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參數(shù)資料
| 型號： | MIC5191 |
| 廠商： | Micrel Semiconductor,Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Ultra High-Speed, High-Current Active Filter/LDO Controller |
| 中文描述： | 超高速，高電流有源濾波器/ LDO控制器 |
| 文件頁數(shù)： | 10/13頁 |
| 文件大?。?/td> | 182K |
| 代理商： | MIC5191 |
MIC51
9
1
M
icrel
A
pril
200
4
10
M
9999-
0
4
2
8
0
4
ource
threshold
specified
in
most
MOSFET
data
sheets
refers
to
the
minimumvoltage
needed
to
fully
enhance
the
MOSFET. A
lthough
for
the
most
part,
the
MOSFET
will
be
operating
in
the
linear
region
and
the
V
GS
(gate-source
voltage)
will
be
less
than
the
fully
enhanced
V
GS
,
it
is
recommended
the
V
CC
voltage
has
2V
over
the
minimum
V
GS
and
output
voltage
. T
his
is
due
to
the
saturation
voltage
of
the
MIC51
9
1
output
driver
.
V
CC1
,
2
≥
2V
+
V
GS
+
V
OUT
F
or
our
example,
with
a
1.5V
output
voltage,
our
MOSFET
is
fully
enhanced
at
4
.5V
GS
,
our
V
CC
voltage
should
be
greater
or
equal
to
8
V.
Input Capacitor
G
ood
input
bypassing
is
important
for
improved
perfor-
mance
.
Low
ESR
and
low
ES
L
input
capacitors
reduce
both
the
drain
of
the
N
-
C
hannel
MOSFET
,
as
well
as
the
source
impedance
to
the
MIC51
9
1.
When
a
load
transient
on
the
output
occurs,
the
load
step
will
also
appear
on
the
input
.
D
eviations
on
the
input
voltage
will
be
reduced
by
the
MIC51
9
1
’s
PSRR
,
but
nonetheless
appear
on
the
output
.
T
here
is
no
minimum
input
capacitance,
but
for
optimal
performance
it
is
recommended
that
the
input
capacitance
be
equal
to
or
greater
than
the
output
capacitance
.
Output Capacitor
T
he
MIC51
9
1
is
stable
with
any
type
or
value
of
output
capacitor
(even
without
any
output
capacitor!)
. T
his
allows
the
output
capacitor
to
select
which
parameters
of
the
regu-
lator
are
important
. I
n
cases
where
transient
response
is
the
most
important,
low
ESR
and
low
ES
L
ceramic
capacitors
are
recommended
. A
lso,
the
more
capacitance
on
the
output,
the
better
the
transient
response
.
Figure 9. Post Regulator
4
5
3
1
2
VIN
EN
/
UV
L
O
CS
H
VOUT
FB
L
SD
560
p
F
8
.06k
BST
COMP
6
H
SD
12
VS
W
11
GND
D1
SD103B
W
S
2.2
μ
F
10V
0.1
μ
F
10
8
VDD
7
U1
MIC2198-BML
9
100
p
F
11.5k
100k
V
OUT
V
OUT
CS
H
J
2
EN
J
1
+
V
IN
V
IN
CS
H
V
OUT
10k
10k
10
10
1
μ
F
25V
330
μ
F
16V
10
μ
F
10
μ
F
10
μ
F
10
μ
F
10
μ
F
22
μ
F
1V
OUT
@10A
D2
1N5
8
1
9HW
IRF7
8
21
IRF7
8
21
L
1
1.
8
μ
H
CDEP13
4-
1R
8
MC
-H
12.
4
k
330
F
T
antalum
OUT
VCC1
VCC2
VIN
FB
ISENSE
COMP
GND
10
n
F
100
10
MIC5191
1
μ
F
V
OUT
12V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC5191BML | Ultra High-Speed, High-Current Active Filter/LDO Controller |
| MIC5191BMM | Ultra High-Speed, High-Current Active Filter/LDO Controller |
| mic5204 | SCSI-II Active Terminator(兼容SCSI-II的有效終端) |
| MIC5204BM | SCSI-II Active Terminator Preliminary Information |
| MIC5204BS | SCSI-II Active Terminator Preliminary Information |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC5191_06 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Ultra High-Speed, High-Current Active Filter / LDO Controller |
| MIC5191_11 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Ultra High-Speed, High-Current Active Filter / LDO Controller |
| MIC5191BML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Ultra High-Speed, High-Current Active Filter/LDO Controller |
| MIC5191BML TR | 功能描述:IC REG CTRLR SGL POS ADJ 10-MLF RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性晶體管驅(qū)動器 系列:- 產(chǎn)品培訓模塊:More Information on LDOs 標準包裝:2,500 系列:- 類型:正，固定式 輸出數(shù):2 輸出電壓:2.8V，3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
| MIC5191BMM | 功能描述:IC REG CTRLR SGL POS ADJ 10MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性晶體管驅(qū)動器 系列:- 產(chǎn)品培訓模塊:More Information on LDOs 標準包裝:2,500 系列:- 類型:正，固定式 輸出數(shù):2 輸出電壓:2.8V，3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
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