ltc3440 Linear Technology Corporation, ltc3440 Datasheet - Page 18

• Manufacturer Part Number: ltc3440
• Description: Micropower Synchronous Buck-boost Dc/dc Converter
• Manufacturer: Linear Technology Corporation

PACKAGE DESCRIPTIO
LTC3440
18
3.50 ±0.05
2.15 ±0.05
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.25 ± 0.05
1.65 ±0.05
(2 SIDES)
2.38 ±0.05
(2 SIDES)
0.50
BSC
U
0.675 ±0.05
PACKAGE
OUTLINE
10-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1699)
(SEE NOTE 6)
TOP MARK
PIN 1
DD Package
0.200 REF
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
CHECK THE LTC WEBSITE DATA SHEET FOR CURRENT STATUS OF VARIATION ASSIGNMENT
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
TOP AND BOTTOM OF PACKAGE
3.00 ±0.10
0.75 ±0.05
(4 SIDES)
0.00 – 0.05
1.65 ± 0.10
(2 SIDES)
BOTTOM VIEW—EXPOSED PAD
5
R = 0.115
6
2.38 ±0.10
(2 SIDES)
TYP
10
1
0.50 BSC
0.25 ± 0.05
0.38 ± 0.10
(DD10) DFN 1103
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