M Package 3-Lead Plastic DD Pak (Reference LTC DWG # 05-08-1460 Rev F) .256 (6.502) .060 (1.524) TYP .060 (1.524) .390 – .415 (9.906 – 10.541) .165 – .180 (4.191 – 4.572) .045 – .055 (1.143 – 1.397) 15° .060 (1.524) .183 (4.648) .330 – .370 (8.382 – 9.398) +.008 .004 –.004 +0.203 0.102 –0.102 ( .059 (1.499) .095 – .115 (2.413 – 2.921) .075 (1.905) .300 (7.620) +.012 .143 –.020 +0.305 3.632 –0.508 ( BOTTOM VIEW OF DD PAK HATCHED AREA IS SOLDER PLATED COPPER HEAT SINK ) DETAIL A .050 (1.270) .100 (2.54) BSC .013 – .023 (0.330 – 0.584) .050 ±.012 (1.270 ±0.305) DETAIL A 0° – 7° TYP .420 .080 .420 .350 .276 .325 .205 .585 .585 .320 .090 .100 ) .070 RECOMMENDED SOLDER PAD LAYOUT NOTE: 1. DIMENSIONS IN INCH/(MILLIMETER) 2. DRAWING NOT TO SCALE .090 .100 .070 M (DD3) 0212 REV F RECOMMENDED SOLDER PAD LAYOUT FOR THICKER SOLDER PASTE APPLICATIONS 0° – 7° TYP