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| RDD08U SERIES DC - DC CONVERTER 6.6 ~ 8.1W SINGLE & DUAL OUTPUT FEATURES LOW COST 2:1 WIDE INPUT RANGE I/O ISOLATION INPUT Pi FILTER SHORT CIRCUIT PROTECTION HIGH PERFORMANCE UL/cUL/TUV/CE MODEL LIST MODEL NO. INPUT OUTPUT OUTPUT OUTPUT VOLTAGE WATTAGE VOLTAGE CURRENT Single Output Models 9~18 VDC 9~18 VDC 9~18 VDC 9~18 VDC 18~36 VDC 18~36 VDC 18~36 VDC 18~36 VDC 35~75 VDC 35~75 VDC 35~75 VDC 35~75 VDC 6.6 WATTS 7.5 WATTS 8 WATTS 8.1 WATTS 6.6 WATTS 7.5 WATTS 8 WATTS 8.1 WATTS 6.6 WATTS 7.5 WATTS 8 WATTS 8.1 WATTS +3.3 VDC + 5 VDC + 12 VDC + 15 VDC +3.3 VDC + 5 VDC + 12 VDC + 15 VDC +3.3 VDC + 5 VDC + 12 VDC + 15 VDC 2000 mA 1500 mA 670 mA 540 mA 2000 mA 1500 mA 670 mA 540 mA 2000 mA 1500 mA 670 mA 540 mA EFF. (TYP .) 80% 82% 85% 85% 80% 83% 85% 85% 80% 83% 85% 85% EFF. (min.) 78% 80% 83% 83% 78% 81% 83% 83% 78% 81% 83% 83% RDD08 - 03S1U RDD08 - 05S1U RDD08 - 12S1U RDD08 - 15S1U RDD08 - 03S2U RDD08 - 05S2U RDD08 - 12S2U RDD08 - 15S2U RDD08 - 03S3U RDD08 - 05S3U RDD08 - 12S3U RDD08 - 15S3U Dual Output Models RDD08 - 05D1U RDD08 - 12D1U RDD08 - 15D1U RDD08 - 05D2U RDD08 - 12D2U RDD08 - 15D2U RDD08 - 05D3U RDD08 - 12D3U RDD08 - 15D3U 9~18 VDC 9~18 VDC 9~18 VDC 18~36 VDC 18~36 VDC 18~36 VDC 35~75 VDC 35~75 VDC 35~75 VDC 8 WATTS 8.1 WATTS 8.1 WATTS 8 WATTS 8.1 WATTS 8.1 WATTS 8 WATTS 8.1 WATTS 8.1 WATTS 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 5 VDC 12 VDC 15 VDC 800 mA 340 mA 270 mA 800 mA 340 mA 270 mA 800 mA 340 mA 270 mA 82% 85% 85% 83% 85% 85% 83% 85% 85% 80% 83% 83% 81% 83% 83% 81% 83% 83% www.chinfa.com 2007.05.11 sales@chinfa.com RDD08U SERIES SINGLE & DUAL OUTPUT CIRCUIT SCHEMATIC Block diagram for RDD08U series with single output Vi + Rectifier Switching Device Vo + Vi - Vo - PWM Controller ON/OFF Opto Isolation Reference & Error Amp. Block diagram for RDD08U series with dual output Vi + Rectifier Switching Device Vo + com Vi - Rectifier Vo - PWM Controller ON/OFF Opto Isolation Reference & Error Amp. www.chinfa.com 2007.05.11 sales@chinfa.com RDD08U SERIES SINGLE & DUAL OUTPUT SPECIFICATION All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed o GENERAL Characteristics Switching frequency Isolation voltage Isolation resistance Ambient temperature Case temperature Derating Storage temperature Dimension Cooling Case material Conditions Vi nom, Io nom Input / Output Input / Output, @ 500VDC Operating at Vi nom, Io nom Operating at Vi nom, Io nom Vi nom Non operational L20.3 x W31.8 x H10.2 Free air convection Tinplate nickel plated min. 1,500 1G -40 typ. 280 max. unit KHz VDC + 71 +100 o o o C C See derating curve -40 +100 %/ C C mm o INPUT SPECIFICATIONS Characteristics Input voltage range Conditions Ta min ... T max, Io nom a min. 9 18 35 typ. 12 48 24 48 30 25 20 max. 18 36 75 unit VDC VDC VDC mA mA mA No load input current Vi nom, Io = 0 12V models 24V models 48V models Input voltage w/o damage Io nom 12V models 24V models 48V models 20 40 80 8.7 17.4 31.5 VDC VDC VDC VDC VDC VDC startup voltage Io nom 12V models 24V models 48V models Input filter Pi type OUTPUT SPECIFICATIONS Characteristics Output voltage accuracy Minimum load Line regulation Load regulation Transient recovery time Temperature coefficient Ripple & noise Efficiency Capacitive Load Vi nom Conditions Vi nom, Io nom single output models dual output models (each output) min. 0 10 typ. max. 2 unit % % % Io nom, Vi min ...Vi max Vi nom, Io 0 ...Io nom, single output models Vi nom, Io min ...Io nom, dual output models 0.5 0.5 % % % ms % / oC mV F 1 1 0.02 50 Up to 85%, See model list 3300 2200 470 330 1000 Vi nom, Io nom=1 Vi nom, Io nom 1/2 lo nom Vi nom, Io nom, BW = 20MHz Vi nom, Io nom, Po / Pi Io nom 3.3Vout models 5.0Vout models 12.0Vout models 15.0Vout models 5Vout models 12Vout models 15Vout models 180 sales@chinfa.com 100 sales@chinfa.com www.chinfa.com 2007.05.11 RDD08U SERIES SINGLE & DUAL OUTPUT CONTROL AND PROTECTION Input reversed Output short circuit Rated over load protection Remote on/off control Shunt diode built in, external fuse recommended Continuous 110%min....140%max ON : 3....10Vdc or open circuit UL60950-1 EN60950-1 EN61204-3(Class A for EMI) OFF: 0....1.5Vdc or short circuit pin1 and pin2,3 APPROVALS AND STANDARD UL/cUL TUV CE MECHANISM & PIN CONFIGURATION mm [inch] 31.75 [1.25] 20.32 [0.80] 12 3 9 11 15.24 [0.60] 10.2 [0.4] DIA 0.50 [0.02] 5.08 [0.20] 23 22 16 14 2.54 [0.10] BOTTOM VIEW PHYSICAL CHARACTERISTICS CASE SIZE CASE MATERIAL WEIGHT 20.3 x 31.8 x 10.2 mm 0.8 x 1.25 x 0.4 inches Tinplate nickel plated 16 g PIN ASSIGNMENT GENERAL PIN NO. SINGLE DUAL 1 Remote On/Off Remote On/Off 2&3 Vi Vi - 9 N. C. com 11 N. C. Vo - 14 Vo+ Vo+ 16 Vo com 22 & 23 Vi+ Vi+ DERATING 100 Power out [ % ] NATURAL CONVECTION COOLING 0 -40 o 71 100 Ambient Temperature [ C ] www.chinfa.com 2007.05.11 sales@chinfa.com |
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