LTC3727-1 Linear Technology, LTC3727-1 Datasheet - Page 31

• Manufacturer Part Number: LTC3727-1
• Description: 2-Phase Synchronous Step-Down Switching Regulators
• Manufacturer: Linear Technology

5.35 0.05
PACKAGE DESCRIPTIO
4.20 0.05
3.45 0.05
(4 SIDES)
RECOMMENDED SOLDER PAD LAYOUT
7.8 – 8.2
0.42 0.03
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
**
(.0035 – .010)
*
0.09 – 0.25
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED .152mm (.006") PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED .254mm (.010") PER SIDE
RECOMMENDED SOLDER PAD LAYOUT
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.
0.50 BSC
0.23 0.05
(.197 – .221)
5.00 – 5.60**
(.022 – .037)
MILLIMETERS
0.55 – 0.95
(INCHES)
U
0.57 0.05
PACKAGE
OUTLINE
32-Lead Plastic QFN (5mm 5mm)
(Reference LTC DWG # 05-08-1693)
(Reference LTC DWG # 05-08-1640)
28-Lead Plastic SSOP (5.3mm)
NOTE:
1. DRAWING PROPOSED TO BE 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
M0-220 VARIATION WHHD-(X) (TO BE APPROVED)
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm ON ANY SIDE
1.25 0.12
5.3 – 5.7
0 – 8
0.65 BSC
PIN 1
TOP MARK
UH Package
G Package
5.00 0.10
(4 SIDES)
(.0256)
0.65
BSC
28
1 2 3 4 5 6 7 8 9 10 11 12
(.009 – .015)
27
0.22 – 0.38
26
25
24
9.90 – 10.50*
(.390 – .413)
23
22 21 20 19 18 17 16 15
0.75 0.05
LTC3727/LTC3727-1
3.45 0.10
(4-SIDES)
0.00 – 0.05
0.200 REF
13
14
G28 SSOP 0802
(.002)
0.05
(.079)
2.0
(.291 – .323)
7.40 – 8.20
www.DataSheet4U.com
BOTTOM VIEW—EXPOSED PAD
R = 0.115
TYP
31
0.50 BSC
0.23 0.05
32
31
0.40 0.10
(UH) QFN 0102
3727f
1
2