LTC2954 Linear Technology, LTC2954 Datasheet - Page 15

• Manufacturer Part Number: LTC2954
• Description: Push Button On/Off Controller
• Manufacturer: Linear Technology

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PACKAGE DESCRIPTIO
2.55 ±0.05
NOTE:
1. DRAWING CONFORMS TO VERSION (WECD-1) IN JEDEC PACKAGE OUTLINE M0-229
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 TOP AND BOTTOM OF PACKAGE
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.15 ±0.05
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
3.85 MAX
0.25 ± 0.05
0.61 ±0.05
(2 SIDES)
0.20 BSC
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
2.62 REF
DATUM ‘A’
2.20 ±0.05
(2 SIDES)
RECOMMENDED SOLDER PAD LAYOUT
0.52
MAX
0.50 BSC
PER IPC CALCULATOR
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 representation that
the interconnection of its circuits as described herein will not infringe on existing patent rights.
0.30 – 0.50 REF
0.70 ±0.05
PACKAGE
OUTLINE
U
0.65
REF
(Reference LTC DWG # 05-08-1702 Rev B)
(SEE NOTE 6)
8-Lead Plastic DFN (3mm × 2mm)
1.22 REF
1.4 MIN
TOP MARK
(Reference LTC DWG # 05-08-1637)
PIN 1 BAR
8-Lead Plastic TSOT-23
0.200 REF
0.09 – 0.20
(NOTE 3)
DDB Package
2.80 BSC
TS8 Package
3.00 ±0.10
(2 SIDES)
1.00 MAX
1.50 – 1.75
(NOTE 4)
0.80 – 0.90
0.65 BSC
2.00 ±0.10
0.75 ±0.05
(2 SIDES)
PIN ONE ID
0 – 0.05
R = 0.05
0.56 ± 0.05
(2 SIDES)
2.90 BSC
(NOTE 4)
1.95 BSC
TYP
BOTTOM VIEW—EXPOSED PAD
0.25 ± 0.05
R = 0.115
TYP
4
5
2.15 ±0.05
(2 SIDES)
TS8 TSOT-23 0802
0.01 – 0.10
LTC2954
0.22 – 0.36
8 PLCS (NOTE 3)
8
1
0.50 BSC
0.40 ± 0.10
PIN 1
R = 0.20 OR
0.25 × 45°
CHAMFER
(DDB8) DFN 0905 REV B
15
2954f