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相关产品
产品信息
LP3962EP/LP3965EP
1.5A
Fast
Ultra
Low
Dropout
Linear
Regulators
General
Description
The
LP3962EP/LP3965EP
series
of
fast
ultra
low-dropout
linear
regulators
operate
from
a
+2.5V
to
+7.0V
input
supply.
Wide
range
of
preset
output
voltage
options
are
available.
These
ultra
low
dropout
linear
regulators
respond
very
fast
to
step
changes
in
load
which
makes
them
suitable
for
low
voltage
microprocessor
applications.
The
LP3962EP/
LP3965EP
are
developed
on
a
CMOS
process
which
allows
low
quiescent
current
operation
independent
of
output
load
current.
This
CMOS
process
also
allows
the
LP3962EP/
LP3965EP
to
operate
under
extremely
low
dropout
condi-
tions.
Dropout
Voltage:
Ultra
low
dropout
voltage;
typically
38mV
at
150mA
load
current
and
380mV
at
1.5A
load
current.
Ground
Pin
Current:
Typically
5mA
at
1.5A
load
current.
Shutdown
Mode:
Typically
15µA
quiescent
current
when
the
shutdown
pin
is
pulled
low.
Error
Flag:
Error
flag
goes
low
when
the
output
voltage
drops
10%
below
nominal
value
(for
LP3962EP).
SENSE:
Sense
pin
improves
regulation
at
remote
loads.
(For
LP3965EP)
Precision
Output
Voltage:
Multiple
output
voltage
options
are
available
ranging
from
1.2V
to
5.0V
and
adjustable
(LP3965EP),
with
a
guaranteed
accuracy
of
±
1.5%
at
room
temperature,
and
±
3.0%
over
all
conditions
(varying
line,
load,
and
temperature).
ENHANCED
PLASTIC
•
Extended
Temperature
Performance
of
−40˚C
to
+125˚C
•
Baseline
Control
-
Single
Fab
&
Assembly
Site
•
Process
Change
Notification
(PCN)
•
Qualification
&
Reliability
Data
•
Solder
(PbSn)
Lead
Finish
is
standard
•
Enhanced
Diminishing
Manufacturing
Sources
(DMS)
Support
Features
n
Ultra
low
dropout
voltage
n
Low
ground
pin
current
n
Load
regulation
of
0.04%
n
15µA
quiescent
current
in
shutdown
mode
n
Guaranteed
output
current
of
1.5A
DC
n
Available
in
SOT-223,TO-263
and
TO-220
packages
n
Output
voltage
accuracy
±
1.5%