參數(shù)資料
型號(hào): LTC3521EFE#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 4.40 MM, LEAD FREE, PLASTIC, TSSOP-20
文件頁(yè)數(shù): 13/22頁(yè)
文件大小: 1476K
代理商: LTC3521EFE#TRPBF
LTC3521
20
3521fa
PACKAGE DESCRIPTION
FE20 (CB) TSSOP 0204
0.09 – 0.20
(.0035 – .0079)
0
° – 8°
0.25
REF
RECOMMENDED SOLDER PAD LAYOUT
0.50 – 0.75
(.020 – .030)
4.30 – 4.50*
(.169 – .177)
13 4 5 6 7 89 10
11
12
14 13
6.40 – 6.60*
(.252 – .260)
3.86
(.152)
2.74
(.108)
20 1918 17 16 15
1.20
(.047)
MAX
0.05 – 0.15
(.002 – .006)
0.65
(.0256)
BSC
0.195 – 0.30
(.0077 – .0118)
TYP
2
2.74
(.108)
0.45
±0.05
0.65 BSC
4.50
±0.10
6.60
±0.10
1.05
±0.10
3.86
(.152)
MILLIMETERS
(INCHES)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
SEE NOTE 4
4. RECOMMENDED MINIMUM PCB METAL SIZE
FOR EXPOSED PAD ATTACHMENT
6.40
(.252)
BSC
FE Package
20-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663)
Exposed Pad Variation CB
4.00
± 0.10
(4 SIDES)
NOTE:
1. DRAWING PROPOSED TO BE MADE A JEDEC PACKAGE OUTLINE MO-220 VARIATION (WGGD-X)—TO BE APPROVED
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, IF PRESENT
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
24
23
1
2
BOTTOM VIEW—EXPOSED PAD
2.45
± 0.10
(4-SIDES)
0.75
± 0.05
R = 0.115
TYP
0.25
± 0.05
0.50 BSC
0.200 REF
0.00 – 0.05
(UF24) QFN 0105
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
0.70
±0.05
0.25
±0.05
0.50 BSC
2.45
± 0.05
(4 SIDES)
3.10
± 0.05
4.50
± 0.05
PACKAGE
OUTLINE
PIN 1 NOTCH
R = 0.20 TYP OR
0.35
× 45° CHAMFER
UF Package
24-Lead Plastic QFN (4mm × 4mm)
(Reference LTC DWG # 05-08-1697)
相關(guān)PDF資料
PDF描述
LTC3521EUF#TRPBF SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PQCC24
LTC3521IFE#PBF SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO20
LTC3521EFE#PBF SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO20
LTC3521IUF#PBF SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PQCC24
LTC3525DESC6-3.3#PBF 0.45 A SWITCHING REGULATOR, PDSO6
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