LTC3728 Linear Technology, LTC3728 Datasheet - Page 31

• Manufacturer Part Number: LTC3728
• Description: 2-Phase Synchronous Step-Down Switching Regulator
• Manufacturer: Linear Technology

PACKAGE DESCRIPTIO
5.35 ±0.05
(0.005 – 0.009)
**
*
0.13 – 0.22
NOTE: DIMENSIONS ARE IN MILLIMETERS
DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.152mm (0.006") PER SIDE
DIMENSIONS DO NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.254mm (0.010") PER SIDE
4.20 ±0.05
3.45 ±0.05
(4 SIDES)
(0.205 – 0.212)
5.20 – 5.38**
(0.022 – 0.037)
0.55 – 0.95
NOTE:
1. DRAWING PROPOSED TO INCLUDE 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
RECOMMENDED SOLDER PAD LAYOUT
PIN 1
TOP MARK
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.
5.00 ± 0.10
(4 SIDES)
0° – 8°
(0.0256)
0.65
BSC
U
(0.010 – 0.015)
0.50 BSC
0.23 ± 0.05
(For purposes of clarity, drawings are not to scale)
0.25 – 0.38
32-Lead Plastic QFN (5mm × 5mm)
(Reference LTC DWG # 05-08-1693)
28-Lead Plastic SSOP (0.209)
0.57 ±0.05
(LTC DWG # 05-08-1640)
PACKAGE OUTLINE
0.75 ± 0.05
UH32 Package
G Package
3.45 ± 0.10
(4-SIDES)
0.200 REF
0.00 – 0.05
(0.002 – 0.008)
0.05 – 0.21
(0.068 – 0.078)
1.73 – 1.99
BOTTOM VIEW—EXPOSED PAD
R = 0.115
28
1 2 3 4 5 6 7 8 9 10 11 12
TYP
27
26
25
24
(0.397 – 0.407)
10.07 – 10.33*
23
31
22 21 20 19 18 17 16 15
0.50 BSC
0.23 ± 0.05
32
www.DataSheet4U.com
0.40 ± 0.10
1
2
(UH) QFN 0102
13
LTC3728
14
(0.301 – 0.311)
G28 SSOP 1098
7.65 – 7.90
31
3728fb