参数资料
型号: LTC3553EUD#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
封装: 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20
文件页数: 28/36页
文件大小: 518K
代理商: LTC3553EUD#TRPBF
LTC3553
34
3553fa
PACKAGE DESCRIPTION
UD Package
20-Lead Plastic QFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1720 Rev A)
3.00 ± 0.10
(4 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
1.65 ± 0.05
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
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
0.40 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.65 ± 0.10
(4-SIDES)
0.75 ± 0.05
R = 0.115
TYP
R = 0.05
TYP
0.20 ± 0.05
1
PIN 1 NOTCH
R = 0.20 TYP
OR 0.25 × 45°
CHAMFER
19 20
2
0.40 BSC
0.200 REF
2.10 ± 0.05
3.50 ± 0.05
(4 SIDES)
0.70 ±0.05
0.00 – 0.05
(UD20) QFN 0306 REV A
0.20 ±0.05
0.40 BSC
PACKAGE
OUTLINE
相关PDF资料
PDF描述
LTC3553EUD#PBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
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