LTC3819 Datasheet, PDF (31/32 Pages) Linear Technology – 2-Phase, High Efficiency, Step-Down Controller for Sun Server CPUs

PACKAGE DESCRIPTIO
7.8 – 8.2
LTC3819
G Package
36-Lead Plastic SSOP (5.3mm)
(Reference LTC DWG # 05-08-1640)
1.25 ±0.12
12.50 – 13.10*
(.492 – .516)
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19
5.3 – 5.7
7.40 – 8.20
(.291 – .323)
0.42 ±0.03
RECOMMENDED SOLDER PAD LAYOUT
5.00 – 5.60**
(.197 – .221)
0.65 BSC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
2.0
(.079)
MAX
0° – 8°
0.09 – 0.25
(.0035 – .010)
0.55 – 0.95
(.022 – .037)
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2.
DIMENSIONS
ARE
IN
MILLIMETERS
(INCHES)
3. DRAWING NOT TO SCALE
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED .152mm (.006") PER SIDE
**DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE
0.65
(.0256)
BSC
0.22 – 0.38
(.009 – .015)
TYP
0.05
(.002)
MIN
G36 SSOP 0204
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
3819f
31