LTC4222 Linear Technology, LTC4222 Datasheet - Page 30

• Manufacturer Part Number: LTC4222
• Description: Dual Hot Swap Controller
• Manufacturer: Linear Technology

www.DataSheet4U.com
LTC4222
PACKAGE DESCRIPTION
5.50 ±0.05
30
4.10 ±0.05
(4 SIDES)
3.50 REF
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
RECOMMENDED SOLDER PAD LAYOUT
3.45 ± 0.05
3.45 ± 0.05
0.50 BSC
0.25 ± 0.05
0.70 ±0.05
PACKAGE
OUTLINE
32-Lead Plastic QFN (5mm × 5mm)
(Reference LTC DWG # 05-08-1693)
NOTE:
1. DRAWING PROPOSED TO BE 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 SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
M0-220 VARIATION WHHD-(X) (TO BE APPROVED)
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm ON ANY SIDE
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
UH Package
5.00 ± 0.10
(4 SIDES)
0.75 ± 0.05
(4-SIDES)
3.50 REF
0.200 REF
0.00 – 0.05
R = 0.05
TYP
BOTTOM VIEW—EXPOSED PAD
R = 0.115
3.45 ± 0.10
TYP
3.45 ± 0.10
31
PIN 1 NOTCH R = 0.30 TYP
OR 0.35 × 45° CHAMFER
0.50 BSC
0.25 ± 0.05
32
(UH32) QFN 0406 REV D
0.40 ± 0.10
1
2
4222f