TDD15 SERIES DC - DC CONVERTER 12 ~ 15W SINGLE & DUAL OUTPUT FEATURES ‧EFFICIENCY UP TO 87% ‧2:1 WIDE INPUT RANGE ‧I/O ISOLATION ‧INPUT Pi FILTER ‧SHORT CIRCUIT PROTECTION ‧HIGH PERFORMANCE ‧2 YEARS WARRANTY MODEL LIST MODEL NO. INPUT EFF. EFF. CAPACITOR INPUT OUTPUT OUTPUT OUTPUT LOAD CURRENT VOLTAGE WATTAGE VOLTAGE CURRENT (min.) (typ.) (max.) (typ.) Single Output Models +3.3 VDC 3600 mA 77% 79% 3500 μF 15 WATTS + 5 VDC 3000 mA 79% 81% 3500 μF 15 WATTS + 12 VDC 1250 mA 80% 82% 2200 μF 15 WATTS + 15 VDC 1000 mA 83% 85% 2200 μF 0.31 A 12 WATTS +3.3 VDC 3600 mA 78% 80% 3500 μF 0.37 A 15 WATTS + 5 VDC 3000 mA 80% 82% 3500 μF 35~75 VDC 0.36 A 15 WATTS + 12 VDC 1250 mA 84% 86% 2200 μF 35~75 VDC 0.35 A 15 WATTS + 15 VDC 1000 mA 85% 87% 2200 μF TDD15 - 03S2 18~36 VDC 0.63 A TDD15 - 05S2 18~36 VDC 0.77 A TDD15 - 12S2 18~36 VDC 0.76 A TDD15 - 15S2 18~36 VDC 0.69 A TDD15 - 03S3 35~75 VDC TDD15 - 05S3 35~75 VDC TDD15 - 12S3 TDD15 - 15S3 12 WATTS Dual Output Models TDD15 - 12D2 18~36 VDC 0.70 A 15 WATTS ± 12 VDC ± 630 mA 81% 83% ± 1500μF TDD15 - 15D2 18~36 VDC 0.71 A 15 WATTS ± 15 VDC ± 500 mA 82% 84% ± 1500μF TDD15 - 12D3 35~75 VDC 0.36 A 15 WATTS ± 12 VDC ± 630 mA 82% 84% ± 330μF TDD15 - 15D3 35~75 VDC 0.36 A 15 WATTS ± 15 VDC ± 500 mA 83% 85% ± 330μF www.chinfa.com 2011.01.27 [email protected] P1 TDD15 SERIES SINGLE & DUAL OUTPUT SPECIFICATION o All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed GENERAL Characteristics Conditions typ. min. Switching frequency Vi nom, Io nom Isolation voltage Input - Output Isolation resistance Input - Output, @ 500VDC Isolation capacitance 100KHz / 1V Ambient temperature Operating at Vi nom, Io nom Case temperature Operating at Vi nom, Io nom Derating Vi nom Storage temperature Non operational -40 Relative humidity Vi nom, Io nom 20 Temperature coefficient Vi nom, Io min unit max. 200 KHz 1500 VDC 100 MΩ 1000 -25 PF + 61 o +100 o +100 o C C See derating curve Dimension C 95 % RH ± 0.02 % / oC mm L50.8 x W25.4 x H11.5 o MTBF Bellcore issue 6@40 C, GB Cooling Free air convection Hours 840700 INPUT SPECIFICATIONS Characteristics Input voltage range No load input current Conditions Ta min ... Ta max, Io nom Vi nom, Io = 0 min. typ. max. unit 18 24 36 VDC 35 48 75 VDC 24V models 25 mA 48V models 15 mA 24V models 40 VDC 80 VDC Input voltage w/o damage Io nom Startup voltage Io nom 24V models 8.7 16 VDC startup voltage Io nom 48V 12V models 17.4 30 VDC Input filter Pi type 48V models OUTPUT SPECIFICATIONS Characteristics Conditions Output voltage accuracy Vi nom, Io nom Minimum load Vi nom single output models dual output models (each output) min. typ. max. unit % ±2 0 % 16 % Line regulation Io nom, Vi min ...Vi max ±1 % Load regulation Vi nom, Io 0 ...Io nom, single output models ±2 % Vi nom, Io min ...Io nom, dual output models ±5 % Cross regulation (Dual model) Aymmetrical load 16% - 100% FL ±5 % Startup time Vi nom, Io nom 30 ms Transient recovery time Vi nom, 1~0.5 Io nom 500 μs Ripple & noise Vi nom, Io nom, BW = 20MHz 150 mV Efficiency Vi nom, Io nom, Po / Pi Up to 87%, See model list and efficiency curve CONTROL AND PROTECTION Input reversed Shunt diode built in, external fuse recommended 1.5 A Output short circuit Current limited (Auto-recovery) Rated over load protection 110%min....160%max www.chinfa.com 2011.01.27 [email protected] P2 TDD15 SERIES SINGLE & DUAL OUTPUT PHYSICAL CHARACTERISTICS Case size 50.8 x 25.4 x 11.5 mm (2 x 1 x 0.45 inches) Case material Plastic base / Metal case Weight 35 g Patting material Epoxy MECHANISM & PIN CONFIGURATION mm [inch] 50.80 [2.00] 20.32 [0.80] 3 10.16 [0.40] 11.50 [0.45] 10.16 [0.40] 1 4 2 6.00 [0.24] DIA 1.00 [0.04] 2.54 [0.10] 10.16 [0.40] 10.16 [0.40] 5 25.40 [1.00] 15.24 [0.60] BURL AT 4 CORNER BOTTOM VIEW GENERAL TOLERANCE 0.00[0.00] - 30.00[1.18] ±0.30[0.01] 30.00[1.18] - 120.00[4.72] ±0.50[0.02] PIN ASSIGMENT GENERAL PIN NO. 1 2 3 4 5 SINGLE Vi+ Vi - Vo + NO PIN Vo - DUAL Vi+ Vi - Vo + com Vo - CIRCUIT SCHEMATIC ‧Block diagram for TDD15 series with single output Vo + Vi + Switching Device Rectifier Vo - Vi - PWM Controller Opto Isolation Reference & Error Amp. ‧Block diagram for TDD15 series with dual output Vo + Vi + Rectifier com Switching Device Rectifier Vo - Vi - PWM Controller www.chinfa.com 2011.01.27 Opto Isolation Reference & Error Amp. [email protected] P3 TDD15 SERIES SINGLE & DUAL OUTPUT RECOMMENDED CIRCUIT ‧Recommended filter for EN55022 Class B compliance. L1 ‧Recommended EN 55022 Class B filter circuit layout. C4 + Vin + C1 Vo + TDD15 C2 Vin - Vo - C3 ‧The commponents used in the above figure, together with the manufacturer part numbers for these components, are as follows. C1 C2 C3 C4 L1 TDD15-XXX2 2.2μF / 50V MLCC 4.7μF / 50V MLCC 1nF / 2KV MLCC 1nF / 2KV MLCC 1.5 mH Common choke TDD15-XXX3 2.2μF / 100V 4.7μF / 100V MLCC MLCC 1nF / 2KV MLCC 1nF / 2KV MLCC 1.5 mH Common choke DERATING AND EFFICIENCY CURVE Temperature derating curve Power out [ % ] 100 NATURAL CONVECTION COOLING 0 -25 61 Ambient Temperature [ oC ] 100 Efficiency Vs Input Voltage TDD15-05S2 Efficiency [ % ] Efficiency [ % ] 86 85 84 83 82 Io : Full Load 18 20 22 24 26 28 Input Voltage (V) www.chinfa.com 2011.01.27 30 32 34 36 88 86 84 82 80 78 76 74 72 70 Efficiency Vs Output Load TDD15-05S2 Vi : 24VDC 10 20 30 40 50 60 70 80 90 100 Output Load (%) [email protected] P4