LTC3614 LINER [Linear Technology], LTC3614 Datasheet - Page 27

• Manufacturer Part Number: LTC3614
• Description: 4A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter
• Manufacturer: LINER [Linear Technology]

PACKAGE DESCRIPTION
3.50 ± 0.05
2.10 ± 0.05
1.50 REF
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
5.00 ± 0.10
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 representa-
tion 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
4.10 ± 0.05
5.50 ± 0.05
3.00 ± 0.10
3.50 REF
3.65 ± 0.05
24-Lead Plastic QFN (3mm × 5mm)
(Reference LTC DWG # 05-08-1833)
UDD Package
0.75 ± 0.05
0.70 ±0.05
PACKAGE OUTLINE
0.200 REF
0.00 – 0.05
R = 0.05 TYP
3.50 REF
R = 0.115
TYP
BOTTOM VIEW—EXPOSED PAD
3.65 ± 0.10
1.65 ± 0.10
1.50 REF
23
24
0.50 BSC
0.25 ± 0.05
1
2
0.40 ± 0.10
(UDD24) QFN 0808 REV Ø
PIN 1 NOTCH
R = 0.20 OR 0.25
45° CHAMFER
LTC3614
27
3614f