LTC3631 Linear Technology Corporation, LTC3631 Datasheet - Page 19

• Manufacturer Part Number: LTC3631
• Description: High Voltage 100mA Synchronous Step-Down Converter
• Manufacturer: Linear Technology Corporation

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PACKAGE DESCRIPTION
(.0165 .0015)
0.42 0.038
GAUGE PLANE
(.007)
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
0.18
TYP
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
RECOMMENDED SOLDER PAD LAYOUT
(.206)
5.23
MIN
(.010)
0.254
2.794 0.102
(.110 .004)
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.
DETAIL “A”
DETAIL “A”
0 – 6 TYP
(.0256)
2.083 0.102
(.082 .004)
0.65
BSC
8-Lead Plastic MSOP, Exposed Die Pad
(.021 .006)
0.53 0.152
(Reference LTC DWG # 05-08-1662 Rev E)
SEATING
0.889 0.127
(.035 .005)
(.126 – .136)
3.20 – 3.45
PLANE
MS8E Package
(.193 .006)
4.90 0.152
(.118 .004)
3.00 0.102
(.009 – .015)
0.22 – 0.38
(NOTE 3)
TYP
(.043)
1.10
MAX
EXPOSED PAD OPTION
(.0256)
BOTTOM VIEW OF
0.65
BSC
1
1
8
8
7 6 5
2 3
4
DETAIL “B”
(.081 .004)
2.06 0.102
(.118 .004)
(.072 .004)
3.00 0.102
1.83 0.102
(.0205)
(NOTE 4)
(.034)
0.52
REF
0.86
REF
0.1016 0.0508
(.004 .002)
MSOP (MS8E) 0908 REV E
NO MEASUREMENT PURPOSE
THE LEADFRAME FEATURE.
CORNER TAIL IS PART OF
FOR REFERENCE ONLY
DETAIL “B”
0.05 REF
0.29
REF
LTC3631
19
3631fa