参数资料
型号: LT3741IFE#TRPBF
厂商: Linear Technology
文件页数: 21/24页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 20TSSOP
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 1.07MHz
电源电压: 6 V ~ 36 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)裸露焊盘
包装: 带卷 (TR)

LT3741/LT3741-1
PACKAGE DESCRIPTION
Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings.
UF Package
20-Lead Plastic QFN (4mm × 4mm)
(Reference LTC DWG # 05-08-1710 Rev A)
0.70 ±0.05
4.50 ±0.05
3.10 ±0.05
2.00 REF
2.45 ±0.05
2.45 ±0.05
PACKAGE OUTLINE
0.25 ±0.05
0.50 BSC
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.75 ±0.05
4.00 ±0.10
PIN 1
TOP MARK
(NOTE 6)
4.00 ±0.10
R = 0.05
TYP
2.00 REF
BOTTOM VIEW—EXPOSED PAD
R = 0.115
TYP
19 20
2.45 ±0.10
PIN 1 NOTCH
R = 0.20 TYP
OR 0.35 × 45°
CHAMFER
0.40 ±0.10
1
2
2.45 ±0.10
(UF20) QFN 01-07 REV A
0.200 REF
0.00 – 0.05
0.25 ±0.05
0.50 BSC
NOTE:
1. DRAWING IS PROPOSED TO BE MADE A JEDEC PACKAGE OUTLINE MO-220
VARIATION (WGGD-1)—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
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
37411fe
For more information www.linear.com/LT3741
21
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