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