LTC3412 LINER [Linear Technology], LTC3412 Datasheet - Page 19

• Manufacturer Part Number: LTC3412
• Description: 2.5A, 4MHz, Monolithic Synchronous Step-Down Regulator
• Manufacturer: LINER [Linear Technology]

PACKAGE DESCRIPTIO
4.35 ± 0.05
NOTE:
1. DRAWING CONFORMS TO JEDEC PACKAGE OUTLINE MO-220 VARIATION (WGGC)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
2.90 ± 0.05
2.15 ± 0.05
(4 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
6.60 ±0.10
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
(.0035 – .0079)
0.09 – 0.20
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.
4.50 ±0.10
RECOMMENDED SOLDER PAD LAYOUT
0.65 BSC
0.30 ±0.05
0.72 ±0.05
U
PACKAGE
OUTLINE
(.169 – .177)
SEE NOTE 4
4.30 – 4.50*
(.020 – .030)
(.108)
0.50 – 0.75
MILLIMETERS
2.74
0.65 BSC
(INCHES)
16-Lead Plastic QFN (4mm × 4mm)
16-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1692)
(Reference LTC DWG # 05-08-1663)
0.45 ±0.05
Exposed Pad Variation BA
(.108)
PIN 1
TOP MARK
(NOTE 6)
2.74
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
1.05 ±0.10
ON THE TOP AND BOTTOM OF PACKAGE
4.00 ± 0.10
0.25
REF
(4 SIDES)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
4. RECOMMENDED MINIMUM PCB METAL SIZE
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
UF Package
FE Package
FOR EXPOSED PAD ATTACHMENT
0° – 8°
(.0256)
0.65
BSC
0.75 ± 0.05
16 1514 13 12 11
1
(.0077 – .0118)
0.195 – 0.30
2
TYP
(.193 – .201)
3 4 5 6 7 8
4.90 – 5.10*
(.108)
2.74
2.15 ± 0.10
(4-SIDES)
0.200 REF
0.00 – 0.05
10
9
(.002 – .006)
0.05 – 0.15
FE16 (BA) TSSOP 0204
R = 0.115
BOTTOM VIEW—EXPOSED PAD
(.108)
(.0433)
2.74
MAX
1.10
TYP
(.252)
6.40
BSC
15
16
LTC3412
0.65 BSC
0.30 ± 0.05
0.55 ± 0.20
1
2
(UF16) QFN 1004
PIN 1 NOTCH R = 0.20 TYP
OR 0.35 × 45° CHAMFER
19
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