LTC4099 Linear Technology Corporation, LTC4099 Datasheet - Page 35

• Manufacturer Part Number: LTC4099
• Description: I2C Controlled USB Power Manager/Charger
• Manufacturer: Linear Technology Corporation

www.DataSheet4U.com
PACKAGE DESCRIPTION
3.50 0.05
2.10 0.05
1.50 REF
4.00 0.10
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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 SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
TOP MARK
(NOTE 6)
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
ON THE TOP AND BOTTOM OF PACKAGE
0.50 BSC
1.65 0.05
PIN 1
0.25 0.05
3.00 0.10
3.10 0.05
4.50 0.05
2.50 REF
2.65 0.05
20-Lead Plastic UTQFN (3mm 4mm)
(Reference LTC DWG # 05-08-1752 Rev Ø)
0.70 0.05
PDC Package
0.55 0.05
PACKAGE
OUTLINE
0.127 REF
0.00 – 0.05
R = 0.05 TYP
2.50 REF
R = 0.115
TYP
BOTTOM VIEW—EXPOSED PAD
2.65 0.10
1.65 0.10
1.50 REF
19
20
0.50 BSC
0.25 0.05
1
2
0.40 0.10
(PDC20) UTQFN 0407 REV Ø
PIN 1 NOTCH
R = 0.20 OR 0.25
45 CHAMFER
LTC4099
35
4099f