参数资料
型号: MAX5929DEEG+
厂商: Maxim Integrated
文件页数: 20/23页
文件大小: 340K
描述: IC HOT SWAP CTLR QUAD 24QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
类型: 热交换控制器
应用: 通用
内部开关:
电源电压: 1 V ~ 15 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SSOP(0.154",3.90mm 宽)
供应商设备封装: 24-QSOP
包装: 管件
With a 22nF gate capacitor, the inrush current, charge,
and discharge times are:
Case B: Fast Turn-On (With Current Limit)
In applications where the board capacitance (C
BOARD
)
is high, the inrush current causes a voltage drop across
R
SENSE
that exceeds the startup fast-comparator
threshold. The fast comparator regulates the voltage
across the sense resistor to V
FC,TH
. This effectively reg-
ulates the inrush current during startup. In this case,
the current charging C
BOARD
can be considered con-
stant and the turn-on time is:
t
C
V
R
V
ON
BOARD
IN
SENSE
FCTH
=
?/DIV>
?/DIV>
           
I
F
pF
nF
A
mA
t
nF
V
nC
A
ms
t
nF
V
nC
mA
ms
nF
V
nC
mA
s
INRUSH
CHARGE
DISCHARGE
DISCHARGE STRONG
=
?/DIV>
+
?/DIV>
+
=
=
?/DIV>
+
?/DIV>
=
=
?/DIV>
+
=
=
?/DIV>
+
=
6
600
22
100
0
26 5
22
10 4
60
100
2 89
22
10 4
60
3
0 096
22
10 4
60
50
5 8
    
    
    
.
        .        
.
        .        
.
        .        
       .
(
)
?/DIV>
?/DIV>
Low-Voltage, Quad, Hot-Swap
Controllers/Power Sequencers
20   _______________________________________________________________________  ________________________________________________  __________________________________  ___________________
INY
GATEY
INZ
GATEZ
Q1
R
SENSEY
SENSEY
R
SENSEZ
SENSEZ
Q2
C
BOARDZ
OUTY
C
BOARDY
OUTZ
V
Y
C
1
R
1
V
EN
V
Z
ON
OFF
GND
ON
GND
V
ONY, TH
V
ONZ, TH
t
DELAY
V
EN
t
1
 = -R
1
C
1
 ln(          )
V
EN
 - V
ONY, TH
V
EN
V
ON
V
Y
V
Z
t
0
t
1
t
2
t
2
 = -R
1
C
1
 ln(          )
V
EN
 - V
ONZ, TH
V
EN
t
DELAY
 = -R
1
C
1
 ln(          )
V
EN
 - V
ONY, TH
V
EN
 - V
ONZ, TH
MAX5927A
MAX5929A
MAX5929B
MAX5929C
MAX5929D
Figure 11. Power Sequencing: Channel Z Turns On t
DELAY
After Channel Y
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MAX5929DEEG+ 功能描述:热插拔功率分布 Quad Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5929DEEG+T 功能描述:热插拔功率分布 Quad Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5929LHEEG 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5929LHEEG+ 功能描述:热插拔功率分布 Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5929LHEEG+T 功能描述:热插拔功率分布 Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube