参数资料
型号: LT3957EUHE#PBF
厂商: Linear Technology
文件页数: 27/28页
文件大小: 0K
描述: IC REG MULTI CONFIG ADJ 36VQFN
特色产品: LT?3957/LT?3958 Converters
标准包装: 61
类型: 升压(升压),反相,回扫,Sepic
输出类型: 可调式
输出数: 1
输出电压: 1.6 V ~ 40 V
输入电压: 3 V ~ 40 V
PWM 型: 电流模式
频率 - 开关: 100kHz ~ 1MHz
电流 - 输出: 5A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 36-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 36-QFN-EP(6x5)
LT3957
PACKAGE DESCRIPTION
UHE Package
Variation: UHE28MA
36-Lead Plastic QFN (5mm × 6mm)
(Reference LTC DWG # 05-08-1836 Rev B)
28
27
25
24
23
21
20
0.70 0.05
5.50
0.05
4.10
0.05
1.50 REF
30
31
32
33
34
35
3.00
1.88
0.05
0.05
0.12
0.05
1.53
0.05
3.00 0.05
0.48 0.05
17
16
15
14
PACKAGE OUTLINE
13
12
36
1 2
0.50 BSC
3
4
6
8 9
0.25 0.05
2.00 REF
10
5.10
6.50
0.05
0.05
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
5.00
0.10
0.75
0.05
R = 0.10
TYP
30
31
32
1.50 REF
33 34 35
36
PIN 1 NOTCH
R = 0.30 OR
0.35 45
CHAMFER
6.00
0.10
PIN 1
TOP MARK
(NOTE 6)
28
27
2.00 REF
25
24
23
1.88
0.10
3.00
0.12
0.10
0.10
1
2
3
4
6
21
20
1.53
0.10
3.00
0.48
0.10
0.10
8 R = 0.125
TYP
9
10
0.40
0.10
0.200 REF
0.00 – 0.05
17 16 15
0.25 0.05
0.50 BSC
14 13 12
(UHE28MA) QFN 0409 REV B
BOTTOM VIEW—EXPOSED PAD
NOTE:
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
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 0.20mm 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
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.
3957f
27
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LT3957IUHE#PBF 功能描述:IC REG MULTI CONFIG ADJ 36VQFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压(降压) 输出类型:固定 输出数:1 输出电压:1.2V,1.5V,1.8V,2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘
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LT3957IUHEPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Boost, Flyback, SEPIC and Inverting Converter with 5A, 40V Switch
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