ltc3220 Linear Technology Corporation, ltc3220 Datasheet - Page 19
ltc3220
Manufacturer Part Number
ltc3220
Description
360ma Universal 18-channel Led Driver
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC3220.pdf
(20 pages)
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PACKAGE DESCRIPTION
4.50 ± 0.05
3.10 ± 0.05
4.00 ± 0.10
2.40 REF
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
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
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE, IF PRESENT
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
2.64 ± 0.05
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 representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
4.00 ± 0.10
2.64 ± 0.05
(Reference LTC DWG # 05-08-1759 Rev Ø)
0.40 BSC
28-Lead UTQFN (4mm × 4mm)
0.20 ±0.05
0.70 ±0.05
PACKAGE OUTLINE
0.55 ± 0.05
PF Package
0.127 REF
0.00 – 0.05
R = 0.05
2.40 REF
TYP
R = 0.10
LTC3220/LTC3220-1
BOTTOM VIEW—EXPOSED PAD
2.64 ± 0.10
TYP
2.64 ± 0.10
27
28
0.40 BSC
0.20 ± 0.05
1
2
(PF28) UTQFN 0907
0.40 ± 0.5
PIN 1 NOTCH
R = 0.20 TYP
OR 0.25 × 45°
CHAMFER
19
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