参数资料
型号: LT3742EUF#PBF
厂商: Linear Technology
文件页数: 24/26页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-QFN
标准包装: 91
系列: PolyPhase®
PWM 型: 电流模式
输出数: 2
频率 - 最大: 560kHz
占空比: 100%
电源电压: 4 V ~ 30 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: 24-WFQFN 裸露焊盘
包装: 管件
产品目录页面: 1332 (CN2011-ZH PDF)
LT3742
PACKAGE DESCRIPTION
UF Package
24-Lead Plastic QFN (4mm × 4mm)
(Reference LTC DWG # 05-08-1697)
0.70 ± 0.05
4.50 ± 0.05 2.45 ± 0.05
3.10 ± 0.05 (4 SIDES)
PACKAGE OUTLINE
0.25 ± 0.05
0.50 BSC
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
4.00 ± 0.10
(4 SIDES)
PIN 1
TOP MARK
(NOTE 6)
0 .75 ± 0.0 5
BOTTOM VIEW—EXPOSED PAD
R = 0.115
TYP
23 24
PIN 1 NOTCH
R = 0.20 TYP OR
0.35 × 45 ° CHAMFER
0.40 ± 0.10
1
2
2.45 ± 0.10
(4-SIDES)
(UF24) QFN 0105
0.200 REF
0.00 – 0.05
0.25 ± 0.05
0.50 BSC
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
3742fa
24
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