參數(shù)資料
型號(hào): LTC3569EUDC#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: 2.5 A SWITCHING REGULATOR, 3000 kHz SWITCHING FREQ-MAX, PQCC20
封裝: 3 X 4 MM, LEAD FREE, PLASTIC, QFN-20
文件頁(yè)數(shù): 15/26頁(yè)
文件大?。?/td> 468K
代理商: LTC3569EUDC#TRPBF
LTC3569
22
3569fd
UD Package
20-Lead Plastic QFN (3mm
× 3mm)
(Reference LTC DWG # 05-08-1720 Rev A)
PACKAGE DESCRIPTION
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
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