LTC3855 LINER [Linear Technology], LTC3855 Datasheet - Page 52

• Manufacturer Part Number: LTC3855
• Description: Dual, Fast, Accurate Step-Down DC/DC Controller
• Manufacturer: LINER [Linear Technology]

LTC3838
PACKAGE DESCRIPTION
Please refer to
52
6.60 ±0.10
4.50 REF
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
http://www.linear.com/designtools/packaging/
RECOMMENDED SOLDER PAD LAYOUT
(.0035 – .0079)
0.09 – 0.20
SEE NOTE 4
4.75 REF
MILLIMETERS
(INCHES)
(.169 – .177)
4.30 – 4.50*
(.020 – .030)
0.50 – 0.75
0.50 BSC
2.74 REF
0.315 ±0.05
(Reference LTC DWG # 05-08-1772 Rev C)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
4. RECOMMENDED MINIMUM PCB METAL SIZE
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
38-Lead Plastic TSSOP (4.4mm)
FOR EXPOSED PAD ATTACHMENT
1.05 ±0.10
0.25
REF
Exposed Pad Variation AA
0 – 8
for the most recent package drawings.
FE Package
(.0196)
0.50
BSC
38
(.0067 – .0106)
1
0.17 – 0.27
TYP
(.378 – .386)
9.60 – 9.80*
(.187)
4.75
REF
FE38 (AA) TSSOP REV C 0910
20
19
(.002 – .006)
0.05 – 0.15
(.108)
(.047)
2.74
MAX
1.20
REF
(.252)
6.40
BSC
3838fa