μF WDD15 - 05S4U 9~36 VDC 0.79 A 2.2 A 15 WATTS + 5 VDC 3000 mA 78% 80% 7000 μF WDD15 - 12S4U 9~36 VDC 0.77 A 2.2 A 15 WATTS + 12 VDC 1250mA 80% 82% 470μF WDD15 - 15S4U 9~36 VDC 0.76 A 2.2 A 15 WATTS + 15 VDC 1000 mA 81% 83% 220μF WDD15 - 03S5U 18~75 VDC 0.39 A 1.1 A 15 WATTS +3.3 VDC 4500 mA 77% 79% 7000 μF WDD15 - 05S5U 18~75 VDC 0.39 A 1.1 A 15 WATTS + 5 VDC 3000 mA 79% 81% 7000 μF WDD15 - 12S5U 18~75 VDC 0.38 A 1.1 A 15 WATTS + 12 VDC 1250 mA 82% 84% 470μF WDD15 - 15S5U 18~75 VDC 0.38 A 1.1 A 15 WATTS + 15 VDC 1000 mA 82% 84% 220μF Dual Output Models WDD15 - 05D4U 9~36 VDC 0.79 A 2.2 A 15 WATTS ± 5 VDC ± 1500 mA 78% 80% ±470μF WDD15 - 12D4U 9~36 VDC 0.77 A 2.2 A 15 WATTS ± 12 VDC ± 630 mA 81% 83% ±100μF WDD15 - 15D4U 9~36 VDC 0.75 A 2.2 A 15 WATTS ± 15 VDC ± 500 mA 82% 84% ±100μF WDD15 - 05D5U 18~75 VDC 0.39 A 1.1 A 15 WATTS ± 5 VDC ± 1500 mA 80% 82% ±470μF WDD15 - 12D5U 18~75 VDC 0.38 A 1.1 A 15 WATTS ± 12 VDC ± 630 mA 82% 84% ±100μF WDD15 - 15D5U 18~75 VDC 0.38 A 1.1 A 15 WATTS ± 15 VDC ± 500 mA 82% 84% ±100μF 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 www.chinfa.com 2014.05.26 100KHz / 1V Vi nom, Io nom min. typ. max. 250 KHz 1,500 VDC MΩ 100 3.3V & 5V output models -40 12V, 15V & dual output models -40 unit 1,000 PF + 61 + 71 o C o C [email protected] P1 WDD15U SERIES SINGLE & DUAL OUTPUT SPECIFICATION o All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed GENERAL Characteristics Conditions Case temperature Operating at Vi nom, Io nom Derating Vi nom Non operational Vi nom, Io nom Storage temperature Relative humidity Temperature coefficient typ. min. unit +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 max. C % RH % / oC mm Hours 1,350,000 Free air convection INPUT SPECIFICATIONS Characteristics Input voltage range min. typ. max. unit 9 24 48 36 VDC 75 VDC 24V 20 mA 48V 15 mA 24V 40 80 VDC Conditions Ta min ...Ta max, Io nom 18 No load input current Vi nom, Io=0 Input voltage w/o damage Io nom Startup voltage Io nom 48V VDC 24V 8.5 VDC 48V 16 VDC Pi type Input filter OUTPUT SPECIFICATIONS Characteristics Conditions Output voltage accuracy Vi nom, Io nom Minimum load Vi nom Line regulation min. single output models 0 dual output models (each output) 10 typ. 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 3.3V & 5V 100 mV 12V, 15V & dual 3.3V 150 mV 5V, 12V, 15V & dual Efficiency ±2 % Vi nom, Io min ... Io nom, dual output models Cross regulation (Dual model) unit % Io nom, Vi min ...Vi max Vi nom, Io 0 ... Io nom, single output models Load regulation max. 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 : 2.5A, 48Vin : 1.25A) Output short circuit Current limited (Auto-recovery) Rated over load protection 110%min....140%max APPROVALS APPROVALSAND ANDSTANDARD STANDARD UL/cUL UL 60950-1 Recognized TUV EN 60950-1 CE EN 61204-3, EN 55022, Class A, EN 61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-6 meet IEC 60068-2-6 (10-500 Hz, 2G, along X, Y, Z each Axis, 60 min for each Axis) Vibration www.chinfa.com 2014.05.26 [email protected] P2 WDD15U 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 Potting material Silicone 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] 6 1 5.08 [0.20] 10.16 [0.40] 2 7 10.16 [0.40] DIA 1.00 [0.04] 40.64 [1.60] 10.16 [0.40] 17.78 [0.70] 10.16 [0.40] 4 8 GENERAL TOLERANCE 0.00[0.00] - 30.00[1.18] 30.00[1.18] - 120.00[4.72] ±0.30[0.01] 50.80 [2.00] ±0.50[0.02] 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 WDD15U series with dual output ‧Block diagram for WDD15U 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 + WDD15U Vin - Vo - C3 ‧The components used in the above figure, together with the manufacturer part numbers for these components, are as follows. WDD15-XXX4U WDD15-XXX5U www.chinfa.com 2014.05.26 C1 C2 C3 1μF / 50V MLCC 1μF / 50V MLCC InF / 2KV MLCC 3.3μF / 100V 3.3μF / 100V MLCC MLCC InF / 2KV MLCC L1 1.5mH Common Choke 3.5mH Common Choke [email protected] P3 WDD15U SERIES SINGLE & DUAL OUTPUT DERATING AND EFFICIENCY CURVE Temperature derating curve 100 Power out [ % ] 12V, 15V & dual Safe Operating Area 3.3V & 5V 0 -40 61 71 Ambient Temperature [ oC ] 100 82 90 81 85 Efficiency [ % ] Efficiency [ % ] Efficiency Vs Input Voltage WDD15-05S4U 80 79 78 20 22 24 26 28 30 32 34 80 75 70 65 Io : Full Load 77 18 Efficiency Vs Output Load WDD15-05S4U 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 Vo nom -2.5% Rext 2 Vo nom -5% Vo nom +2.5% Vo nom +5% WDD15-03SXU 680Ω 470Ω 8.2KΩ 3.75KΩ Type Vo nom -5% Vo nom -10% Vo nom +5% Vo nom +10% WDD15-05SXU 4.7KΩ 0Ω 4.7KΩ 390Ω WDD15-12SXU 43KΩ 12KΩ 5.1KΩ 180Ω WDD15-15SXU 130KΩ 51KΩ 10KΩ 820Ω WDD15-05DXU 27KΩ 10KΩ 5.6KΩ 0Ω WDD15-12DXU 100KΩ 47KΩ 8.66KΩ 680Ω WDD15-15DXU 270KΩ 120KΩ 18KΩ 2.7KΩ www.chinfa.com 2014.05.26 [email protected] P4