LTC2952 Linear Technology, LTC2952 Datasheet - Page 28

• Manufacturer Part Number: LTC2952
• Description: Pushbutton PowerPath Controller
• Manufacturer: Linear Technology

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LTC2952
PACKAGE DESCRIPTION
28
4.50 ± 0.05
3.10 ± 0.05
2.45 ± 0.05
(4 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
NOTE:
1. DRAWING IS PROPOSED TO BE MADE A JEDEC PACKAGE OUTLINE MO-220
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
VARIATION (WGGD-1)—TO BE APPROVED
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
4.00 ± 0.10
(4 SIDES)
20-Lead Plastic QFN (4mm × 4mm)
(Reference LTC DWG # 05-08-1710)
0.50 BSC
0.25 ±0.05
0.70 ±0.05
PACKAGE OUTLINE
UF Package
0.75 ± 0.05
0.200 REF
0.00 – 0.05
2.45 ± 0.10
(4-SIDES)
R = 0.115
BOTTOM VIEW—EXPOSED PAD
TYP
19
20
0.50 BSC
0.25 ± 0.05
0.38 ± 0.10
1
2
(UF20) QFN 10-04
PIN 1 NOTCH
R = 0.30 TYP
2952fa