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參數資料
型號： MAX8563EEE+
廠商： Maxim Integrated
文件頁數： 12/15頁
文件大小： 266K
描述： IC REG CTRLR TRPL POS ADJ 16QSOP
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 100
類型： 正，可調式
輸出數： 3
輸出電壓： 0.5 V ~ 1.8 V，0.5 V ~ 3.3 V
電流 - 電源： 930µA
輸入電壓： 5V，12V
工作溫度： -40°C ~ 85°C
封裝/外殼： 16-SSOP（0.154"，3.90mm 寬）
供應商設備封裝： 16-QSOP
包裝： 管件
For the best transient response in applications with
large step loads (see the Input and Output Capacitor
Selection section for output capacitance requirements),
use the following equations to select the compensation
components:
where C
OUT
is the output capacitance and R
ESR
is the
ESR of C
OUT
.
To use a low-cost ceramic capacitor (see the Input and
Output Capacitor Selection section for load-transient
response characteristics), use the following equations
to select the compensation components:
Example
OUTPUT 1 of Figure 1 is used in this example. Table 1
shows the values required to calculate the compensa-
tion. The values were taken from the appropriate data
sheets and Figure 1.
PC Board Layout Guidelines
Due to the high-current paths and tight output accuracy
required by most applications, careful PC board layout is
required. An evaluation kit (MAX8563EVKIT) is available
to speed design.
It is important to keep all traces as short as possible to
maximize the high-current trace dimensions to reduce the
effect of undesirable parasitic inductance. The MOSFET
dissipates a fair amount of heat due to the high currents
involved, especially during large input-to-output voltage
differences. To dissipate the heat generated by the
MOSFET, make power traces very wide with a large
amount of copper area. An efficient way to achieve good
power dissipation on a surface-mount package is to lay
out copper areas directly under the MOSFET package on
multiple layers and connect the areas through vias. Use a
ground plane to minimize impedance and inductance. In
addition to the usual high-power considerations, here are
four tips to ensure high output accuracy:
"   Ensure that the feedback connection to C
OUT_
is
short and direct.
"   Place the feedback resistors next to the FB pin.
"   Place R
C
and C
C
next to the DRV_ pin.
"   Ensure FB_ and DRV_ traces are away from noisy
sources to ensure tight accuracy.
g
S  x
A
A
S
C
x
V  x
F  x
S  x
S  x
m
S  x
V
A
pF
F  use    F
C MAX
C
(
)
    
   
.
.
.
       .    
.       
       .       
.       
.          .           .
 
   .
,
 
.
 
=
=
=
+
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
+
(
)

=
30
1 5
8 8
12 4
0 16
1 5
100
12 4
12 4
18
1
12 4
1 5
1 5
2500
0 90
1
2
?/DIV>
?/DIV>
?/DIV>
?/DIV>
RR
x
V  x
F  x
S  x
m
F
S  x
V
A
use
C
         
.       
        .       
 
.          .           .
     
.    ,
 
.
=
+
(
)
+
(
)
=
59
1 5
100
12 4
18
1
1    12 4
1 5
1 5
599 4
620
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
C
C
x g
g
x V
I
C
R
x
C
C   x g
C
OUT
C MAX
C MAX
OUT
OUT  MAX
ISS
C
OUT
MAX
    
   
   
   
 
           
 
(
)
(
)
_
 
=
+
(
)
=

15
C
V
C
g
g
R
g
V
I
C
R
V
x C
g
x R
C   x  g
V
I
C
OUT
OUT
C MAX
C MAX
ESR
C MAX
OUT    OUT  MAX
ISS
C
OUT
OUT   C MAX
ESR
C
C MAX
OUT
OUT
    
.
 
 
           
   
   
 
   
   
   
(
)
(
)
(
)
_
(
)
(
)
_
 
=
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
+
(
)
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
?/DIV>
+
(
)
=
?/DIV>
+
(
)
?/DIV>
+

0 16
1
59
1
2
MAX
MAX
(
)
?%, Ultra-Low Output Voltage, Dual and Triple
Linear n-FET Controllers
12   ______________________________________________________________________________________
Table 1. Parameters Required to
Calculate Compensation
PARAMETER   CONDITIONS
VALUE
UNITS
M    FET
V
DS
 = 1V
2500
pF
M    FET   F
IDFS = 8.8A
30
S
V
OUT1
Figure 1
1.5
V
I
OUT_MAX
Figure 1
1.5
A
C
OUT1
Figure 1
100
礔
R
ESR
Figure 1
18
m?/DIV>
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相關代理商/技術參數
參數描述
MAX8563EEE+ 功能描述:低壓差控制器 - LDO Dual & Triple Linear n-FET Controller RoHS:否 制造商:Micrel 最大輸入電壓:5.5 V 輸出電壓:Adjustable 輸出電流:10 mA 負載調節: 輸出類型:Adjustable, Fixed 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-6
MAX8563EEE+T 功能描述:低壓差控制器 - LDO Dual & Triple Linear n-FET Controller RoHS:否 制造商:Micrel 最大輸入電壓:5.5 V 輸出電壓:Adjustable 輸出電流:10 mA 負載調節: 輸出類型:Adjustable, Fixed 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-6
MAX8563EEE-T 功能描述:低壓差控制器 - LDO RoHS:否 制造商:Micrel 最大輸入電壓:5.5 V 輸出電壓:Adjustable 輸出電流:10 mA 負載調節: 輸出類型:Adjustable, Fixed 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-6
MAX8564AEUB 功能描述:低壓差穩壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX8564AEUB+ 功能描述:低壓差控制器 - LDO Dual & Triple Linear n-FET Controller RoHS:否 制造商:Micrel 最大輸入電壓:5.5 V 輸出電壓:Adjustable 輸出電流:10 mA 負載調節: 輸出類型:Adjustable, Fixed 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-6
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