参数资料
型号: MAX8745ETJ+T
厂商: Maxim Integrated Products
文件页数: 27/36页
文件大小: 0K
描述: IC CNTRLR PWR SUP QUAD 32TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 控制器,笔记本电脑电源系统
输入电压: 6 V ~ 26 V
输出数: 4
输出电压: 3.3V,5V,1 V ~ 26 V
工作温度: 0°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 带卷 (TR)
High-Efficiency, Quad-Output, Main Power-
Supply Controllers for Notebook Computers
INPUT (V IN )
C IN
MAX8744
MAX8745
DH_
N H
L
SENSE RESISTOR
L ESL R SENSE
C EQ R1 = SENSE
LX_
DL_
N L
D L
R1
C EQ
C OUT
L
R SENSE
PGND
CSH_
CSL_
A) OUTPUT SERIES RESISTOR SENSING
INPUT (V IN )
C IN
( R1 + R2 ) R
MAX8744
MAX8745
DH_
LX_
N H
INDUCTOR
L
R DCR
R CS =
R2
DCR
DL_
N L
D L
R1
R2
C OUT
R DCR =
L
C EQ
[ R1 1 + R2 1 ]
PGND
CSH_
CSL_
B) LOSSLESS INDUCTOR SENSING
Figure 7. Current-Sense Configurations
C EQ
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27
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