參數(shù)資料
型號(hào)： MAX1533A
廠商： Maxim Integrated Products, Inc.
英文描述： High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers
中文描述： 高效率、5路輸出、主電源控制器，用于筆記本電腦
文件頁數(shù)： 30/38頁
文件大小： 1427K
代理商： MAX1533A
M
High-Efficiency, 5x Output, Main Power-Supply
Controllers for Notebook Computers
30
______________________________________________________________________________________
9a. This configuration constantly monitors the inductor
current, allowing accurate current-limit protection.
Alternatively, high-power applications that do not
require highly accurate current-limit protection may
reduce the overall power dissipation by connecting a
series RC circuit across the inductor (Figure 9b) with an
equivalent time constant:
where R
L
is the inductor’s series DC resistance. In this
configuration, the current-sense resistance equals the
inductor’s DC resistance (R
SENSE
= R
L
). Use the worst-
case inductance and R
L
values provided by the induc-
tor manufacturer, adding some margin for the
inductance drop over temperature and load.
Output Capacitor Selection
The output filter capacitor must have low enough equiv-
alent series resistance (ESR) to meet output ripple and
load-transient requirements, yet have high enough ESR
to satisfy stability requirements. The output capaci-
tance must be high enough to absorb the inductor
L
R
C
R
L
EQ
EQ
×
=
Figure 9. Current-Sense Configurations
MAX1533A
MAX1537A
C
OUT
INPUT (V
IN
)
INDUCTOR
C
IN
b) LOSSLESS INDUCTOR SENSING
CSL_
CSH_
GND
DL_
DH_
LX_
C
EQ
R
EQ
MAX1533A
MAX1537A
C
OUT
INPUT (V
IN
)
C
IN
N
H
N
L
N
H
N
L
L
D
L
D
L
a) OUTPUT SERIES RESISTOR SENSING
GND
DL_
DH_
LX_
CSL_
CSH_
R
SENSE
相關(guān)PDF資料
PDF描述
MAX1533AETJ High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers
MAX1537A High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers
MAX1533 High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers
MAX1533ETJ High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers
MAX1537ETX High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1533AETJ+ 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 PS Controllers for for Notebooks RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1533AETJ+T 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 PS Controllers for for Notebooks RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1533ETJ 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1533ETJ+ 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 PS Controllers for for Notebooks RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1533ETJ+T 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 PS Controllers for for Notebooks RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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