LTC3728LX Linear Technology, LTC3728LX Datasheet - Page 31

• Manufacturer Part Number: LTC3728LX
• Description: 2-Phase Synchronous Regulators
• Manufacturer: Linear Technology

PACKAGE DESCRIPTIO
5.35 0.05
4.20 0.05
3.45 0.05
(4 SIDES)
.254 MIN
.0165 .0015
RECOMMENDED SOLDER PAD LAYOUT
(0.191 – 0.249)
.0075 – .0098
RECOMMENDED SOLDER PAD LAYOUT
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
(0.406 – 1.270)
.016 – .050
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 PACKAGE
U
(MILLIMETERS)
0.57 0.05
INCHES
0 – 8 TYP
28-Lead Plastic SSOP (Narrow .150 Inch)
(For purposes of clarity, drawings are not to scale)
OUTLINE
(0.38 0.10)
.015 .004
32-Lead Plastic QFN (5mm 5mm)
(Reference LTC DWG # 05-08-1641)
.045 .005
.150 – .165
(Reference LTC DWG # 05-08-1693)
.0250 TYP
45
PIN 1
TOP MARK
GN Package
UH Package
5.00 0.10
(5.817 – 6.198)
(0.203 – 0.305)
(4 SIDES)
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
.229 – .244
.008 – .012
M0-220 VARIATION WHHD-(X) (TO BE APPROVED)
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm ON ANY SIDE
(1.351 – 1.748)
.053 – .069
28
1
27
2 3
26
25
4
0.200 REF
24
5 6 7
LTC3728L/LTC3728LX
0.75 0.05
(9.804 – 9.982)
23
.386 – .393*
(0.635)
.0250
22
BSC
21
8 9 10 11 12
0.00 – 0.05
20
19 18 17
1615
13 14
BOTTOM VIEW—EXPOSED PAD
R = 0.115
(0.102 – 0.249)
.004 – .009
GN28 (SSOP) 0502
TYP
www.DataSheet4U.com
(3.810 – 3.988)
.150 – .157**
(0.838)
.033
REF
31
0.50 BSC
0.23 0.05
32
0.40 0.10
31
1
2
(UH) QFN 0102
3.45 0.10
(4-SIDES)
3728lxfa