參數(shù)資料
型號(hào): LT3688EUF#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PQCC24
封裝: LEAD FREE, PLASTIC, TSSOP-24
文件頁(yè)數(shù): 20/28頁(yè)
文件大?。?/td> 415K
代理商: LT3688EUF#PBF
LT3688
27
3688f
FE24 (AA) TSSOP 0208 REV
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 8
9 10 11 12
14 13
7.70 – 7.90*
(.303 – .311)
3.25
(.128)
2.74
(.108)
20
21
22
23
24
19 18 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
3.25
(.128)
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
24-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1771 Rev )
Variation AA
PACKAGE DESCRIPTION
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 representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
UF Package
24-Lead Plastic QFN (4mm
× 4mm)
(Reference LTC DWG # 05-08-1697)
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
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