LTC3805-5 Linear Technology, LTC3805-5 Datasheet - Page 19

• Manufacturer Part Number: LTC3805-5
• Description: Adjustable Frequency Current Mode Flyback DC/DC Controller
• Manufacturer: Linear Technology

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PACKAGE DESCRIPTION
3.50 0.05
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
CHECK THE LTC WEBSITE DATA SHEET FOR CURRENT STATUS OF VARIATION ASSIGNMENT
2.15 0.05
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.65 0.05
0.25 0.05
(2 SIDES)
(.0120 .0015)
0.305 0.038
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.
TYP
2.38 0.05
(2 SIDES)
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
0.50
BSC
(.010)
2.794 0.102
0.254
(.110 .004)
0.675 0.05
(Reference LTC DWG # 05-08-1664 Rev B)
PACKAGE
OUTLINE
10-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1699)
DETAIL “A”
DETAIL “A”
(SEE NOTE 6)
10-Lead Plastic MSOP
0 – 6 TYP
(.0197)
2.083 0.102
TOP MARK
(.082 .004)
0.50
BSC
PIN 1
MSE Package
0.200 REF
(.021 .006)
0.53 0.152
DD Package
SEATING
0.889 0.127
(.035 .005)
(.126 – .136)
PLANE
3.20 – 3.45
(.118 .004)
3.00 0.102
(.007 – .011)
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
4.90 0.152
(.193 .006)
0.17 – 0.27
(NOTE 3)
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
TOP AND BOTTOM OF PACKAGE
TYP
(.043)
MAX
1.10
EXPOSED PAD OPTION
0.75 0.05
3.00 0.10
BOTTOM VIEW OF
(.0197)
(4 SIDES)
0.50
BSC
10
10
1
1 2 3 4 5
9
8
0.00 – 0.05
7 6
1.65 0.10
(2 SIDES)
(.081 .004)
2.06 0.102
(.072 .004)
1.83
(.118 .004)
3.00 0.102
(.0196 .003)
0.497 0.076
(.034)
(NOTE 4)
0.86
REF
0.1016 0.0508
MSOP (MSE) 0307 REV B?
(.004 .002)
BOTTOM VIEW—EXPOSED PAD
REF
0.102
5
R = 0.115
6
2.38 0.10
(2 SIDES)
TYP
10
1
LTC3805-5
0.50 BSC
0.25 0.05
0.38 0.10
(DD) DFN 1103
19
38055fa