Package Linear Technology 4x4 UTQFN-28 — 数据表

PF Package
28-Lead UTQFN (4mm Г— 4mm) (Reference LTC DWG # 05-08-1759 Rev Г?) 0.70 В±0.05 2.64 В± 0.05
2.40 REF
4.50 В± 0.05
3.10 В± 0.05 2.64 В± 0.05 PACKAGE OUTLINE
0.20 В±0.05
0.40 BSC
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED 4.00 ± 0.10 BOTTOM VIEW—EXPOSED PAD
0.55 В± 0.05 R = 0.05
TYP R = 0.10
TYP 27 28 0.40 В± 0.5 PIN 1
TOP MARK
(NOTE 6) 1
2.64 В± 0.10 4.00 В± 0.10 PIN 1 NOTCH
R = 0.20 TYP
OR 0.25 Г— 45В°
CHAMFER 2 2.40 REF
2.64 В± 0.10 (PF28) UTQFN 0907 0.127 REF NOTE:
0.00 – 0.05
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS …