lt3743 Linear Technology Corporation, lt3743 Datasheet - Page 27
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lt3743
Manufacturer Part Number
lt3743
Description
High Current Synchronous Step-down Led Driver With Three-state Control
Manufacturer
Linear Technology Corporation
Datasheet
1.LT3743.pdf
(28 pages)
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PACKAGE DESCRIPTION
6.60 0.10
4.50 0.10
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
(.108)
2.74
RECOMMENDED SOLDER PAD LAYOUT
(.0035 – .0079)
0.09 – 0.20
SEE NOTE 4
(.187)
MILLIMETERS
4.75
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.
(INCHES)
(.169 – .177)
4.30 – 4.50*
(.020 – .030)
0.50 – 0.75
0.65 BSC
0.45 0.05
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
4. RECOMMENDED MINIMUM PCB METAL SIZE
28-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663)
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
FOR EXPOSED PAD ATTACHMENT
1.05 0.10
Exposed Pad Variation EB
0.25
REF
0 – 8
PAD HEAT SINK
ON BOTTOM OF
FE Package
EXPOSED
PACKAGE
(.0256)
0.65
BSC
28 27 26 2524 23
1
(.0077 – .0118)
0.195 – 0.30
2
TYP
3 4 5 6 7 8 9 10 11 12 13 14
(.378 – .386)
9.60 – 9.80*
22 21
(.187)
4.75
20
19
18 17
16
15
(.002 – .006)
0.05 – 0.15
FE28 (EB) TSSOP 0204
(.047)
(.108)
MAX
1.20
2.74
LT3743
(.252)
6.40
BSC
27
3743f