LTC3646-1_15 Datasheet, PDF (26/28 Pages) Linear Technology – 40V, 1A Synchronous Step-Down Converter

LTC3646/LTC3646-1
PACKAGE DESCRIPTION
MSE Package
16-Lead Pla_Mst_Sic_EM_PS_aO_cP_k,_aE_gx_eposed Die Pad
16-L^(Rea^efd^erP^enla^cest^Li^Tc^CM^DWSO^GP^#,⁰E⁵x^-0p⁸o^-s¹e⁶d⁶⁷D^Ri^ee^vP^Fa⁾ d
(Reference LTC DWG # 05-08-1667 Rev F)
BOTTOM VIEW OF
EXPOSED PAD OPTION
2.845 ±0.102
2.845 ±0.102
(.112 ±.004)
0.889 ±0.127
(.112 ±.004)
(.035 ±.005)
1
8
0.35
REF
5.10
(.201)
MIN
1.651 ±0.102 3.20 – 3.45
(.065 ±.004) (.126 – .136)
0.305 ±0.038
(.0120 ±.0015)
TYP
0.50
(.0197)
BSC
RECOMMENDED SOLDER PAD LAYOUT
0.254
(.010)
GAUGE PLANE
DETAIL “A”
0° – 6° TYP
4.90 ±0.152
(.193 ±.006)
1.651 ±0.102
(.065 ±.004)
0.12 REF
DETAIL “B”
CORNER TAIL IS PART OF
DETAIL “B” THE LEADFRAME FEATURE.
16
9
4.039 ±0.102
FOR REFERENCE ONLY
NO MEASUREMENT PURPOSE
(.159 ±.004)
(NOTE 3)
0.280 ±0.076
16151413121110 9 (.011 ±.003)
REF
3.00 ±0.102
(.118 ±.004)
(NOTE 4)
0.18
(.007)
0.53 ±0.152
(.021 ±.006)
DETAIL “A”
1.10
(.043)
MAX
12345678
0.86
(.034)
REF
SEATING
PLANE _{0.17 – 0.27}
0.1016 ±0.0508
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
(.007 – .011)
TYP
0.50
(.0197)
BSC
(.004 ±.002)
MSOP (MSE16) 0213 REV F
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
6. EXPOSED PAD DIMENSION DOES INCLUDE MOLD FLASH. MOLD FLASH ON E-PAD SHALL
NOT EXCEED 0.254mm (.010") PER SIDE.
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For more information www.linear.com/LTC3646
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