TDD15 SERIES DC - DC CONVERTER 12 ~ 15W SINGLE & DUAL OUTPUT FEATURES LOW COST 2:1 WIDE INPUT RANGE I/O ISOLATION INPUT Pi FILTER SHORT CIRCUIT PROTECTION HIGH PERFORMANCE 2 YEARS WARRANTY MODEL LIST OUTPUT CURRENT EFF. (typ.) EFF. (min.) +3.3 VDC 3600 mA 79% 77% + 5 VDC 3000 mA 81% 79% 15 WATTS + 12 VDC 1250 mA 82% 80% 15 WATTS + 15 VDC 1000 mA 85% 83% 35~75 VDC 12 WATTS +3.3 VDC 3600 mA 80% 78% 35~75 VDC 15 WATTS + 5 VDC 3000 mA 82% 80% TDD15 - 12S3 35~75 VDC 15 WATTS + 12 VDC 1250 mA 86% 84% TDD15 - 15S3 35~75 VDC 15 WATTS + 15 VDC 1000 mA 87% 85% MODEL NO. INPUT VOLTAGE TDD15 - 03S2 18~36 VDC 12 WATTS TDD15 - 05S2 18~36 VDC 15 WATTS TDD15 - 12S2 18~36 VDC TDD15 - 15S2 18~36 VDC TDD15 - 03S3 TDD15 - 05S3 OUTPUT OUTPUT WATTAGE VOLTAGE Single Output Models Dual Output Models TDD15 - 12D2 18~36 VDC 15 WATTS 12 VDC 630 mA 83% 81% TDD15 - 15D2 18~36 VDC 15 WATTS 15 VDC 500 mA 84% 82% TDD15 - 12D3 35~75 VDC 15 WATTS 12 VDC 630 mA 84% 82% TDD15 - 15D3 35~75 VDC 15 WATTS 15 VDC 500 mA 85% 83% www.chinfa.com 2007.08.30 [email protected] TDD15 SERIES SINGLE & DUAL OUTPUT 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 2007.08.30 Opto Isolation Reference & Error Amp. [email protected] TDD15 SERIES SINGLE & DUAL OUTPUT SPECIFICATION o All Specifications Typical At Nominal Line, Full Load, 25 C Unless Otherwise Noticed GENERAL Characteristics Conditions min. typ. max. 200 Switching frequency Vi nom, Io nom Isolation voltage Input / Output Isolation resistance Input / Output, @ 500VDC 100 Ambient temperature Operating at Vi nom, Io nom -25 Case temperature Operating at Vi nom, Io nom Derating Vi nom Storage temperature Non operational Dimension L25.4 x W50.8 x H12 Cooling Free air convection Case material Metal unit KHz 1,500 VDC M + 60 o + 100 o C C % / oC See derating curve -40 o + 100 C mm max. unit INPUT SPECIFICATIONS Characteristics Conditions min. typ. Input voltage range Ta min ... Ta max, Io nom No load input current Vi = nom Io = 0 24V models 48V models 15 mA Input voltage w/o damage Io nom 24V models 40 VDC 78 VDC Startup voltage Io nom Input filter Pi type 18 24 35 48 48 48V models 36 VDC 75 VDC 25 mA 24V models 15.8 VDC 48V models 28.6 VDC OUTPUT SPECIFICATIONS Characteristics Conditions Output voltage accuracy Vi nom, Io nom Minimum load Vi nom min. typ. max. sing output models dual output models (each output) 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 % 0.02 % / oC Transient recovery time 25% load, step changed Temperature coefficient Vi nom, Io nom Ripple & noise Vi nom, Io nom, BW = 20MHz Efficiency S 500 12V,15V & dual Vi nom, Io nom, Po / Pi mV 150 3.3V & 5V model Vout x 1% mV Up to 87%, See model list CONTROL AND PROTECTION Input reversed Shunt diode built in, external fuse recommended Output short circuit Continuous www.chinfa.com 2007.08.30 [email protected] TDD15 SERIES SINGLE & DUAL OUTPUT MECHANISM & PIN CONFIGURATION mm [inch] 20.32 [0.80] 15.24 [0.60] 2.54 [0.10] 50.80 [2.00] 3 10.16 [0.40] 5.08 [0.20] 11.94 [0.47] 10.16 [0.40] 1 4 2 10.16 [0.40] 10.16 [0.40] 5.08 [0.20] DIA 1.00 [0.04] 5 BURL AT 4 CORNER BOTTOM VIEW PHYSICAL CHARACTERISTICS CASE SIZE 25.4 x 50.8 x 12 mm 1 x 2 x 0.47 inches CASE MATERIAL Metal WEIGHT 33 g (typ.) PIN ASSIGMENT GENERAL PIN NO. 1 2 3 4 5 SINGLE Vi+ Vi - Vo + NO PIN Vo - Vo + com Vo - DUAL Vi+ Vi - DERATING Power out [ % ] 100 NATURAL CONVECTION COOLING 0 -25 60 100 Ambient Temperature [ oC ] www.chinfa.com 2007.08.30 [email protected]