LTC3619B Linear Technology, LTC3619B Datasheet - Page 18

• Manufacturer Part Number: LTC3619B
• Description: 400mA/800mA Synchronous Step-Down DC/DC
• Manufacturer: Linear Technology

package DescripTion
LTC3619B

3.55 0.05
2.15 0.05
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
(.0120 .0015)
0.25 0.05
1.65 0.05
0.305 0.038
(2 SIDES)
TYP
GAUGE PLANE
(.206)
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
5.23
MIN
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
(.007)
RECOMMENDED SOLDER PAD LAYOUT
0.18
2.38 0.05
(2 SIDES)
(.010)
2.794 0.102
0.254
(.110 .004)
0.50
BSC
DETAIL “A”
DETAIL “A”
10-Lead Plastic MSOP , Exposed Die Pad
0.70 0.05
(Reference LTC DWG # 05-08-1699 Rev B)
(Reference LTC DWG # 05-08-1664 Rev C)
0 – 6 TYP
10-Lead Plastic DFN (3mm × 3mm)
PACKAGE
OUTLINE
(.0197)
2.083 0.102
(.082 .004)
0.50
BSC
(.021 .006)
0.53 0.152
(SEE NOTE 6)
SEATING
TOP MARK
0.889 0.127
(.035 .005)
(.126 – .136)
PLANE
3.20 – 3.45
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-2).
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
MSE Package
DD Package
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
CHECK THE LTC WEBSITE DATA SHEET FOR CURRENT STATUS OF VARIATION ASSIGNMENT
TOP AND BOTTOM OF PACKAGE
PIN 1
0.200 REF
(.118 .004)
3.00 0.102
(.007 – .011)
(.193 .006)
4.90 0.152
0.17 – 0.27
(NOTE 3)
TYP
(.043)
1.10
MAX
EXPOSED PAD OPTION
BOTTOM VIEW OF
(.0197)
10
10
0.50
BSC
1
1 2 3 4 5
9
8
7 6
3.00 0.10
0.75 0.05
(4 SIDES)
DETAIL “B”
(.081 .004)
2.06 0.102
(.072 .004)
1.83 0.102
3.00 0.102
(.118 .004)
(.0196 .003)
0.497 0.076
(.034)
(NOTE 4)
0.86
0.00 – 0.05
REF
0.1016 0.0508
MSOP (MSE) 0908 REV C
(.004 .002)
REF
1.65 0.10
(2 SIDES)
NO MEASUREMENT PURPOSE
THE LEADFRAME FEATURE.
CORNER TAIL IS PART OF
FOR REFERENCE ONLY
BOTTOM VIEW—EXPOSED PAD
DETAIL “B”
0.05 REF
6
5
R = 0.125
2.38 0.10
(2 SIDES)
TYP
0.29
REF
10
1
www.DataSheet4U.com
0.50 BSC
0.25 0.05
0.40 0.10
(DD) DFN REV B 0309
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