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參數(shù)資料
| 型號： | LTC3521EFE#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 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 |
| 文件頁數(shù)： | 13/22頁 |
| 文件大?。?/td> | 1476K |
| 代理商： | LTC3521EFE#PBF |
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)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3521EFE-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Wide VIN, 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters |
| LTC3521EUF#PBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 24QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應商設備封裝:10-MSOP 裸露焊盤 |
| LTC3521EUF#TRPBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 24QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應商設備封裝:10-MSOP 裸露焊盤 |
| LTC3521EUF-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Wide VIN, 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters |
| LTC3521EUF-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Wide VIN, 1A Buck-Boost DC/DC and Dual 600mA Buck DC/DC Converters |
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