lt2940 Linear Technology Corporation, lt2940 Datasheet - Page 22

• Manufacturer Part Number: lt2940
• Description: Power And Current Monitor
• Manufacturer: Linear Technology Corporation

LT2940
PACKAGE DESCRIPTION
22
3.50 ±0.05
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
(SEE NOTE 6)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
2.10 ±0.05
TOP MARK
0.25 ± 0.05
PIN 1
0.200 REF
NOTE:
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
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 AND TIE BARS SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
TOP AND BOTTOM OF PACKAGE
1.65 ±0.05
2.25 REF
2.38 ±0.05
(Reference LTC DWG # 05-08-1725 Rev A)
12-Lead Plastic DFN (3mm × 3mm)
0.45 BSC
3.00 ±0.10
0.75 ±0.05
0.70 ±0.05
(4 SIDES)
DD Package
PACKAGE
OUTLINE
0.00 – 0.05
BOTTOM VIEW—EXPOSED PAD
R = 0.115
1.65 ± 0.10
7
6
TYP
2.25 REF
2.38 ±0.10
0.45 BSC
12
1
0.40 ± 0.10
0.23 ± 0.05
(DD12) DFN 0106 REV A
PIN 1 NOTCH
R = 0.20 OR
0.25 × 45°
CHAMFER
2940f