LT3474/LT3474-1 PACKAGE DESCRIPTIONFE Package16-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1663) Exposed Pad Variation BA 4.90 – 5.10* (.193 – .201) 2.74 (.108) 2.74 (.108) 16 1514 13 12 10 11 9 6.60 ±0.10 2.74 (.108) 4.50 ±0.10 SEE NOTE 4 2.74 6.40 (.108) (.252) 0.45 ±0.05 BSC 1.05 ±0.10 0.65 BSC 1 2 3 4 5 6 7 8 RECOMMENDED SOLDER PAD LAYOUT 1.10 4.30 – 4.50* (.0433) 0.25 (.169 – .177) MAX REF 0° – 8° 0.65 0.09 – 0.20 0.50 – 0.75 (.0256) 0.05 – 0.15 (.0035 – .0079) (.020 – .030) BSC (.002 – .006) 0.195 – 0.30 FE16 (BA) TSSOP 0204 (.0077 – .0118) TYP NOTE: 1. CONTROLLING DIMENSION: MILLIMETERS 4. RECOMMENDED MINIMUM PCB METAL SIZE MILLIMETERS FOR EXPOSED PAD ATTACHMENT 2. DIMENSIONS ARE IN (INCHES) *DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.150mm (.006") PER SIDE 3. DRAWING NOT TO SCALE 3474fd Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. 19